SRAM Force 2x Chainring Kit Tooth:50/37 The 400 mAh battery charges

The 400 mAh battery charges via integrated USB-C—no cables needed

or 8-speed Shimano HG drivetrain then the Shimano HG40 chain is just what you need for optimal shifting performance

Coat the entire chain length twice

Enhanced Flange Diameter for Extended Endurance

Drop a wattbomb or two next time you’re on the bike

SRAM Force 2x Chainring Kit Tooth:50/37 The 400 mAh battery chargesSRAM wanted light weight, stiffness, and durability, and we got all three. Our 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 weve packed in makes this our longest lasting chainring set ever. Crisp and accurate front shifts One piece construction for faster,