There are really two types of grip generated by tyres though, if the spikes have something to dig into, then you would expect more spiles to give more grip.
What if there is nothing to dig into? Then the smae 'mass' on less spikes should give more grip. Rally cars (real ones) use skinny wheels/tyres on ice/snow don't they?
One of the things I don't like about my 1/8th is the fact that the front tyres are as wide as the rear, I'd like to use narrower fronts tbh.
G
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