49CC Mini jogging refit a set of chain chains with rough chains, small sports ca

Mini Pocket Bike 49cc Drive System T8F Chain & 6T Gear Box Rear Sprocket Product Description: Mini Moto 49cc Drive System T8F 108 links loops Chain with Gear Box And Rear Sprocket 6T Fit 49cc Mini Pocket Bike Package: 1 set Notice: 1.Don’t buy if you don’t confirm you can use them 2.You will receive the item same as the pictures. maybe some difference on the color as the light during shooting.