30 / 43 tooth, 2-speed, DUB, without bottom bracket, unicorn gray 12-speed compatible, chainline 47.5 mm (Wide axle), carbon crank, aluminum chainrings, bolt circle diameter 94 mm Number of Chainrings 2 Crank Length 177.50 mm Primary Color gray Large Chainring 43 inch Small Chainring 30 inch Secondary Color multicolor System Compatibility 12-speed Bottom Bracket DUB Type/kind Article Variation crankset