50/37T

One-piece construction for faster, smoother, more secure shifting13-tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shiftsX-Range gearing technology gives you more range and a smoother gear progression, so you`re always in the right gearDirect Mount50/37TAlloyBlack12spStandard

 One-piece construction for faster, smoother, more secure shifting X-Range gearing technology gives you more range and a smoother gear progression, so you�re always in the right gear New tooth profiles for improved wear More durable finish Direct Mount 50/37T Grey 12sp Standard