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Bottom Brackets
$22.40
$28.00
20% Off
Shimano BB-ES300 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$53.60
$67.00
20% Off
Shimano BB-ES51 Octalink V2 Bottom Brackets
- Fits Shimano Octalink V2 Spline Cranksets
- Crankarm fixing bolts not included
$16.00
$20.00
20% Off
BB-UN26 cartridge bottom bracket.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly
$16.00
$20.00
20% Off
Cartridge-style bottom bracket for use with E-Type front derailleurs.
- Smooth rotation
- Square taper spindle
- Sealed cartridge bearing assembly
$17.60
$22.00
20% Off
- 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
$24.00
$30.00
20% Off
- Tiagra-level Hollowtech II bottom bracket
- Compatible with all road Hollowtech II cranks
$32.80
$41.00
20% Off
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
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