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Bottom Bracket

The bottom bracket fits inside your bike frame and provides a smooth running system for your chainset, there are different typres of bottom brackst from open to sealed units, the newer closed seal units offer an easy to install solution, but for the puritans and old fashioned open bottom brackets feature bearings and user serviceable parts, whereas closed bottom brackets are throwaway items once they are worn.

Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 113mm English BSA Sealed
Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 113mm English BSA Sealed
$21.99
End Date: Tuesday Feb-3-2015 10:59:29 PST
Buy It Now for only: $21.99
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Vintage Campagnolo Bottom Bracket Italian Thread Mint
Vintage Campagnolo Bottom Bracket Italian Thread Mint
$61.00 (3 Bids)
End Date: Wednesday Jan-28-2015 12:17:24 PST
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Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 122mm English BSA Sealed
Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 122mm English BSA Sealed
$21.99
End Date: Wednesday Feb-25-2015 15:20:24 PST
Buy It Now for only: $21.99
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Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 110mm English BSA Sealed
Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 110mm English BSA Sealed
$21.99
End Date: Monday Feb-2-2015 20:27:13 PST
Buy It Now for only: $21.99
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Campagnolo C Record Bottom Bracket 111mm Italian Thread 36x24
Campagnolo C Record Bottom Bracket 111mm Italian Thread 36x24
$50.00
End Date: Wednesday Jan-28-2015 12:30:59 PST
Buy It Now for only: $115.00
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Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 107mm English BSA Sealed
Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 107mm English BSA Sealed
$21.99
End Date: Wednesday Feb-18-2015 14:14:17 PST
Buy It Now for only: $21.99
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Shimano BB UN52 Bottom Bracket Square Taper JIS 68mm x 123mm
Shimano BB UN52 Bottom Bracket Square Taper JIS 68mm x 123mm
$16.00
End Date: Friday Feb-27-2015 9:43:29 PST
Buy It Now for only: $16.00
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EighthInch 68x107mm JIS Square Taper Fixed Gear Single Speed Bottom Bracket
EighthInch 68x107mm JIS Square Taper Fixed Gear Single Speed Bottom Bracket
$9.50
End Date: Tuesday Feb-24-2015 6:49:13 PST
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Campagnolo Nuovo Record Road Bike Bottom Bracket 68mm English Threaded
Campagnolo Nuovo Record Road Bike Bottom Bracket 68mm English Threaded
$39.99
End Date: Wednesday Jan-28-2015 17:15:14 PST
Buy It Now for only: $69.99
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Mongoose Stamped Bottom Bracket
Mongoose Stamped Bottom Bracket
$25.00
End Date: Thursday Feb-26-2015 17:38:31 PST
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Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 127mm English BSA Sealed
Shimano BB UN55 Bottom Bracket JIS Square Taper 68 x 127mm English BSA Sealed
$21.99
End Date: Wednesday Feb-25-2015 15:20:29 PST
Buy It Now for only: $21.99
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Campagnolo Nuovo Record Road Bike Bottom Bracket 68mm English Threaded 68 SS
Campagnolo Nuovo Record Road Bike Bottom Bracket 68mm English Threaded 68 SS
$39.99
End Date: Wednesday Jan-28-2015 17:22:07 PST
Buy It Now for only: $69.99
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Shimano ULTEGRA Bottom Bracket SM BBR60B 68mm ENGLISH
Shimano ULTEGRA Bottom Bracket SM BBR60B 68mm ENGLISH
$16.99
End Date: Thursday Feb-26-2015 12:23:33 PST
Buy It Now for only: $16.99
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SRAM Truvativ Team GXP Bottom Bracket English 68 73mm Road MTB ATB FIXIE New
SRAM Truvativ Team GXP Bottom Bracket English 68 73mm Road MTB ATB FIXIE New
$29.45
End Date: Sunday Feb-8-2015 8:47:21 PST
Buy It Now for only: $29.45
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Shimano BB UN26 68x110mm Square Taper Bottom Bracket
Shimano BB UN26 68x110mm Square Taper Bottom Bracket
$13.45
End Date: Sunday Feb-22-2015 18:22:29 PST
Buy It Now for only: $13.45
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Brand New Sram Truvativ GXP Team Bottom Bracket 68 73
Brand New Sram Truvativ GXP Team Bottom Bracket 68 73
$23.00 (3 Bids)
End Date: Wednesday Jan-28-2015 17:25:20 PST
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VP 73 x 118mm Square Taper Sealed Bearings Bottom Bracket
VP 73 x 118mm Square Taper Sealed Bearings Bottom Bracket
$9.50
End Date: Sunday Feb-15-2015 9:34:04 PST
Buy It Now for only: $9.50
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NEW Samox MTB Bottom Bracket 24mm Hollowtech II Shimano FSA
NEW Samox MTB Bottom Bracket 24mm Hollowtech II Shimano FSA
$9.99
End Date: Tuesday Feb-17-2015 18:19:16 PST
Buy It Now for only: $9.99
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FSA BB30 to 24mm MegaExo 68mm Bottom Bracket Crankset Adapter BB ALMM3 68 NEW
FSA BB30 to 24mm MegaExo 68mm Bottom Bracket Crankset Adapter BB ALMM3 68 NEW
$1.85 (2 Bids)
End Date: Wednesday Jan-28-2015 18:13:39 PST
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SHIMANO SM BB6700 ULTEGRA Road Bike Bottom Bracket Cup Set BC 137 X 24 NEW
SHIMANO SM BB6700 ULTEGRA Road Bike Bottom Bracket Cup Set BC 137 X 24 NEW
$24.97
End Date: Saturday Jan-31-2015 15:45:17 PST
Buy It Now for only: $24.97
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SUGINO MW 68 Bottom Bracket Spindle square taper 113mm
SUGINO MW 68 Bottom Bracket Spindle square taper 113mm
$20.00
End Date: Wednesday Feb-4-2015 8:38:37 PST
Buy It Now for only: $20.00
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SHIMANO UN26 68MM 1225MM SEALED BEARING BICYCLE BOTTOM BRACKET
SHIMANO UN26 68MM 1225MM SEALED BEARING BICYCLE BOTTOM BRACKET
$13.95
End Date: Saturday Feb-21-2015 8:20:41 PST
Buy It Now for only: $13.95
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New Shimano Ultegra Road Bottom Bracket BB 6500 68mmx1095mm BC137x24 Sealed
New Shimano Ultegra Road Bottom Bracket BB 6500 68mmx1095mm BC137x24 Sealed
$16.00 (11 Bids)
End Date: Wednesday Jan-28-2015 18:38:43 PST
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Odyssey Dynatron BMX Bottom Bracket for One Piece Crank Unused
Odyssey Dynatron BMX Bottom Bracket for One Piece Crank Unused
$18.95
End Date: Friday Feb-27-2015 8:06:08 PST
Buy It Now for only: $18.95
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