Wheels Manufacturing Direct Mount Chainring - 32t SRAM 3-Bolt Direct Mount 3mm Offset T-Type Chain Compatible BLKMachined 7075 aluminum, these rings are built to be lighter and more durable than most options on the market, giving riders the confidence to push harder without compromise. Narrow Wide rings are compatible with SRAM T TYPE chains. Fits 9,10 and 11 spd chains, 12spd chains (SRAM Eagle, KMC, SRAM Road and Transmission T Type Flattop chains); Will not work with 13spd Campagnolo chains or 12spd Shimano HG+ chains. Shimano HG+ works with 9,10 and 11 spd