Scale Balloon Tail Wheels
Treaded, shock-absorbing rubber balloon tires hug the ground and take the bounce out of hard landings. Tires have one-piece metal wheel hubs. For use as scale tail wheels on large models or main wheels on smaller 1/2A models.

The Sullivan 1 3/4" tailwheel has a nylon hub

For more information and option to buy link to:
www.sigmfg.com