**The original.* The archetypal high quality touring tyre. Now completely revised:**GreenGuard.* The highly elastic, India rubber layer is 3mm thick. Other manufacturers call such a tyre Plus. However, Green is not just the colour, but also the philosophy: One third of the GreenGuard is made up of recycled latex products.** Anti-Aging .* The completely new sidewall construction can withstand for much longer the typical cracking resulting from overloading due to insufficient inflation pressure. Also the new Endurance Compound substantially increases durability.**E-Bike Ready.* The new Marathon has been designed for use on all types of E-bikes. The following sizes bear the ECE75 mark, suitable for use on faster, up to 50 kph, E-bikes: 47-406, 47-559, 37-622, 40-622, 47-622.