The continental cyclocross speed 700x35c tyre is available in two casing options so you can used it for speed on the dry cyclocross race courses or as a nimble urban warrior on a cross commuter bike choose the supple and lightweight 180tpi folding version for fast racing to push yourself and beat your personal best or you can choose the robust 84tpi wire option for a free road bike that allows you to have a fast on road experience with the option of jumping across the parks and down the shor