Specifications:
Outer Dia. of Wheel Hub (D1): 25mm
Outer Dia. of Tire (D2): 60mm
Inner Dia. of Hub (D3): 3mm
Height of Wheel(H): 19mm
Application: suitable to be main wheel of 40-60 grade nitro airplanes
Kindly Remark:
The wheel inner dia. of hub has 3mm and 4mm two specifications, and we will send randomly!