SRAM X-Sync Road Direct Mount Chainring Rival - 40t 12-Speed 8-Bolt Direct Mount BLK MFPN=13000021000110 Tool-Free installation

Tool-Free installation

}Shimano BB-UN300 Bottom Bracket - English 68 x 107mm Spindle Square Taper JIS

Color Gray Defined Color Gray Front Axle 15mm Thru x 110mm Hub/Brake Compatibility 6-Bolt Disc ISO Diameter 622 / Road / 29" Valve Presta Wheel Size 29"

Combines superb grip and high durability

Dicut 240-series Center Lock disc hub with 36t Ratchet EXP system

SRAM X-Sync Road Direct Mount Chainring Rival - 40t 12-Speed 8-Bolt Direct Mount BLK MFPN=13000021000110 Tool-Free installationSRAM 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