MORE is what you get Puncture protection and mileage are the strengths of Hard-shell- Protection. A wider PolyX Breaker, the specialist against punctures, under the tread center and shoulders provides for great reliability. The three-ply – each layer with 60 TPI – carcass covers the entire tyre and makes it a real bastion against urban detritus. The outer sidewalls of the tyre are reinforced with Dushkin fabric providing even more reliability due to the casing being so well protected. Hard-shell tyres are the puncture-resistant