Originally Posted by
RussF
I had my pinion wear out on my M-05 last race. Looks like a bunch of shark fins. Its a 20 tooth pinion. I run a Orca 17.5 in it. Is there any special pinion I should replace it with? As in steel, aluminum, etc. What are the gears in the trans of the M-05? I assume its a 48p gear. Anybody know for sure?
The pinion are 0.6 module (.6 mod) and are very much not 48p. Robinson Racing makes steel versions (on 1120). Tamiya, Yeah Racing and Kawada make hardened aluminum versions. I'm a fan of the Kawada. Try TQ RC Racing first if you're in N. America. The other good international option is RC Mart.