The Race Face Atlas crank is the burliest alloy CINCH offering; designed to excel across many disciplines including trail, enduro, DH and freeride. Featuring the versatile CINCH interface for interchangeable spiders, limitless ring combinations, a 30mm alloy spindle and compatibility across all relevant frame standards.Bottom bracket, direct mount ring and spider not includedDirect mount chainline: 48.5mm / 55mm (Flipped Ring)2X Cinch spider chainline: 47mmBoost 2X Cinch spider chainline: 50mmCrank arms forged from 7050 aluminum with a bracing matrix for added stiffnessCompatible with all CINCH direct mount rings and spiders to easily convert between existing chainring standards including: direct mount, 1x, 2x with and without bash, and 3x configurationsCINCH removable spiders and direct mount rings utilize a 20-tooth ISIS cup BB tool for removal and installation30mm spline interface CNC'd from aluminum super alloyItem SpecificationsBB IncludedNoChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility157 Super Boost HubsChainring BCDDirect Mount CINCHColorBlackCrank Intended UseMountainCrank Length (mm)170Defined ColorBlackDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Drivetrain Speeds9keyword searchRF131BMNumber of ChainringsNo Rings IncludedPedal Spindle9/16"RingsSold SeparatelySpindle Interface TypeRaceFace/Easton CINCHWeight690 RaceFace Atlas CINCH Crankset Crankset UPC: 821973281018