Help with shimano sc-6502 flight deck for ultegra 6600 - Only notices changes on the front derailleur but not from the rear one rendering the rpm function useless : r/bikewrench
FLIGHT DECK SC-6502 SERVICE INSTRUCTIONS MANUAL Pdf Download | ManualsLib
Shimano SC-6502 Flight Deck display
Shimano FlightDeck SC-6502 Manuals | ManualsLib
Shimano FlightDeck SC-6502 - Service Instructions, Specification | manualzz.com