The Shimano BB9441A Press Fit Bottom Bracket is a highperformance component engineered specifically for mountain bikes using a pressfit bottom bracket shell with a 41mm internal diameter Designed to work seamlessly with Shimano Hollowtech II cranksets this bottom bracket ensures smooth and efficient power transfer while maintaining longlasting durability in offroad conditions The BB9441A is wellsuited for riders looking to upgrade or replace their bottom bracket with a component built to handle the rigors of trail enduro and crosscountry ridingBuilt with precision bearings and highgrade seals the BB9441A offers a smooth pedaling experience while effectively protecting against water and dirt ingress The lightweight construction contributes to overall bike efficiency without sacrificing reliability Shimanos quality standards ensure that this bottom bracket delivers consistent performance in demanding environmentsFeatures Compatible with pressfit 41mm bottom bracket shells Designed for Shimano Hollowtech II MTB cranksets Highquality sealed bearings for smooth rotation Lightweight and durable composite cups Excellent sealing for enhanced weather and debris resistance

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