Bottom Bracket
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Bottom Bracket, Drive Train, Gear, Spare Parts

Shimano Ultegra Press-Fit Bottom Bracket 86.5mm Shell Width
Bottom Bracket, Drive Train, Gear, Spare PartsShimano Ultegra Press-Fit Bottom Bracket 86.5mm Shell Width
- One of the standout features is the advanced labyrinth sealing system that effectively blocks out moisture and road grit
- The result is extended bearing life and consistent performance throughout thousands of kilometers of riding
- This composite material construction reduces weight while providing a quieter interface with your frame compared to traditional metal cups
- The lightweight design also helps reduce the risk of creaking, contributing to a smoother and more enjoyable ride experience
- This bottom bracket comes factory-packed with high-grade Shimano grease, delivering maintenance-free performance right out of the box
- Full compatibility with all Shimano 24mm spindle road cranksets means you have flexibility in your drivetrain setup
SKU: CP4548 -
Bottom Bracket, Drive Train, Spare Parts

Shimano UN300 Square Taper Bottom Bracket with Sealed Cartridge
Bottom Bracket, Drive Train, Spare PartsShimano UN300 Square Taper Bottom Bracket with Sealed Cartridge
- You’ll spend less time servicing and more time riding
- The UN300 features square taper design, making it compatible with traditional square taper cranksets
- This compatibility ensures straightforward installation and reliable connection with your existing crankset components
- Once installed, you’ll benefit from consistent, reliable performance without frequent adjustments or maintenance
- The sealed cartridge design means you can focus on riding rather than constant upkeep
- Select your preferred spindle length (113mm or 117.5mm) and experience the smooth, reliable pedaling that Shimano is known for
SKU: CP2226 -
Bottom Bracket, Components, Drive Train, Spare Parts

Shimano Tourney BB-UN101 Square Type Bottom Bracket
Bottom Bracket, Components, Drive Train, Spare PartsShimano Tourney BB-UN101 Square Type Bottom Bracket
- The BB-UN101 features a standard square-tapered spindle that fits a wide range of cranksets, including entry-level and vintage-style models
- Protection against the elements is built into every BB-UN101
- The sealed cartridge bearing unit keeps out dirt, water, and dust—common enemies of drivetrain longevity
- You’ll enjoy smooth pedaling efficiency without the hassle of frequent tune-ups or replacements
- Built from high-strength steel, the BB-UN101’s main body and spindle are designed to withstand the rigorous demands of pedaling
- The robust construction provides consistent rigidity under load, translating to reliable power transfer with every pedal stroke
SKU: CP2077
