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6 – ZS56/40 MTB
} Magi-X compound is designed to provide maximum grip
Optimized power and modulation for triathlon and time trial
In optimal conditions
They fit only the Shimano XTR M9000 and M9020 cranksets (race and trail respectively)
CeramicSpeed T47a Threaded BB Alpha Gravel Shimano Black Model=BB7 Road Disc Brake 6 – ZS56/40 MTBSave watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime Covered by a lifetime warranty Developed to improve upon the original CeramicSpeed BB, with every design element isolated, analyzed, and refinedeach part carefully evaluated for opportunities to increase performance 10% lighter DUB specific cups for right setup with less spacers Stainless steel races for longer durability Refined light
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