Rear wheel 1 gear 20 inches
If it says 406 on your old tire or rim, this wheel fits. For example 47-406
Also fits bmx bikes.
Tires for this wheel can be, for example, 20 x 1.75
With foot brake
18-tooth gear wheel, nuts and brackets included.
Rim width outside measured 24 mm
Hub width 110 mm
Alex Z1000 rim