Deep Range gearing technology gives you more range and a smoother gear progression, so you�re 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 upgraded to a power meter 170x48/35 DUB Silver/Grey Direct Mount 2x12