These custom T-20 bolts are direct replacements, or spares, for the 8 bolts on the SRAM Direct Mount chainrings and spiders. Compatibility Any SRAM crankset that has a direct mount spider that requires 8-bolts Related Products Direct Mount Chainrings for SRAM 8 Bolt Tech Specs Installation: Torque 4Nm with T-20 tool Quantity: Set of 8 bolts Material: stainless steel Color: silver Weight: 8g for set [snippet name=”Prop 65″] Listing and template services provided by inkFrog