Product Description Race Face popular Aeffect crank now features two-tone graphics for aggressive trail riding at an XC crank weight and attractive price. Featuring the Cinch system with interchangeable spider options, the proven 24mm EXI interface axle, and an additional 165mm of length, the Aeffect is an extremely robust crank for today's modern XC and trail rider. Specifications:Application:Cross Country, Trail, Enduro, Fat BikeCompatibility:1x10-speed, 1x11-speedChainring Mount:Cinch Direct MountTechnical Information:Series:AeffectCrank Arm Material:aluminium (6066)Axle Material:AluminiumCrank Arm Length:165.0 mm, 170.0 mm, 175.0 mmAxle Diameter:24 mmCompatible BSA Shell Width:68 / 73 mmRecommended Bottom Bracket:BB30, PF30 (68/73 mm)Features:deep recesses for optimized stiffness24 mm axle diameterremovable spider offers the possibility to switch between existing chainring standards while remaining flexible for future developmentsblack satin finishContents:1 x snot incl. bottom bracketnot incl. chainring Manufacturer: FOX Factory GmbH Gewerbepark 6 66989 Höhfröschen Germany info@ridefox.com