Originally Posted by
Keep'N It Cool
The Tekin SC Motors are 66mm in length, same as the LRP SC Motors. And AE Recommends there SC motor of course to run in it. So Tekin and LRP motors should both fit. The Ballistic is 72 mm The Viper Motors are 72 mm long as well, as stated in this post by Viper
http://www.rctech.net/forum/electric...ml#post9067506
This thread couldn't have come at better timing for me. I just purchased an SC10.
I have a TEKIN RS-PRO system with an 8.5. What pinion / spur recommendations are out there?