Vittoria Open Pave CG Road Tire. Race proven on the nastiest cobbles the European Classics have to offer, the Vittoria Open Pave CG road tire is the ultimate high performance rubber for bad roads in bad weather. Exclusive to Vittoria, the Open Pave CG features a 320 TPI cotton casing that's truly one of a kind in terms of flexibility and light weight. What that translates to on the road is a remarkably supple ride and exquisite handling just what you need when you're flying along a sector of cobbles. The tread compound is Vittoria's ISOgrip that both reduces rolling resistance and delivers stellar grip in wet conditions to keep your bike rip roaring fast no matter the weather. And for the ultimate in plush performance, treat yourself to the 700x27 size make sure your bike can accommodate the width!, drop the pressure a bit, and attack the roughest roads with glee.