All-new, stunning thread-on rings allow riders to tune their chainring combinations for their riding needs, as well as replace rings as neededX-Range gearing keeps cadence changes during a front shift to the minimum, maximizing the ability to put power downOne-piece 2x chainring results in a lighter weight, stiffer, more durable crankset46/33T, 48/35T or 50/37T chainring combinations availableDUB bottom bracket adds durability and simplicityCrisp and accurate front shiftsCan be upgraded to a power meter170x50/37DUBBLKThread Mount2x12UPC/EAN/GTIN: 710845915635