SRAM RED AXS 175x46/33 DUB NoBB SL/GYDeep Range gearing technology gives you more range and a smoother gear progression, so youre always in the right gear New concept and design specifically for electronic shifting featuring a precise 13 tooth gap for all chainring combinations Improved front shifting performance for crisp and accurate front shifts Unique chainring design results in a lighter weight, stiffer, more durable crankset DUB bottom bracket adds durability and simplicity Can be