Whether you\'re racing or touring, the Continental Grand Sport Race Tyres are fit for the occasion. NyTech Breaker technology ensures durability and offers impeccable puncture resistance with reduced weight. Grip the ground like never before thanks to PureGrip technology, so you can feel the difference beneath the pedals.Nytech Breaker technology - resistant to punctures and cuts; lower rolling resistance; reduced weightPureGrip technology - outstanding grip, elasticity and rolling propertiesBead: foldingDimensions: 700 x 28mmPly/TPI: 3/180PSI: 80 --155Weight: 335g