SRAM Force D2 2x Chainring KitSRAM wanted light weight, stiffness, and durability, and they got all three. The one piece construction ensures that none of your effort goes to waste. A 13 tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shifts. And the technology theyve packed in makes this the longest lasting chainring set ever. Crisp and accurate front shifts One piece construction for faster,