SRAM Rival D1 Flattop 12-Speed Chain 120 LinksDescription The Flattop technology of the SRAM Rival chain creates a lighter, quieter, stronger chain thats compatible with 12 speed 1x and 2x eTap AXS drivetrains. Ride far, long and fastthis chain can go the distance. Features Flattop technology allows for a narrower chain with quieter operation and increased strength and durability Use for both 1x and 2x eTap AXS Includes Flattop PowerLock

Weight (pair + cleats): 312g

1x12 or 2x12 HOLLOWTECH II cranksets

DURA-ACE R9150 Series

Since 2020

Q Factor: 53mm

CHAIN: HG-EV 11-speed/HG-X11

Power Surge mode: 37 lumens for 8:30 hours

Four decades after the first Specialized Allez hit the road

Suitable For: Vegans

Medium-gauge microfiber provides ample compression and support

curved profile of the Romin Evo Expert saddle

8% less at sitbones