PN Racing Mini-Z 2WD Machine Cut Nylon FG Black Formula 8.5x20mm Flanged Wheel F2

Acetone safe

New Machine Cut Formula One style Nylon FG 20mm diameter flanged wheels

Black Color Nylon mix Fiber Glass, 30% stronger than Delrin POM

Flange outer lip diameter 21.6mm

8.5mm width

Diameter with tire: Low profile tire 22mm,  Regular tire 22.8mm

tire mounting surface with a small cut groove improves traction with the tire and wheel

Reduce tire movement under load, help stiffen the sidewall, and effectively reduce traction roll.