The Shimano Deore M5100-B2 mountain bike crank delivers precise and reliable shifting for 2x11-speed drivetrains. This 2-piece crank offers a 36-26T gear combination and a 48.8mm chainline. FRONT CHAINWHEEL, FC-M5100-B2, DEORE, FOR REAR 11-SPEED OUTER RING MATERIAL Steel CRANK AXLE MATERIAL Steel CRANK ARM FINISH Painted