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.