Shave over 11 grams from our original Guidering, and update the design to not only look better, but perform 30% better in impact and you have our SL Chainring.SL Chainrings are -8mm (non-Boost) offset, for use with ALL* cranks (except XCX Race cranks). Key Features: Chain retention: Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear.,Chainline: TRS/LG1 Cranks: UL Chainring for SuperBoost chainline. SL Chainring for non-Boost and Boost chainline.,XCX Mountain Cranks: UL Chainring for Boost chainline. SL Chainring for non-Boost chainline.,XCX Gravel Cranks: UL Chainring for non-Boost chainline (142mm rear hub spacing)Compatibility: 10/11/12 speed. Compatible with both Shimano™ and SRAM™ 12 speed drivetrains.,Features: Lightweight and durable design, minimal aesthetics, and updated M3 tooth profile.,Material: 7050 Aluminium,Mount: QuickConnect™,Teeth: 28-38t options,Weight: 58g.