The Contact Speed is the perfect choice for puristic city speedsters, singlespeed bikes and fitness bikes. The double puncture protection layer and the good grip ensure safety. It is easy to set up. The roughened and fast slick profile scores particularly well on asphalt. The tyre is approved for e-bikes up to 25 km/h.Safety System Breaker - The puncture protection with systemThe Safety System Breaker is made of kevlar reinforced, high-strength nylon fabric. It is puncture and cut resistant, but still light and flexible and adapts better to the surface. Without noticeably increasing weight or rolling resistance, it protects the carcass from foreign bodies and contributes to a long tyre life. In addition, tyres with Safety System Breakers offer particularly comfortable driving characteristics.