APPLICATABLE MODELS Shimano 500-5000: Stella, Vanford, Twin POWER, Twin POWER XD, '21 ULTEGRA, Stradic CI4+, Stradic SW, Cardiff CI4+, Excence, Excence CI4+, Excence LB, Vanquish, BB-X Technium, BB-X Technium FIRE BLOOD, BB-X Remare, BB-X Hyper Force, BB-X Rinkai SP, BB-X Despina, BB-X Larissa, Aorista CI4+, Complex CI4+, Sustain, Sephia CI4+, Sephia SS, Sephia BB, Soare CI4+, Soare BB, Biomaster SW, Aero CI4+ etc.
Recommended for replacing the original line roller, the design of which does not allow the bearings to be replaced separately.