Speed: 9 speed. Range: 11-34T.
Shimano Sora R3000 9 Speed Rear Mech Derailleur - GS Medium Cage
Shimano Sora R3000 9 Speed Rear Derailleur - GS Medium Cage
Shimano Sora R3000 9 Speed GS Medium Cage Rear Derailleur - Black
SAVADECK Z1 Carbon Folding Bike 20 inch Lightweight Mini Compact City Bicycle with SHIMANO SORA R3000 9 Speed Derailleur System and Carbon Fiber Frame Adjustable Folding Bike (Black Orange)
