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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
$23.59
End Date: Sunday Jan-4-2015 10:59:29 PST
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Sram Red GXP Ceramic Bottom Bracket English
Sram Red GXP Ceramic Bottom Bracket English
$61.00 (46 Bids)
End Date: Wednesday Dec-17-2014 19:02:55 PST
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EighthInch 68x110mm JIS Square Taper Fixed Gear Single Speed Bottom Bracket
EighthInch 68x110mm JIS Square Taper Fixed Gear Single Speed Bottom Bracket
$9.50
End Date: Sunday Dec-28-2014 22:12:41 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: Friday Jan-16-2015 9:34:04 PST
Buy It Now for only: $9.50
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Shimano Dura Ace BB 7700 Road Bike Bottom Bracket 68x1095mm English Octalink V1
Shimano Dura Ace BB 7700 Road Bike Bottom Bracket 68x1095mm English Octalink V1
$67.67 (8 Bids)
End Date: Wednesday Dec-17-2014 19:03:20 PST
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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
$29.55
End Date: Friday Jan-9-2015 9:43:55 PST
Buy It Now for only: $29.55
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VP Track Fixie Road Bike Bottom Bracket BB 68x103mm
VP Track Fixie Road Bike Bottom Bracket BB 68x103mm
$12.00
End Date: Wednesday Dec-31-2014 12:17:59 PST
Buy It Now for only: $12.00
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Shimano UN 55 Square Taper Bottom Bracket 73x113mm
Shimano UN 55 Square Taper Bottom Bracket 73x113mm
$19.99
End Date: Thursday Dec-18-2014 12:10:25 PST
Buy It Now for only: $19.99
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Shimano Dura Ace SM BB7900 Road Bike Bottom Bracket 68mm English HollowTech II
Shimano Dura Ace SM BB7900 Road Bike Bottom Bracket 68mm English HollowTech II
$20.50 (2 Bids)
End Date: Wednesday Dec-17-2014 19:17:11 PST
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SHIMANO DEORE SM BB51 EXTERNAL BEARING SILVER BICYCLE BOTTOM BRACKET
SHIMANO DEORE SM BB51 EXTERNAL BEARING SILVER BICYCLE BOTTOM BRACKET
$17.34
End Date: Thursday Dec-25-2014 9:46:04 PST
Buy It Now for only: $17.34
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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: Thursday Jan-1-2015 15:35:56 PST
Buy It Now for only: $24.97
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Phil Wood 113mm JIS Square Taper Sealed Bottom Bracket
Phil Wood 113mm JIS Square Taper Sealed Bottom Bracket
$25.00
End Date: Thursday Dec-18-2014 7:09:55 PST
Buy It Now for only: $36.50
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TruVativ SRAM Power Spline Bottom Bracket 68E 73 x 113mm English
TruVativ SRAM Power Spline Bottom Bracket 68E 73 x 113mm English
$21.45
End Date: Friday Jan-16-2015 10:36:36 PST
Buy It Now for only: $21.45
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BMX or Cruiser American Bottom Bracket JIS Square Taper Spindle Conversion Kit
BMX or Cruiser American Bottom Bracket JIS Square Taper Spindle Conversion Kit
$19.99
End Date: Wednesday Jan-7-2015 14:21:15 PST
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SHIMANO BC 137 x 24 Sealed Cartridge Bike Cycling Bottom Bracket BB UN26
SHIMANO BC 137 x 24 Sealed Cartridge Bike Cycling Bottom Bracket BB UN26
$14.95
End Date: Friday Jan-16-2015 14:23:39 PST
Buy It Now for only: $14.95
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Shimano Ultegra 6800 Road Bike English Bottom Bracket
Shimano Ultegra 6800 Road Bike English Bottom Bracket
$12.00 (1 Bid)
End Date: Thursday Dec-18-2014 12:28:37 PST
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Niner Bio Centric I Bottom Bracket
Niner Bio Centric I Bottom Bracket
$10.00
End Date: Monday Jan-5-2015 5:52:02 PST
Buy It Now for only: $10.00
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Shimano Dura Ace SM BB9000 Bottom Bracket 68 mm New in Box
Shimano Dura Ace SM BB9000 Bottom Bracket 68 mm New in Box
$30.00
End Date: Friday Dec-26-2014 12:41:13 PST
Buy It Now for only: $30.00
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Chris king bottom bracket Shimano MTB
Chris king bottom bracket Shimano MTB
$75.00
End Date: Thursday Dec-18-2014 12:57:55 PST
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Ceramic Bottom Bracket BB 68mm Road Sealed Bearing Sram Red
Ceramic Bottom Bracket BB 68mm Road Sealed Bearing Sram Red
$27.88
End Date: Friday Dec-19-2014 15:56:17 PST
Buy It Now for only: $27.88
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2x Shimano BB UN54 Square Taper Bottom Bracket 68 BC137 24
2x Shimano BB UN54 Square Taper Bottom Bracket 68 BC137 24
$11.00
End Date: Friday Dec-26-2014 7:52:35 PST
Buy It Now for only: $11.00
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Shimano BB UN55 68x110mm Square Taper Bottom Bracket
Shimano BB UN55 68x110mm Square Taper Bottom Bracket
$22.95
End Date: Wednesday Dec-24-2014 16:32:29 PST
Buy It Now for only: $22.95
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Race Face Cinch Bottom Bracket PF30 30mm
Race Face Cinch Bottom Bracket PF30 30mm
$32.00
End Date: Thursday Dec-18-2014 15:03:10 PST
Buy It Now for only: $42.00
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SHIMANO UN55 68 X 113MM SEALED BEARING JIS SQUARE TAPER BICYCLE BOTTOM BRACKET
SHIMANO UN55 68 X 113MM SEALED BEARING JIS SQUARE TAPER BICYCLE BOTTOM BRACKET
$23.54
End Date: Friday Jan-16-2015 12:25:23 PST
Buy It Now for only: $23.54
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