Originally Posted by
JayL
any idea of gearing for a 17.5?
We have to use stock spurs and tamiya pinions as the spur isn't the standard one and the pitch isn't 48 or 64, correct?
Looks like the typical TRF 0.4 module spur, so you will need Tamiya pinions. They are relatively inexpensive on eBay and come in packs of two. Nobody's tried aftermarket spurs yet as far as I know