Shimano XTR FC-M9020-2 Double
The FC-M9020 is a trail specific crank arm with a cold forged super strong construction and a standard 168mm Q-factor for 1x, 2x or 3x setups. If you want to change from a single ring to double or triple you only have to change the chainrings. The dedicated XTR 1x chainring features retention technology with a unique tooth profile that eliminates the need for chain retention devices.
Compatible BB: SM-BB90/SM-BB94-41A
Weight: 676g (170/38x28）