Square STA-339W Aluminum 1 Way Front Pulley 39T (Blue) for TAMIYA TA 05

Aluminum 1 Way Front Pulley 39T (Blue) for TAMIYA TA 05 & Doricon SP

A machined aluminum pulley that has both a weight and a gyro effect for counter drift. It makes it easier to control looking back at low speeds. The pulley part is hard anodized with less wear. It is a pulley that can use Tamiya genuine option front 1Way unit OP-833.