Sram Force 2X 107 BCD chainring bolt kit blackAluminum bolts for SRAM Force 2X 107 BCD chainrings.These chainring bolts from SRAM are used to attach 4-arm chainrings with 94 or 107mm hole circles to Force (D1) 2-speed cranks. Sram Force 2X 107 BCD chainring bolt kit blackAluminum bolts for SRAM Force 2X 107 BCD chainrings.