Bracket assembly, especially for use as a magnetic device in a monitoring device

Abstract

A magnetic device mounts on a flat spoke of a wheel. This magnetic device can comprise a magnet and a housing. The housing is coupled to the magnet, and has a spoke-receiving recess with a non-circular cross section, and at least one detent. The detent extends from the housing into the spoke-receiving recess to secure a flat spoke within the spoke-receiving recess via a snap-fit. The magnetic device communicates with a sensing device, which is adapted to be coupled to a portion of the bicycle that is adjacent to a wheel of the bicycle. A display unit, adapted to be mounted on handlebars of the bicycle, displays the speed information obtained from the sensing device. In a second embodiment, the housing is made of a more elastic material, and the detents become optional. In a third embodiment, the spoke-receiving recess of the housing has a projection that engages a concavity form in the connecting portion of the spoke. In a fourth embodiment, the spoke-receiving recess of the housing has a concavity that engages a projection form on the connecting portion of the spoke.

1. A bracket assembly for mounting on a single spoke having at least one flat portion, comprising:
 a housing having a flat spoke-receiving recess with non-circular cross section, a body portion with a magnet receiving cavity contiguous with the flat spoke- receiving recess,  and at least one detect extending from said housing into said flat spoke-receiving recess to non-rotatably secure the at least one flat portion of the single spoke within said spoke-receiving recess via a snap-fit.  
 
     
     
       2. A bracket assembly according to  claim 1 , wherein
 said housing includes a body portion with a cavity adapted to receive a magnet within said cavity.    
     
     
       3. A bracket assembly according to  claim 1 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       4. A bracket assembly according to  claim 3 , wherein
 said housing further includes third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       5. A bracket assembly according to claim  2    1 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       6. A bracket assembly according to  claim 5 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       7. A bracket assembly according to  claim 6 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       8. A bracket assembly according to  claim 6 , wherein
 each of said retaining portions has a pair of side walls extending from a bottom wall to form said spoke-receiving recess.  
 
     
     
       9. A bracket assembly according to  claim 8 , wherein
 each of said bottom walls has an aperture.  
 
     
     
       10. A bracket assembly according to  claim 1 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       11. A bracket assembly according to  claim 1 , wherein  for mounting on a single spoke having at least one flat portion, comprising:
   a housing having a flat spoke - receiving recess with non - circular cross section and at least one detent extending from said housing into said flat spoke - receiving recess to non - rotatably secure the at least one flat portion of the single spoke within said spoke - receiving recess via a snap - fit,   
 said housing is  being constructed of magnetic material.  
 
     
     
       12. A bracket assembly according to  claim 1 , wherein
 said spoke-receiving recess has a pair of side walls extending from a bottom wall to form an opening to receive the at least one flat portion of the spoke therein.  
 
     
     
       13. A bracket assembly according to  claim 12 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       14. A bracket assembly according to  claim 13 , wherein
 said at least one detent has a retaining surface that is opposed to said bottom wall and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       15. A bracket assembly according to  claim 12 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       16. A magnetic device for mounting on a single spoke having at least one flat portion, comprising:
 a housing having a spoke-receiving recess with non-circular cross section and at least one detent extending from said housing into said spoke-receiving recess to non-rotatably secure the at least one flat portion of the single spoke within said spoke-receiving recess via a snap-fit; and  
 a magnetic material fixedly coupled to said housing.  
 
     
     
       17. A magnetic device according to  claim 16 , wherein
 said housing includes a body portion with a cavity, and said magnetic material is a magnet that is fixedly secured within said cavity.  
 
     
     
       18. A magnetic device according to  claim 16 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       19. A magnetic device according to  claim 18 , wherein
 said housing further includes third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       20. A magnetic device according to  claim 17 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       21. A magnetic device according to  claim 20 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       22. A magnetic device according to  claim 21 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       23. A magnetic device according to  claim 21 , wherein
 each of said retaining portions has a bottom wall and a pair of side walls extending from said bottom wall to form said spoke-receiving recess.  
 
     
     
       24. A magnetic device according to  claim 23 , wherein
 each of said bottom walls has an aperture.  
 
     
     
       25. A magnetic device according to  claim 16 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       26. A magnetic device according to  claim 16 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       27. A magnetic device according to  claim 16 , wherein
 said spoke-receiving recess is formed by a pair of side walls extending from a bottom wall to form an opening between said side walls to insert the spoke into said spoke-receiving recess.  
 
     
     
       28. A magnetic device according to  claim 27 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       29. A magnetic device according to  claim 28 , wherein
 said at least one detent has an retaining surface that is opposed to said bottom wall and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       30. A magnetic device according to  claim 27 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       31. A monitoring device for a bicycle, comprising:
 a sensing device; adapted to be coupled to a portion of the bicycle that is adjacent a wheel of the bicycle;  
 a display unit adapted to be mounted on handlebars of the bicycle; and  
 a magnetic device adapted to be mounted on a single spoke of a spoked wheel, the single spoke having a flat portion, said magnetic device including a housing and magnetic material fixedly coupled to said housing,  
 said housing having a spoke-receiving recess with non-circular cross section and at least one detent extending from said housing into said spoke-receiving recess to non-rotatably secure the at least one flat portion of the single spoke within said spoke-receiving recess via a snap-fit.  
 
     
     
       32. A monitoring device according to  claim 31 , wherein
 said housing includes a body portion with a cavity, and said magnetic material is a magnet that is fixedly secured within said cavity.  
 
     
     
       33. A monitoring device according to  claim 31 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       34. A monitoring device according to  claim 32 , wherein
 said housing further includes third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       35. A monitoring device according to  claim 32 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       36. A monitoring device according to  claim 35 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       37. A monitoring device according to  claim 36 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       38. A monitoring device according to  claim 36 , wherein
 each of said retaining portions has a pair of side walls extending from a bottom wall to form said spoke-receiving recess.  
 
     
     
       39. A monitoring device according to  claim 38 , wherein
 each of said bottom walls has an aperture.  
 
     
     
       40. A monitoring device according to  claim 31 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       41. A monitoring device according to  claim 31 , wherein
 said housing is constructed of said magnetic material.  
 
     
     
       42. A monitoring device according to  claim 31 , wherein
 said spoke-receiving recess has a pair of side walls extending from a bottom wall to form an opening to receive the at least one flat portion of the spoke therein.  
 
     
     
       43. A monitoring device according to  claim 42 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       44. A monitoring device according to  claim 43 , wherein
 said at least one detent has a retaining surface that is opposed to said bottom wall and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       45. A monitoring device according to  claim 42 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       46. A bracket assembly for mounting on a single spoke having at least one flat portion, comprising:
 a housing having a spoke-receiving recess with a pair of opposed side walls spaced apart by a first predetermined distance and defining a non-circular cross section to non-rotatably receive the at least one flat portion of the single spoke therebetween, said side walls being constructed of an elastic material to elastically retain the at least one flat portion of the single spoke therebetween, said first predetermined distance being slightly smaller than a predetermined width of the at least one flat portion of the single spoke to elastically deform said side walls.  
 
     
     
       47. A bracket assembly according to  claim 46 , wherein
 said housing further includes a body portion with a cavity adapted to receive a magnet within said cavity.  
 
     
     
       48. A bracket assembly according to  claim 46 , wherein
 one of said side walls of said housing further includes a first detent extending into said spoke-receiving recess.  
 
     
     
       49. A bracket assembly according to  claim 48 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       50. A bracket assembly according to  claim 49 , wherein
 said housing further including third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       51. A bracket assembly according to  claim 46 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       52. A bracket assembly according to  claim 51 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       53. A bracket assembly according to  claim 52 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       54. A bracket assembly according to  claim 52 , wherein
 each of said retaining portions has a bottom wall located between said side walls, each of said bottom walls having an aperture.  
 
     
     
       55. A bracket assembly according to  claim 46 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       56. A bracket assembly according to  claim 46 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       57. A bracket assembly according to  claim 48 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       58. A bracket assembly according to  claim 57 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       59. A bracket assembly according to  claim 48 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       60. A magnetic device for mounting on a single spoke having at least one flat portion, comprising:
 a housing having a spoke-receiving recess with a pair of opposed side walls spaced apart by a first predetermined distance and defining a non-circular cross section to non-rotatably receive the at least one flat portion of the single spoke therebetween, said side walls being constructed of an elastic material to elastically retain the at least one flat portion of the single spoke therebetween, said first predetermined distance being slightly smaller than a predetermined width of the at least one flat portion of the single spoke to elastically deform said side walls; and  
 a magnetic material fixedly coupled to said housing.  
 
     
     
       61. A magnetic device according to  claim 60 , wherein
 said housing further includes a body portion with a cavity adapted to receive a magnet within said cavity.  
 
     
     
       62. A magnetic device according to  claim 60 , wherein
 one of said side walls of said housing further includes a first detent extending into said spoke-receiving recess.  
 
     
     
       63. A magnetic device according to  claim 62 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       64. A magnetic device according to  claim 63 , wherein
 said housing further including third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       65. A magnetic device according to  claim 60 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       66. A magnetic device according to  claim 65 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       67. A magnetic device according to  claim 66 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       68. A magnetic device according to  claim 66 , wherein
 each of said retaining portions has a bottom wall located between said side walls, each of said bottom walls having an aperture.  
 
     
     
       69. A magnetic device according to  claim 60 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       70. A magnetic device according to  claim 60 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       71. A magnetic device according to  claim 62 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       72. A magnetic device according to  claim 71 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       73. A magnetic device according to  claim 60 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       74. A monitoring device for a bicycle, comprising:
 a sensing device; adapted to be coupled to a portion of the bicycle that is adjacent a wheel of the bicycle;  
 a display unit adapted to be mounted on handlebars of the bicycle; and  
 a magnetic device adapted to be mounted on a single spoke of a spoked wheel, the single spoke having at least one flat portion, said magnetic device including a housing and magnetic material fixedly coupled to said housing,  
 said housing having a spoke-receiving recess with a pair of opposed side walls spaced apart by a first predetermined distance and defining a non-circular cross section to non-rotatably receive the at least one flat portion of the single spoke therebetween, said side walls being constructed of an elastic material to elastically retain the at least one flat portion of the single spoke therebetween, said first predetermined distance being slightly smaller than a predetermined width of the at least one flat portion of the single spoke to elastically deform said side walls.  
 
     
     
       75. A magnetic  monitoring device according to  claim 74 , wherein
 said housing further includes a body portion with a cavity adapted to receive a magnet within said cavity.  
 
     
     
       76. A monitoring device according to  claim 74 , wherein
 one of said side walls of said housing further includes a first detent extending into said spoke-receiving recess.  
 
     
     
       77. A monitoring device according to  claim 76 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       78. A monitoring device according to  claim 77 , wherein
 said housing further including third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       79. A monitoring device according to  claim 74 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       80. A monitoring device according to  claim 79 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       81. A monitoring device according to  claim 80 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       82. A monitoring device according to  claim 80 , wherein
 each of said retaining portions has a bottom wall located between said side walls, each of said bottom walls having an aperture.  
 
     
     
       83. A monitoring device according to  claim 74 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       84. A monitoring device according to  claim 74 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       85. A monitoring device according to  claim 76 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       86. A monitoring device according to  claim 85 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       87. A monitoring device according to  claim 74 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       88. A bracket assembly for mounting on a spoke with a concavity, comprising:
 a housing having a spoke-receiving recess with a pair of opposed side walls spaced apart by a first predetermined distance to retain the spoke therebetween, and a projection extending from said spoke-receiving recess to engage the concavity of the spoke within said spoke-receiving recess.  
 
     
     
       89. A bracket assembly according to  claim 88 , wherein
 said housing further includes a body portion with a cavity adapted to receive a magnet within said cavity.  
 
     
     
       90. A bracket assembly according to  claim 88 , wherein
 one of said side walls of said housing further includes a first detent extending into said spoke-receiving recess.  
 
     
     
       91. A bracket assembly according to  claim 90 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       92. A bracket assembly according to  claim 91 , wherein
 said housing further including third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       93. A bracket assembly according to  claim 88 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       94. A bracket assembly according to  claim 93 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       95. A bracket assembly according to  claim 94 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       96. A bracket assembly according to  claim 94 , wherein
 each of said retaining portions has a bottom wall located between said side walls, each of said bottom walls having an aperture.  
 
     
     
       97. A bracket assembly according to  claim 88 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       98. A bracket assembly according to  claim 88 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       99. A bracket assembly according to  claim 90 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       100. A bracket assembly according to  claim 99 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       101. A bracket assembly according to  claim 90 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       102. A bracket assembly according to  claim 90 , wherein
 said projection is located on a bottom wall between said side walls.  
 
     
     
       103. A magnetic device for mounting on a spoke with a concavity, comprising:
 a housing having a spoke-receiving recess with a pair of opposed side walls spaced apart by a first predetermined distance to retain the spoke therebetween, and a projection extending from said spoke-receiving recess to engage the concavity of the spoke within said spoke-receiving recess; and  
 a magnetic material fixedly coupled to said housing.  
 
     
     
       104. A magnetic device according to  claim 103 , wherein
 said housing further includes a body portion with a cavity adapted to receive a magnet within said cavity.  
 
     
     
       105. A magnetic device according to  claim 103 , wherein
 one of said side walls of said housing further includes a first detent extending into said spoke-receiving recess.  
 
     
     
       106. A magnetic device according to  claim 105 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       107. A magnetic device according to  claim 106 , wherein
 said housing further including third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       108. A magnetic device according to  claim 103 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       109. A magnetic device according to  claim 108 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       110. A magnetic device according to  claim 109 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       111. A magnetic device according to  claim 109 , wherein
 each of said retaining portions has a bottom wall located between said side walls, each of said bottom walls having an aperture.  
 
     
     
       112. A magnetic device according to  claim 103 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       113. A magnetic device according to  claim 103 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       114. A magnetic device according to  claim 105 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       115. A magnetic device according to  claim 105 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       116. A magnetic device according to  claim 105 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       117. A magnetic device according to  claim 103 , wherein
 said projection is located on a bottom wall between said side walls.  
 
     
     
       118. A monitoring device for a bicycle, comprising:
 a sensing device; adapted to be coupled to a portion of the bicycle that is adjacent a wheel of the bicycle;  
 a display unit adapted to be mounted on handlebars of the bicycle; and  
 a magnetic device adapted to be mounted on a spoke with a concavity of a spoked wheel, said magnetic device including a housing and magnetic material fixedly coupled to said housing,  
 said housing having a spoke-receiving recess with a pair of opposed side walls spaced apart by a first predetermined distance to retain the spoke therebetween, and a projection extending from said spoke-receiving recess to engage the concavity of the spoke within said spoke-receiving recess.  
 
     
     
       119. A magnetic device according to  claim 118 , wherein
 said housing further includes a body portion with a cavity adapted to receive a magnet within said cavity.  
 
     
     
       120. A monitoring device according to  claim 118 , wherein
 one of said side walls of said housing further includes a first detent extending into said spoke-receiving recess.  
 
     
     
       121. A monitoring device according to  claim 120 , wherein
 said housing further includes a second detent that is longitudinally spaced from said one detent along said spoke-receiving recess.  
 
     
     
       122. A monitoring device according to  claim 121 , wherein
 said housing further including third and fourth detents with said third detent being located opposite said one detent and said fourth detent being located opposite second detent.  
 
     
     
       123. A monitoring device according to  claim 118 , wherein
 said housing includes a first retaining portion extending from said body portion, said first retaining portion forms at least part of said spoke-receiving recess.  
 
     
     
       124. A monitoring device according to  claim 123 , wherein
 said housing includes a second retaining portion extending from said body portion, said second retaining portion being aligned with said first retaining portion to form at least part of said spoke-receiving recess.  
 
     
     
       125. A monitoring device according to  claim 124 , wherein
 said spoke-receiving recess has a length of approximately ten millimeters to approximately thirty millimeters.  
 
     
     
       126. A monitoring device according to  claim 124 , wherein
 each of said retaining portions has a bottom wall located between said side walls, each of said bottom walls having an aperture.  
 
     
     
       127. A monitoring device according to  claim 118 , wherein
 said housing is integrally formed as a one-piece, unitary member.  
 
     
     
       128. A monitoring device according to  claim 118 , wherein
 said housing is constructed of magnetic material.  
 
     
     
       129. A monitoring device according to  claim 120 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, said side walls being spaced apart by a first predetermined distance at said at least one detent, and portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a second predetermined distance, said first predetermined distance being smaller than said second predetermined distance.  
 
     
     
       130. A monitoring device according to  claim 129 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls and spaced from said bottom wall by a third predetermined distance, said third predetermined distance being smaller than said second predetermined distance.  
 
     
     
       131. A monitoring device according to  claim 120 , wherein
 said at least one detent has a retaining surface that is opposed to a bottom wall located between said side walls, portions of said side walls located between said bottom wall and said retaining surface being spaced apart by a first predetermined distance, said retaining surface being spaced from said bottom wall by a second predetermined distance, said first predetermined distance being greater than said second predetermined distance.  
 
     
     
       132. A monitoring device according to  claim 118 , wherein
 said projection is located on a bottom wall between said side walls.