Kyosho Lazer ZX5 Pinion Gears

[jackeltrader]

Hi Guys,
Does anyone know of anywhere this side of the Atlantic I can get hold of a selection of various tooth pinion gears? I want to try different ones at my local meet to see how they alter the performance but I am the ONLY Kyosho runner and can't seem to find them on all the usual places on the web. Or is it possible to use another manufacturers gears? My local model shop is shocking so it's web only I'm afraid....fed up of waiting three weeks to get them from the USA - any help would be great - I'm probably being a wing nut but hey ho
Thanks!!