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- Direct Mount chainring for XCX, TRS, and LG1 cranks\n- Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear while retaining chain\n- 10/11/12 speed. Compatible with both Shimano™ and SRAM™ 12 speed drivetrains\n- Privides Boost 148mm chainline on XCX Mountain cranks and 142mm chainlines on XCX Gravel cranks\n- Provides chainline for Superboost spacing on TRS and LG1 cranks