ANGRENAJ MTB ACID PRO 32T 175 mm Our crank is the most important component of your drivetrain. Not only does the low-profile design look great on modern bike designs, it also makes the crank incredibly stiff. With every last watt efficiently translated into forward motion, it could be the tyre-width's advantage you need in the final sprint.Crank arm length 160-175 mm Two-piece mountain bike crank with integrated 24 mm axle 32T chainring Narrow-wide technology 3-bolt interface Compatible with Shimano 12-speed drivetrain Chainline 53 mm