Speed and comfort combined in one tire. The Contact Speed is the perfect choice for minimalist city bikes, singlespeed bikes, and fitness bikes. The double puncture protection layer and good grip ensure safety. It is also lightweight in construction. The textured and fast slick profile excels especially on asphalt. The tire is approved for e-bikes up to 25 km/h. Safety System Breaker - the puncture protection with a system. The Safety System Breaker consists of Kevlar-reinforced, high-strength nylon fabric. Puncture and cut-resistant, yet still lightweight and flexible, the tire adapts better to the surface. Without noticeably increasing weight or rolling resistance, it protects the carcass from foreign objects and contributes to a long tire lifespan. Additionally, tires with the Safety System Breaker offer particularly comfortable riding characteristics.