When we run on the polished wooden floor at our local club we actually found mini spikes better than mini pins, even worn ones. You'd assume worn mini pins would be better as theres more surface area etc but for us the mini spikes were better.
There maybe better suited tyres, but we try to keep the same tyres for everyone so its even.
Yellow mini spikes dont mark the floor, I think silvers did so they're not used.
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