Sram | Rival E1 Dm X-Sync 6.5Mm Offset Road Chain Ring 42T | Aluminum

SRAM Rival E1 DM X-Sync 6. 5mm Offset Road Chain Ring Light, Stiff, and Durable If you want to go fast on your road bike, you'll want a lightweight and stiff chain ring. The SRAM Rival E1 DM X-Sync 6. 5mm Offset Road Chain Ring lets you pick the exact gearing you want and quickly swap sizes. SRAM's X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control, and the 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. This chainring has improved aerodynamics for time trial and triathlon use. Features X-Sync technology provides maximum chain control Laser-etched chainring finish that is more durable X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear Improved aerodynamics for time trial and triathlon SPECIFICATIONSDrive Train Speed12-Speed Tooth Count38T, 40T, 42T, 44T, 46T, 48T, 50TMaterial Aluminum Direct Mount Type8-Bolt SRAMChainline-Offset6. 5mm Intended Use Road Weight TBDChainline/Chainring Offset Guidelines Rear Spacing135mm / 142mm148mm Boost Super Boost 150mm / 157mm Fat Bike (170mm, 190mm, 200mm)Chainline48 - 50mm51 - 53mm54 - 56mm56mm+Chainring Offset~6mm~3mm~0mm~+2mm | Sram | Rival E1 Dm X-Sync 6. 5Mm Offset Road Chain Ring 42T | Aluminum