Delta Cruiser Plus Active PunctureGuard Tubeless 700B x 38 Rigid Road Tyre.Size:700B / 38.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.3 mm Puncture Guard.Protection level 5.Specifications:- Size:40-635 (28 x 1 1/2 ) or 700 x 38B.- Performance:PunctureGuard.- Compound:Sbc Technology:Active Line:- The 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.Level 5 Punctureguard:- Same principal as the SmartGuard, but only 3 mm thick.One-third of the highly elastic India rubber is made up of recycled latex products.