Careful engineering has resulted in crankarms that optimize stiffness to weight ratio, with material only where itâs neededIntegrated chainrings deliver flawless shifting in ranges that fit your needs, with the whole package coming in over 50 grams lighter than the previous generationX-Range gearing technology gives you more range and a smoother gear progression, so youâre always in the right gearDUB bottom bracket adds durability and simplicity48/35T and 46/33T chainring combinations availableCrisp and accurate front shifts175x46/33DUBBLKDirect Mount2x12UPC/EAN/GTIN: 710845916205