For use with vertical dropout frames
CeramicSpeed Bearing Upgrade
Chain spotter is not included with the adapter clamp
The carbon-fiber lever blade pulls crisp and clean
SRAM DUB™ technology
Ultegra RD-R8000 Pulleys TRAINING For use with vertical dropoutUltegra RD R8000 tension and guide pulley set Precision sealed bearings in both guide and tension pulleys keep drivetrain smooth and friction free Compatible with RD R8000 GS, RD R8000 SS, RD R8050 GS, RD R8050 SS, RD RX800 GS, RD RX805 GS, RD RX812, RD M8000 GS, RD M8000 SGS, RD M8050 GS, RD RX817 Attributes Pulley Compatibility RD R8000, RD R8050, RD RX800, RD RX805