Is this 10-speed Shimano 105 RD-5600 compatible with a 6-speed cassette? : r/bicycling
Pre-owned: Shimano 105 (RD-5600) 10-speed short cage rear derailleur – Cycloan Education And Restorative Approaches
Shimano RD-5600 GS 105 Rear Derailleur | Tree Fort Bikes
Shimano 105 RD-5600 10-speed Rear Derailleur: Short Cage, Silver - Bike Recyclery
Shimano 105 St-5600 2x10 Speed Sti Road Bike Shifter Set 5600 Shifters Left Right Double 10 Speed Shifter Pair With Shift Cables - Bicycle Derailleur - AliExpress