SRAM X-Sync Road Direct Mount Chainring Rival - 42t 12-Speed 8-Bolt Direct Mount BLK MFPN=SCO020298N0020 Kits are made up of

Kits are made up of universally designed shapes and sizes to cover all the high-risk areas Color Bolt

All with a high level of reliability for a longer lifespan: the best combo with an M on front for a balanced riding style

Set of 2 translucent green resin cast alien valve caps that are out of this world

310W peak motor

Silky smooth without sacrificing robust seals required for real life durability MTB and racing scenarios

SRAM X-Sync Road Direct Mount Chainring Rival - 42t 12-Speed 8-Bolt Direct Mount BLK MFPN=SCO020298N0020 Kits are made up ofSRAM 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 you're always in the right gear Tooth Count 42 Drivetrain Speeds 12 Round or Oval Round Defined