Product Description Technical Information:Application:MTB, Freeride, DownhillCrank Arm Material:OPTIM aluminium (20% stronger than aluminium 7050)Bottom Bracket:BSA83, PF30/83 (other bottom bracket widths possible using a spindle kit)Axle Diameter:30 mmCrank Arm Length:165.0 / 170.0 mmCompatibility:10-/11-speedFeatures:incredibly light and stiffwith new Cinch System (all common axle standards can be covered with one crank)also suitable for fatbikes with 100 mm BSA Note: The appropriate tool from Cyclus Tools can be used to assemble the chainring.Contents:2 x Race Face Atlas Cinch crank armchainrings not includedbottom bracket not includedWeight:black | 165.0 mm | without chainring: 690 g (with 36 T. chainring)Manufacturer: FOX Factory GmbHGewerbepark 666989 HöhfröschenGermanyinfo@ridefox.com