SRAM X-Sync Road Direct Mount Chainring Rival - 40t 12-Speed 8-Bolt Direct Mount BLK MFPN=13000021000110 Color Black Flat Protection Sidewall

Color Black Flat Protection Sidewall TPI 60 Weight 871 Defined Color Black ISO Width (mm) 58 ISO Diameter 584 / 650b / 27

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Rear drop covers back even in aggressive positions

Tool-Free installation

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SRAM X-Sync Road Direct Mount Chainring Rival - 40t 12-Speed 8-Bolt Direct Mount BLK MFPN=13000021000110 Color Black Flat Protection SidewallSRAM X Sync Road Direct Mount Chainring for Rival 40t 12 Speed 8 Bolt Direct Mount Black. SRAM X Sync Road Direct Mount Chainrings for Rival drivetrains feature a wide tooth narrow tooth design to provides maximum chain control. SRAM X SYNC wide tooth narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable X Range gearing technology gives you more range and a smoother gear progression so youre