The original. The archetypal high quality touring tire. Now completely revised GreenGuard. The highly elastic, India rubber layer is 3 mm thick. Other manufacturers call such a tire . 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. The MARATHON is robust enough for every-day transport and dependable on longer journeys This classis touring tire is highly resistant to punctures and also has the durability for long tour Black w/ Reflex sidewall 45-100 psi, 50 EPI 800g 24 x 1.75