Race Face 3-Bolt Direct Mount Chainring Chainrings will eventually wear out with normal use so when they're worn out, you should replace them. The Race Face 3 Bolt Direct Mount Chainring is compatible with SRAM cranksets with a removable spider. It has a narrow-wide tooth profile that ensures ultimate chain retention. It's made out of 7075 aluminum and has a stiff 4mm plate thickness for maximum power transfer. It is compatible with 10 to 12-speed drivetrains. This will be the perfect chainring for any cross-country, trail, or all-mountain setups. Features Compatible with 10 to 12-speed drivetrains7075 aluminum construction Narrow-wide tooth profile keeps the chain from falling off Weight: 38 grams (26T), 76 grams (36T)3mm chainring offset provides an ideal chainline when used with a Boost frame/rear wheel Compatible with SRAM cranks: XX1, X01, X0, X9, X7, S2210, S1400, and Truvativ AKA (GXP) | Race Face | 3 Bolt Direct Mount Chainring | Black | 26 Tooth | Aluminum