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Why We Make CHRIS KING BOTTOM BRACKET We build bearings, so we build bottom brackets. The humble threaded bottom bracket is often the first part installed on a new frame, and the last one the rider thinks about during the life of the bike, but the bottom bracket has a direct effect on pedaling efficiency (read: speed). This is where you put your..

Shimano Deore XT BB-MT801 Threaded Bottom Bracket (68/73mm) Engineered for high-performance mountain biking and aggressive trail riding, the SHIMANO DEORE XT bottom bracket features premium sealed bearings for maximum longevity and spin efficiency. Optimized for Shimano 24mm spindle MTB cranks, this bottom bracket ensures top-tier power transfer..

Shimano Deore BB-MT501 Threaded Bottom Bracket (68/73mm) With upgraded sealing and smoother rotation, the SHIMANO DEORE threaded bottom bracket delivers excellent driving efficiency. Engineered to handle grit, mud, and water, it provides reliable, long-lasting performance for mountain bikes, gravel bikes, and touring rigs using 24mm spindle cran..