RaceFace -
The Race Face Aeffect crank is designed to handle aggressive trail riding at XC crank weight and an attractive pricepoint. Features the CINCH system with its interchangeable spider options and a 24mm EXI interface spindle. Crank arms forged from 6066 aluminum Compatible 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 configurations 24mm EXI spindle compatible with Race Face X-Type bottom brackets or Hollowtech II compatible bottom brackets CINCH removable spiders and direct mount rings require a 20-tooth ISIS cup BB tool for removal and installation Direct mount chainline: 51mm / 57.5mm (Flipped Ring) 2X Cinch spider chainline: 49.5mm Boost 2X Cinch spider chainline: 52.5mm Number of Chainrings: No Rings, No Spider Included keyword search: RXC137 Color: Black Crank Length (mm): 165. 170, 175 Pedal Spindle: 9/16" Crank Intended Use: Mountain Chainline/Hub Compatibility: 135/142 MTB Hubs , 141/148 Boost Hubs , 150/157 DH Hubs Spindle Interface Type: RaceFace EXI , Shimano Hollowtech II Drivetrain Speeds: 9 , 10 , 11 , 12 Defined Color: Black Chainring BCD: Direct Mount CINCH BB Included: No