Michelin pro4 tubular road bike tyremichelin produces cutting edge tyres for optimum safety economy and performance with over 120 years experience why would you buy anything elsefeaturesfaster and safer due to improved wet grip compared to pro3 race the new michelin pro4 service course improves by 16 its speed in curve on wet road new standard in mileage and reinforced anti cut protectioncompared to pro3 race technical solutions new original compounds with higher centre rigidity and