>> Oddly enough as the contact patch gets smaller the speed at which you risk aquaplaning
>> actually begins to rise.
>>
Yes, I found this when I got a road bike after years on mountain bikes, concerned over the virtually slick tyres I did some research and found that the tiny grooves on road bike tyres are for ostensibly psychological effect only, the small contact area actually makes them less prone to aqua-planing than knobbly mountain bike tyres.
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