2-fold, DUB, without bottom bracket, black 12-speed compatible, aluminum crank arms, aluminum direct mount chainring set, chainline 45 mm Number of chainrings 2 Type Article Main color black Large chainring 46 T. Small chainring 33 T. Chainline 45.0 mm Crank length 175.00 mm System compatibility 12-speed Bottom bracket DUB Variation Set The SRAM Rival E1 Crankset is not only the most advanced, but also the most beautiful. Careful design has led to crank arms that optimize the stiffness-to-weight ratio, with material only where it is needed. Integrated chainrings ensure flawless shifting in ranges that meet every need, and the whole is more than 50 grams lighter than the previous generation. X-Range gearing technology offers more range and ensures smoother shifting, so the right gear is always available. Sharp and precise shifting DUB bottom bracket ensures durability and simplicity Available chainring combinations: 48/35T and 46/33T SRAM Article number: 737875 EAN code: 710845916205 Supplier number: 00.6118.744.017 Retail packaging: Yes