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68 + 73 mm BB shell | 24 mm Spindles | Lightweight
In the world of Shimano, the letters XTR stand for the best of the best. The English-threaded M-BB93 bottom Bracket is exactly that. It’s tough, extremely lightweight, and sealed to keep out dirt in the worst riding conditions imaginable. The M-BB93 fits 24mm crank spindles and is compatible with both 68mm and 73mm bottom bracket shells.
Wondering if we can ship your super sweet gear that is probably really heavy or an awkward shape? See our detailed break down of “Shipping & Handling Costs.”
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