Features:- Schwalbe has been using levels for many years to indicate puncture protection of her tires.- Two examples: only Schwalbe has the tires that can be called ´´anti-puncture´´ (protection 7).- For mountain bikes, Tubeless became the standard for performance-oriented use with the- Schwalbe dust inserts from Tubeless Easy technology together with sealing milk for optimum puncture protection (protection 6).- The DualGuard has been developed for fast, light bicycles that are used daily.- The combination of rubber insert and fabric insert is the perfect compromise between daily and speed-oriented use.Raceguard (4):- Double-laid fabric under the tread. Ideal puncture protection when a tire has to be fast and light.- 2 layers of crossed nylon fabric, 67 EPI carcasses.Specifications:- Version: folding tires- Bet range: race- Inch: 28 ´´- TPI / EPI: 67- Inch size = 28x1 5 / 8x1- Etrto size = 25-622- Weight: 280g