Du-Bro 63.5mm (2.5") x 17.1mm Treaded Lightweight PU Rubber Wheel for 4mm Axle (2 Pack) "World War II" more than 250 airframes have

more than 250 airframes have been produced across five different variants and the type is employed by a number of military and civilian operators around the world

long enough for most small size airplanes

Havok Racer 1000mm (39") Wingspan - PNP from Skynetic - SKY1000-001

Inlet and exit air holes for proper cooling

Registration of rotor/propeller rpm

Du-Bro 63.5mm (2.5") x 17.1mm Treaded Lightweight PU Rubber Wheel for 4mm Axle (2 Pack) "World War II" more than 250 airframes have63. 5mm (2. 5") x 17. 1mm Treaded Lightweight PU Rubber Wheel for 4mm Axle (2 Pack) from Du Bro DUB250TL After 3 years of research and development, Du Bro has produced the RC tire for the 21st Century. These new wheels are lightweight, shock absorbing, fuel resistant and built extremely tough! Features: Built extremely tough Lightweight Shock absorbing Fuel resistant 2 per package