Deep Range gearing technology gives you more range and a smoother gear progression, so you�re always in the right gear Power meter is fully integrated into the chainring set Power readings are accurate within +/-1.5% and aren�t affected by climate conditions during a ride Power balance measures left and right legs separately Improved front shifting performance for crisp and accurate front shifts Unique chainring shape results in a lighter weight, stiffer, more durable crankset Integrated chainring design significantly reduces weight DUB bottom bracket adds durability and simplicity 172.5x46/33 DUB Silver/Grey Direct Mount 2x12UPC/EAN/GTIN: 710845823183