[teknorc]

Originally Posted by Arct1k

These look like the mega motors usa pinions that have been around for a while

http://www.megamotorusa.com/Car/MegaMod1.htm?id=618

In fact same picture!

Correct. However, the size selection is different. Now 12-17t are available. Also, we are going to update the picture in time :). Thanks.