The fastest and lightest marathon. Performance Line. Excellent quality for intensive use. RaceGuard puncture protection level 4. A double layer of nylon fabric. Good protection for lightweight and sporty tires. Speedgrip: very sporty rubber compound with extremely low rolling resistance and remarkable grip. Lite Skin: Skin means skin. This primarily describes the nature of the sidewall. Lite. Lightweight, thin sidewall. Consists only of the rubberized carcass. E-Bike ready 25 - Do you need special tires for E-Bikes? For normal pedelecs with pedal assistance up to 25 km/h, the law does not require special tires. However, even with these bikes, the loads and average speeds are higher than with regular bikes, which is why Schwalbe recommends only certain tires as "E-Bike ready 25". E-Bike info: According to Schwalbe, the tires (Schwalbe Marathon Racer 28 x 1.20 inches / 28 x 1.35 inches / 28 x 1.50 inches) can be used with E-Bikes up to 25 km/h. Intended use: City & Trekking. Details: - 30 mm: ETRTO 30-622 (28 x 1.20 inches) / 4.5 - 7.0 Bar (65 - 100 psi) / Weight 395 g - 35 mm: ETRTO 35-622 (28 x 1.35 inches) / 4.5 - 6.5 Bar (65 - 95 psi) / Maximum load 95 kg / Weight 465 g - 40 mm: ETRTO 40-622 (28 x 1.50 inches) / 4.00 - 6.00 Bar (55 - 85 psi) / Maximum load 105 kg / Weight 495 g - 67 EPI; Wheel size: 28 inches; Tread: HS 429; Version: Performance Line, RaceGuard, Lite Skin; Design: Wire tire; Reflective strip; Puncture protection; E-Bike compatibility: Manufacturer recommendation up to 25 km/h; Rubber compound: Speedgrip Compound.