These ones? "This tyre is intended for race use only in solo events, and is not recommended for road races or training rides due to its short tread life. There is no extra puncture protection with the Grand Prix Supersonic due to the lightweight construction. Riders should weigh up the compromises that they are willing to take before selecting this tyre." Well they are honest about their tyres...
TT tyres........ you don't get the problems with puncture's TT'ing, so fine. Maybe not an early season tyre/hedge clipping time, but I've used a whole lot of TT tubs and never had a problem.
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