Features:- Maximum puncture protection- Robust construction and modern tread design- Versatile - suitable for asphalt, dirt roads and light terrain- Two different specifications depending on bike type (e-bike/bicycle)- In popular e-bike sizes with proven construction of the Marathon E-Plus: Smart DualGuard and reinforced sidewall allows higher load capacities- In classic sizes with proven construction of the Marathon Plus.Specifications:- Size: ETRTO 50-622 (28 x 2.00Inch)- Typ: Wired- Compound: ADDIX E- Execution: Smart DualGuard- Seal: Tube- Weight: 1150 g- Pressure: 2.50 - 4.50 Bar (35 - 65psi)- Maximum load: 128 kg- EPI: 67- E-bike: E-50Technologies:Unplattbar:- Exclusively from Schwalbe. Only tires with SmartGuard® and Smart DualGuard puncture protection can rightly call themselves ´´unplattbar´´ or ´´flat-less´´. Proven a million times over - the safest choice for bikes and e-bikes. The flat-less puncture protection even protects against thumb tacks.Smart Dualguard:- The safest puncture protection there is for e-bike tires. Specially developed for the requirements of e-bikes. Outstanding puncture protection through the combination of 4 mm thick SmartGuard special rubber with 2 layers of RaceGuard fabric.E-50:- E-Bike tires with European ECE-R75 approval. Our recommendation for fast E-Bikes - S-Pedelecs with type approval, insurance, and motor assist over 25 km/h – for which a special tire approval is necessary.Recycling:- Old products made of natural rubber (such as gloves, tubes...) are crumbed and, over several procedural steps, used as base material in the puncture protection system.