Same motor as me Tony, are you using a 1/8 ESC with it?
Regarding pinions, the Hot Bodies range seem to be popular with us but many other brands offer similar items.
I haven't looked into gearing e.t.c. yet but will head over to RC Tech for such info, there's quite a thread going on all about it.
The handling is superior with the 17mm 1/8 buggy wheels/tyres on but you're gonna lose that short course look the moment they go on there!! If you do stick with SC wheel's then as far as I'm aware you'll need some Fastrax Kourse King's for astro and AKA Enduro's are good for the indoor tracks, I haven't tried them but take other peoples word to be good on that advice.
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