Race Face Next R MTB ChainsetAll set for fast-paced MTB rides, this chainset gives you impressive torque levels and control on your mountain bike adventures. It features a carbon crank arm construction, which means that you'll benefit from its incredible stiffness without worrying about adding any unnecessary weight to your MTB. Race Face has also equipped this trail-ready crankset with a tough alloy spindle. This gives it an additional layer of robustness as you blast across the MTB trails at speed. Features: Crank Arm Material: Carbon Spindle Material: 7050 Alloy Use: MTB, XC, Trail, Enduro, Fat Bike Length: 170mm Weight: 494g (with 32T chainring)Manufacturer Part Numbers: Black 28T 170mm: CK18NXRDM28170BLK Black 30T 170mm: CK18NXRDM30170BLK Black 32T 170mm: CK18NXRDM32170BLKBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.