SRAM Rival X-Sync Direct Mount Road Chainring - 40t 12-Speed 8-Bolt Direct Mount 6.5mm Offset BLK E1 52 - 55.5cm Carbon crank arms are 29g

Carbon crank arms are 29g lighter than previous generation

Crankarms and spindles sold separately Tooth Count 50/34 Drivetrain Speeds 11 Round or Oval Round Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount CINCH

Color Black Primary Color Black Cut Out No Saddle Cover Material Fibra-Tek Saddle Dimensions 264 x 125mm Rail Material Carbon/Ceramic Saddle Weight 143g

Designed to be clamped solidly into a repair stand or hung from a hook

32 nipples weigh approximately 14g Color Silver Material Alloy Spoke Diameter 2

SRAM Rival X-Sync Direct Mount Road Chainring - 40t 12-Speed 8-Bolt Direct Mount 6.5mm Offset BLK E1 52 - 55.5cm Carbon crank arms are 29gSRAM's light stiff and durable Rival X Sync direct mount aluminum road chainrings let you pick the exact gearing you want and quickly swap sizes. Our X SYNC technology keeps the chain where you need it to be too. X Sync wide tooth narrow tooth chainring technology provides maximum chain control Aluminum laser etched chainring is designed to be more durable X Range gearing technology gives you more range and a smoother gear progression so youre always