Standard replacement derailleur for 6 and 7 speed bikes with CLAW attach type frames. The wheel axle nuts or quick release would bolt right over this claw.
"Direct" type attachment derailleurs are different. Available below!
Model: Tourney RD-TY300
Speed: 6 / 7 speed
Max. Rear Sprocket: 34T
Min. Rear Sprocket: 11T
Gear cables and housings sold separately. Below!