PN Racing Mini-Z 2WD Machine Cut Nylon FG Black Formula 8.5x19mm Flanged Wheel F2.5 MR2188F25-19

Acetone safe

New Machine Cut Formula One style Nylon FG 19mm 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.