Specifications:
Outer Dia. of Wheel Hub (D1): 30mm
Outer Dia. of Tire (D2): 40mm
Inner Dia. of Hub (D3): 3.1mm
Height of Wheel(H): 11mm
Specifications:
Outer Dia. of Wheel Hub (D1): 30mm
Outer Dia. of Tire (D2): 40mm
Inner Dia. of Hub (D3): 3.1mm
Height of Wheel(H): 11mm