Tamiya 54500 TT-02 High Speed Gear Set (68T) for TT02/TT02B/TT02D/TT02T chassis. This is an official Tamiya spare part. Tamiya offers a wide range of R/C spares, extras, and hop-ups to enhance your Tamiya radio control vehicles. Find a good selection of wheels, tires, motors, body shells, and many other spares and parts. All rights reserved. © 2017 Jadlam Racing Ltd.