10 Speed Shimano 105 RD-5600 Short Cage Rear Derailleur
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
Shimano 105 5600 Groupos user reviews : 3.8 out of 5 - 16 reviews - roadbikereview.com
Shimano 105 RD-5600 Rear Derailleur: 10 Speed - Short Cage - Silver (EXC) - Bike Recyclery
Shimano 105 (5600 series) exploded view - #2452 May 2005