RACE FACE AEFFECT CINCH CRANKS The 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. FEATURES 24mm 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 SPECIFICATIONS SPEEDS 1x BB COMPATIBILITY 24mm EXI CHAIN RING N/A CRANK ARM LENGTH 175mm BB SPINDLE INTERFACE 24mm EXI BOLT CENTER DIAMETER (BCD) Cinch direct mount CRANK ARM MATERIAL 6066 aluminum BOTTOM BRACKET INCLUDED No INTENDED USE XC, Trail WEIGHT 650g without BB RACE FACE CINCH DIRECT MOUNT CHAINRING IT'S A CINCH The Race Face Cinch Direct Mount Chainring features a narrow-wide tooth profile that ensures the ultimate chain retention no matter what you ride on or how hard you go. It pairs up with the Race Face cranks that utilize a CINCH system interface. The Race Face CINCH system allows for easy switching between direct mount rings and spiders, giving you plenty of flexibility for trying out different drivetrain options. Built from aerospace grade 7075-T6 aluminum for excellent durability. FEATURES Narrow Wide tooth profiling ensures ultimate chain retention Attaches as part of the RF Cinch system (using common Park BBT-22 bottom bracket tool) Utilizes Race Face Cinch proprietary spline design 7075-T6 aluminum aerospace grade strength Stiff 4mm plate thickness to transfer loads without flexing Compatible with 8, 9, 10, 11, and 12 speed (except Shimano 12-speed) SPECS Color: BLACK, BLUE, RED, GREEN, ORANGE, PURPLE Built For: XC/Trail/AM/DH Compatible With: Race Face cranks with CINCH System Interface Size: 30T Offset: 3mm CHAINLINE & CHAINRING OFFSET GUIDE REAR SPACING Non-Boost 135mm,142mm Boost 148mm Super Boost 150mm/157mm Fat Bike 170mm/190mm/200mm CHAINLINE 48-50mm 51-53mm 54-56mm 56mm+ CHAINRING OFFSET ~6mm ~3mm ~0mm