[GO-RIDE.com]

I assume you mean the 36-50-4800. I run a Novak 1/10 6.5 (6400kv) on 2S and it runs great geared 46/12 and 4" 2.2 truck tires. When it's cool or I use 3.5" 2.2 buggy tires I can run it 46/13 no problem. As beefy as the Medusa motors are compared to my super light Novak I think you will be able to gear it to at least 40 with no problems. I think a 15T would be a good place to start, or a 14T if you don't need that much speed.