The BB841T-41 is a high-performance thread-together bottom bracket engineered for BB86 / BB89.5 / BB92 frames (Ø41mm) paired with Shimano 24mm cranksets. Built with TBT ceramic or Premium bearings and Fusion construction, it delivers exceptional stiffness and eliminates creaking. X-Seal technology provides superior protection against moisture and contamination, keeping your drivetrain running smoothly across all riding conditions and extending bearing life.
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