Fit 20x2.35"-3.5" Tires; Disc Brake and Caliper Brake. Disc brake and 44mm spacing of center hole to center hole. Front hub width 100mm, Axle length 145mm; Rear hub width135mm, Axle length 175mm. Fit Single Speed and 7/8/9s Multi-Speed Rotary Flywheel.
Suggestion: Recheck and Readjust the Spoke Tension with spoke wrench if possiblely before installation for Double Security. 20 inch Heavy Duty Double Wall Wheels Set 12 Gauge 36 Spokes. Rim Size 16.5 inch/420mm.
Rim Width 1.85 inch/47mm. Rim Inner Width: 1.54 inch (39mm). 6 holes for disc brake.
Hub Diameter 1.18 inch (30mm). 12 Gauge Heavy Duty 36 Spokes.Rear Width 135mm, Axle length 175mm. Fit Single Speed and 7/8/9s Multi-Speed Rotary Freewheel. 12 Gauge Heavy Duty Double Wall Rim. Front Width 100mm, Axle length 145mm.