Race Face Aeffect Cinch Cranks New for 2016 from Race Face, the Aeffect crankset is designed with the aggressive trailer rider in mind. An aggressive rider who wants a durable, rock solid crankset at a low weight and an economical price. Featuring the infinitely versatile Cinch System, you will be able to use a removable spider for multi-ring setups, use narrow wide direct mount rings for 1X drive trains and be adaptable for whatever the future standard might be. Features: Bottom Bracket, Chainrings and Spiders sold separately Bottom Bracket Options: BB92, 68/73 BSA, 100mm BSA Forged from 6066 aluminum to optimize stiffness Spindle Diameter: 24mm Intended Use: XC, Trail, Enduro Weight: (175mm 22/36T w/o BB) 785g | Race Face | Aeffect Cinch Cranks | Black | 170mm | Aluminum