Shimano Spares RD-7900 tension and guide pulley set Review Posted on July 22, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Outdoor Recreation, Parts & Components, SHIMANO, Sports & Outdoors Genuine Shimano replacement part – 10 speed compatible– For 7900, 7970, 7800 and 7700 rear mechs