Used RD-6870-GS (long cage) Ultegra Di2 rear derailleur
11 speed
Compatible with 11-32t 11 speed cassette
Sold in USED condition. Cosmetic condition varies. All rear derailleurs are fully functional.
Save 10% on the purchase of a full group set (1 shifter set, 1 front derailleur and 1 rear derailleur)
