X-Sync, 28T, 11sp, Direct Mount 3mm Boost, Chainring, For single speed, Aluminum, Black

* SRAM X-SYNC 1x chainrings provide the highest level of performance and durability in the market* X-SYNC tall square teeth edges engage the chain earlier than traditional triangle shaped teeth* The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain* X-SYNC chainrings have been designed with mud-clearing recesses for the inner chain links and rollers* Direct Mount rings save 25-50g over spider and chainring* SRAM Model ID: CR-XSNC-DM-A1