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}Shimano BT-R1A External Di2 Battery
Supremely comfortable and sturdy
We’ve fine-tuned our fit and added the diesel option because black goes with everything and is hard to stain
32t direct mount X-SYNC 2 steel chainring included
Steerer inner diameter must be between 24
Shimano XT FC-M8120-1 Crankset -175mm 12-Speed Direct Mount 55mm Chainline Hollowtech II Spindle Interface BLK Model=Apex Brake Caliper }Shimano BT-R1A External Di2 BatteryShimano XT FC M8120 1 Crankset 175mm 12 Speed Direct Mount 55mm Chainline Hollowtech II Spindle Interface Black. The Shimano Deore XT FC M8120 crankset features modern construction using direct mount chainrings and a 178mm Q factor for 12 speed MTB drivetrains. Hollow forged crank maximizes power transfer while limiting weight Rigid and lightweight design for aggressive trail riding Shimanos Hollowtech II technology provides the best balance of
