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Bottom Brackets

$15.99 - $29.99
- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested
$23.99 - $29.99
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles. - Fits JIS Square-Taper Cranksets - Hollow spindle - Crankarm fixing bolts not included
$24.99
- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested
$30.00
A tough bottom bracket that will go as hard as you. The PowerSpline has a heat-treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders. SPECIFICATIONS: - BB-FRAME INTERFACE: English/BSA 68E/73mm, English/BSA 68mm, English/BSA 73mm - CHAINLINE: 46.0mm, 48.5mm, 51.0mm, n/a - SPINDLE LENGTH: 108mm Spindle, 113mm Spindle, 118mm Spindle - SUPPORT E-TYPE FD: n/a, Yes - CRANK-BB INTERFACE: Power Spline - BEARING TYPE: n/a - SPINDLE DIAMETER: n/a - CUP MATERIAL: n/a - WEIGHT (G): 363 - WEIGHT BASED ON: BSA 73mm, 113mm spindle
$33.95 - $59.99
Campagnolo ProTech bottom brackets feature a patented external sealing ring design that protects a strong, resilient fiberglass-charged polyamide central tube from the harmful ingress of water, mud and grit. - Designed specifically for gravel riding and racing to protect against water, mud & grit
$40.00
Campagnolo's Record Bottom Bracket Cups are perfect for your Campy Ultra-Torque crankset (sold separately). They are constructed from anodized aluminum for light weight and excellent durability. They are available in English and Italian thread. • Italian: 70mm • English: 68mm
$42.00
Genuine replacement parts Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. Proprietary replacement bottom bracket for the Trek family of bikes. - Only compatible with 24mm cranks - Not compatible with BB30 cranks
$44.99
Genuine replacement parts Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. Proprietary replacement bottom bracket for the Trek family of bikes. - Only compatible with 24mm cranks - Not compatible with BB30 cranks
$46.00
SRAM's GXP Team PressFit MTB Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.
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