The Flat-less tyre. Schwalbe's best selling model. The most puncture resistant pneumatic tyre there is. In addition to the superior puncture protection it features many inner values:ROLLING RESISTANCE: The patented, 5 mm thick SmartGuard layer, when compared to all generic products, has a significant advantage in rolling resistance.RECYCLING: Also in the SmartGuard, we use a proportion of recycled rubber from old latex products.ANTI-AGING SIDE WALL: It now lasts much longer before developing unsightly cracks.E-BIKE READY: Due to its great properties Marathon Plus is the best choice for E-Bikes (E-25). The main sizes are approved and tested for E-bikes up to 50 km/h**Features:*** PROTECTION: SmartGuard Flat-Less - the most effective level of protection, a belt of 5mm thick, flexible India rubber, partially made from recycled material. Protects even against thumb-tacks* SIDEWALLS: TwinSkin which is an additional rubber coating to protect against cuts* COMPOUND: Endurance compound specific to Marathon tyres for maximum durability* TPI: All Versions 67 TPI* WEIGHT 700x25c 595g / 700x28c 750g / 700x32c 810g / 700x35c 900g / 700x38c 960g* WEIGHT 26: 26x2.35 775g / 26x1.50 870g / 26x1.75 995g / 26x2.00 1100g * WEIGHT 27.5x1.50 920g* 16x1.35 - 480g* 20x1.35 - 560g / 20x1.75 725g* 24x1 3/4 - 850g / 24x1.75 - 920g * 650c x 35a - 850g / 650c x 40a - 940gPlease note that Schwalbe items marked as Special Order will be a delivery time of 7 days.**ETRTO:*** SCR1936: 25-622* SCR1937: 28-622* SCR1938: 32-622* SCR1939: 35-622* SCR1940: 38-622* SCR1941: 35-349* SCR1942: 35-406* SCR1943: 47-406* SCR1945: 47-507* SCR1946: 35-559* SCR1947: 37-590* SCR1948: 40-559* SCR1949: 42-590* SCR1950: 47-559* SCR1951: 50-559* SCR1952: 40-584* SCR1953: 40-635* SCR1954: 47-622* SCR1957: 25-540* SCR1957A: 25-540* SCR1957B: 25-559* SCR1957C: * SCR1957D: 37-540* SCX055: 28-559