Smooth tread for easy rolling, good protection with K-Guard puncture protection belt. High-quality 50 EPI carcass, and available in Black, Brown, Creme or Graphite colors, all with reflective sidewall strips.Level 3 K-GuardOur minimum standard for protection belts. This Guard has been proven for many years. It consists of natural rubber and is reinforced with KEVLAR® fibres. Together with the 50 EPI carcass all Active Line tires are well protected against punctures. KEVLAR® is a trademark of DuPont.Active LineThe basis for all Active Line tires is the high-quality 50 EPI casing material. SCHWALBE no longer produces tires with a coarse 20 or 24 EPI casing material. In addition, K-Guard provides effective puncture protection for Active Line tires.