Michelin pro4 tubular road tyres 23c pairdesigned to give the best balance of performance in competition very high level of adherence on wet surfaces the combined effect of optimised casing deformation the tread pattern and the rubber compound high level of anti puncture protection high density nylon ply featuresquantity 2 tyresweight 280gtpi 290tringle harddiameter 622width 23pressure 612buymichelin tyresfrom chain reaction cycles the worlds largest online bike store