SRAM Force 2x Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount Black D2 MFPN=11816 6 upper/lower upper stack 5mm

6 upper/lower upper stack 5mm color blue weight 27g

Component upgrades include faster pulleys bearings motors and signals to improve speed in every way

Color Black Flat Protection Sidewall TPI 60 Weight 800 Defined Color Black ISO Width (mm) 61 ISO Diameter 584 / 650b / 27

0 and alloy Sapim Doublesquare spoke nipples

SRAM Force 2x Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount Black D2 MFPN=11816 6 upper/lower upper stack 5mmSRAM Force 2x Chainring Kit 50 37t 2x12 Speed 8 Bolt Direct Mount Black D2. The SRAM Force 2x chainring kit is lightweight stiff and durable. 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 that has been packed in makes it SRAMs longest lasting chainring set yet.