Ill be picking up the rc10gt 60t spur here soon. I have a rc10gt 66t spur on right now and a 19t 5mm pinion. I will also be picking up a RCM 24t 32p 5mm pinion.
Spur-
http://www3.towerhobbies.com/cgi-bin...?&I=LXS396&P=7
Pinion-
http://www.rc-monster.com/proddetail...nion5mm&cat=40