OS Stars Wheel Pack - 103A Multi

A whide-shaped wheel made with a polypropilene mould and preheated 50oC. The urethane is cured at a low temperature in the oven with 12% resilence liquid and 14% ether.
Diameter: 55mm
Width: 33mm
Contact: 21mm
Hardness: 83B=103A

Set of 4 (four) wheels.