Marathon Plus Tour SmartGuard Dual 27.5´´ x 2.10 Rigid MTB Tyre.Size:27.5´´ / 2.10.Now with a new dynamic profile.On the central rib it rolls easily over hard paths, while the strong outer lugs give it great off-road traction.The SmartGuard provides superior puncture protection.Level 6 SmartGuard:Most effective protection belt available for bicycle tires.A substantial, 5 mm thick layer of flexible, special india rubber offers durable protection.Works also for objects that lodge in the tread.Even a thumbtack wont harm it.Flat-less:Most effective protection belt available for bicycle tires.A substantial, 5 mm thick layer of flexible, special india rubber offers durable protection.Works also for objects that lodge in the tread.Even a thumbtack wont harm it.E-Bike Ready 25:In standard pedelecs that have motor assist up to 25 km/h, there is no legal requirement for a special tire.But even with these bikes, loads and average speeds are higher than in regular bikes, therefore we recommend only certain tires as E-Bike Ready 25.Performance Line:Excellent quality for intensive use.These are the best value for money tires.