The RIDE crank arm set offers CINCH versatility, adaptable chainring options, and the 24mm EXI interface system for easier installation and removal. This set is a budget-friendly option with signature RaceFace styling, performance and craftsmanship.CINCH system compatibilityEXI interface for easier crank installationCrank arms are forged from 6066 aluminum with aggressive styling for a high strength to weight ratioDirect mount chainline: 51mm / 57.5mm (Flipped Ring)2X Cinch spider chainline: 49.5mmBoost 2X Cinch spider chainline: 52.5mmItem SpecificationsBB IncludedNoChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility141/148 Boost HubsChainline/Hub Compatibility150/157 DH HubsChainring BCDDirect Mount CINCHColorBlackCrank Intended UseMountainCrank Length (mm)170Defined ColorBlackkeyword searchRXC137Number of ChainringsNo Rings IncludedPedal Spindle9/16"RingsSold SeparatelySpindle Interface TypeRaceFace EXI RaceFace Ride CINCH Crankset Crankset UPC: 821973341668