Features:
Belt drive design, quiet running.
Smooth operation, stable excellent performance.
High-strength belt, not easy to damage, easier to adjust.
DIY for Tamiya TT02 transmission, 3.17 motor gear.

Specification:
Material: Metal, Rubber
Color: Blue
Belt: 57T
Spur Gear: 40T
Pinion: 16T
Weight: 20.5g/set

Fit for:
TT02
TT02S
TT02R
TT02D
TT02SR
TT02SRD
TT02RR
TT02SRX

Installation:
1. Use the metal disc of the stock gearbox to put it in;
2. Both large and small friction plates are glued with double-sided tape;
3. The groove on the pulley is pasted with a friction plate of corresponding size;
4. Put the bearing in the middle;
5. Install metal discs, non-slip springs, and nuts;
6. Install the two gears closer to fit the belt, and then adjust the distance between the gears to tighten the belt