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GXP/Long spindle BB30 Chainring mounts to any GXP crank and adapts it to a Boost 148 chainlineOval chainrings have been shown to improve traction and reduce leg fatigueIdeal for 1x 9/10/11 system and single speeds52mm bosst 148 specific chainline11 percent ovality7075 Aluminum construction*If used in a 1x9 drivetrain a 10sp chain must be usedDirect Mount28T7075ALGXP Boost 148Oil Slick1/9/10/11/12spNarrow/Wide3mm ...

Oval chainring for use with RaceFace Cinch system cranksCompatible with RaceFace Next SL, SIXC, and Turbine cinch cranksOval chainrings have been shown to improve traction and reduce leg fatigueIdeal for 1x 9/10/11 system and single speedsAdjustable clocking position11 percent ovality50mm chainline7075 Aluminum constructionDirect Mount28T7075ALRF-CinchOil Slick1/9/10/11/12spNarrow/Wide6mm ...

Oval chainring designed for Shimano XTR M9100 and M9120 cranks onlyOval chainrings have been shown to improve traction and reduce leg fatigueConstructed of durable CNC machined 7075 aluminumOnly compatible with CN-M9100 chain due to different thickness of the teethFits Shimano XTR M9100 , M9120 and FC-MT900 cranksetsMounts with original crank lockringDirect Mount28T7075ALXTROil Slick12spNarrow/Wide ...