RC Stuff on Ebay....
Sorry fellas but you can't really gear an electric USA-1 down any further. They already run a 9T pinion and the only smaller one is an 8T and that won't make diddly squat difference.
I have a USA-1 but it lies in pieces after I blew up both gearboxes running 17turn motors in it. Man did it move. I modified it and made a 4mm aluminium chassis for it and did a few things but could never significantly improve it's performance. Unfortunately the suspension geometry is not very good from the get go and there isn't much you can do to change it. Accept it as a basher and enjoy it.
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