Schwalbe Marathon Racer tyres are the lightest and fastest marathon tyres in the Schwalbe line up.The lightest Marathon. RaceGuard for good puncture protection. SpeedGrip Compound for the best handling characteristics. With its LiteSkin sidewall the Racer stays at an excellent weight level. A very sporty Marathon tire. Key Features: Wired Tyre,SpeedGrip Compound,Integrated Kevlar Guard,Reflective stripe,LiteSkin sidewalls,E-bike use for speeds up to 25kph,Weight: 16 255g, 18 295g, 20 340g.