The original. The archetypal high quality touring tire. Now completely revised: GreenGuard. The highly elastic, India rubber layer is 3 mm thick. Other manufacturerscall such a tire 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. Alsothe 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.