Bottom Brackets
$33.95 - $37.60
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
$35.00
- Adapters press directly into specific PF30, BB30, BB86 or BBright frames and allow the use of standard Ultra-Torque (UT) crank sets and EPS components
- Updated design increases surface area contact with the frame's bottom bracket, reducing the possibility of noise from frames with slight imperfections
- Ultra-Torque OS Fit BB-cup tool is required for adapter installation
$22.99 - $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
$29.99
- Steel body
- Chromoly spindle
- Sealed bearings
- Repair BB designed to work in frames that have stripped BB threads
- Shell: 68mm
- Spindle Type: Square Taper JIS
- Weight: 360-370 grams
$18.00 - $28.00
FSA PowerPro JIS Cartridge Bottom Brackets.
- Includes bolts
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB/Frame Interface: English
$26.00
TruVativ Power Spline Bottom Bracket fits proprietary powerspline design popular as OE spec with many moderate-price TruVativ cranks.
• Proprietary spline design popular as OE spec with many moderate-price TruVativ cranks
• Crank bolts are included
$24.99
Simple and easy to install. Includes an assortment of spacers to optimize chainline and crank clearance and an Odyssey 6061-T6 aluminum dust spacer.
- For press-fit MID bottom bracket frames
$24.99
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$19.99 - $22.99
- Steel body
- Steel cups
- Chromoly spindle
- Sealed bearings
- Interface: English
- Square Taper JIS
- Weight: 305-320 grams
$15.99 - $20.99
- 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
$18.00 - $19.99
- 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
$19.95
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly
$17.99
The Dynatron features an American BB with press fit cups and caged bearings.
- Compatible with 1-piece cranks
- Frame BB Shell is 68mm width by 51.5mm inner diameter
- BB Style: American
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