1-speed, DUB (axle Ø: 28.99 mm), without bottom bracket set Compatible with 11/12-speed, carbon cranks, belongs to the highest class of the SRAM "Eagle" family. High durability, absolute reliability and perfect function in all situations - whether on the race track or during your ride after work. With carbon crank arms and an "X-Sync 2" CNC machined chainring, the crankset impresses with minimal weight and high shifting performance. It is compatible with your 11-speed or 12-speed drivetrain. Number of chainrings 1 Crank length 175.00 mm Main color black Large chainring 32 inch System compatibility 11-speed, 12-speed Bottom bracket DUB Type/type Item Variation crankset