SHIMANO ULTEGRA/GRX RD-R8000/RX817 PULLEY SET over-2500 thanks to a highly elastic

thanks to a highly elastic special rubber insert which repels all kinds of foreign bodies

Carry handles

brake hoods or down in the drops

Compatible with Dual Pivot side-pull brakes

SHIMANO ULTEGRA/GRX RD-R8000/RX817 PULLEY SET over-2500 thanks to a highly elasticUpgrade your drivetrain with this premium Shimano pulley set, engineered for ULTEGRA RD R8000, ULTEGRA Di2 RD R8050, and GRX Di2 RD RX817 11 speed rear derailleurs. Featuring sealed precision bearings on both pulleys, this set delivers low friction performance and exceptionally smooth shifting across road and gravel applications. Built to Shimano's exacting standards for reliable, responsive gear changes in any terrain. Compatibility ULTEGRA RD R8000