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This kit is for the new BB90 press in bearing system and Shimano 10 speed cranks.
The BB90 system is found on 2008 and newer high end Trek Madone and Gary Fisher bikes. |
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Features
- Premium F1 Ceramic Bearings using grade 3 Ceramic Balls
- BB90 Standard
- Drastically reduced bearing resistance
- More durable than steel bearings
- Required upgrade for racers and fast club riders
- You will receive 2 bearings and two plastic dustcaps to replace the stock bearings and seals. Just pop our bearings in and ride! .
- This kit is only for frames that use press BB90 bearings (no cups) and Shimano 10 cranks.
- Compatible with Shimano 10- D/A: 7900/7800, Ultegra: 6700/6600, 105: 5600
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