The classic center rib profile is versatile and offers pleasant rolling characteristics. Of course, the Delta Cruiser is equipped with 50 EPI carcass, K-Guard and reflective lines. The Cruiser for the road. The dynamic tread looks good on any touring cycle. With K-Guard puncture protection. The well known Kevlar belt has been improved again. The protective layer is stronger and safer. But at the same time Schwalbe managed to make the material much more elastic. The result is a higher level of protection with a lower rolling resistance. Schwalbe Puncture Protection Level 3.