julio 27, 2026
Vintage Shimano RX100 rear derailleur model RD-A551, LONG cage unit in silver finish. Classic bolt-on design for standard derailleur hanger dropouts, with aluminum body and steel hardware. Markings include "Shimano RX100" on the outer link and "RD-A551 VIA JAPAN" on the inner body. Set includes the rear derailleur only, as pictured, with integral mounting bolt and barrel adjuster. Weight: 285 g.