The most advanced tyre technology on the market, used by the pro's to win races is now available to you. For more information visit: http://www.schwalbe.com/en/schwalbe-procore.htmlHere is what Factory Jackson thinks: http://factoryjackson.com/2015/08/12/schwalbe-procore-review/"We have been riding the Procore system for a couple of months now, and have spent three weeks of that in the Alps - and have not suffered a single puncture or problem.Alp D'huez is notoriously rocky in places and can be super hard on bikes - but whilst others I rode with were pumping in well over 40psi, I kept my tyres soft and made the most of the comfort and grip. I completely trust the system - it's a brilliant innovation.Schwalbe Procore really is a game-changing product".