RACE FACE AEFFECT CINCH CRANKSThe all new Race Face Aeffect crankset is a rock solid performer, built to handle the rigors of today's modern XC and trail riding. It features Race Face's CINCH removable spider interface, which offers the ability to convert between existing chainring standards while remaining flexible to future developments. The crankarms are deep pocket net forged from 6066 aluminum to optimize stiffness while helping to reduce weight. Features24mm EXI interface spindle is tried and trued Cinch removable spider allows for easy chainring conversions Forged from 6066 aluminum for high strength and low weight SPECIFICATIONSSpeeds1x BB Compatibility24mm EXIChain Ring N/ACrank Arm Length165, 170, 175mm BB Spindle Interface24mm EXIChainring Material N/ABolt Center Diameter (BCD)Cinch direct mount Crank Arm Material6066 aluminum Bottom Bracket Included No Intended Use XC, Trail Weight650g without BB | Race Face | Aeffect Cinch Cranks 175Mm | Aluminum