SRAM X-Sync Road Direct Mount Chainring Rival - 38t 12-Speed 8-Bolt Direct Mount BLK MPFN-820-05-660-KIT S Lower EC49 S

S Lower EC49 S

45-mm deep rim shape provides speed on every terrain with best-in-class aerodynamic efficiency and crosswind stability

2 Hub/Brake Compatibility Roller Brake Rear Hub Spacing (mm) 135 Spoke Interface J-Bend Weight 1670

DUB technology simplifies the relationship of the spindle to the bottom bracket

SRAM X-Sync Road Direct Mount Chainring Rival - 38t 12-Speed 8-Bolt Direct Mount BLK MPFN-820-05-660-KIT S Lower EC49 SSRAM X Sync Road Direct Mount Chainring for Rival 38t 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