Riding through broken glass: The new Marathon Plus with - Smart Guard - makes it possible thanks to the highly flexible, special rubber layer. The revolutionary feature of this new puncture protection system is due to its 'super-ball' characteristics, The Smart Guard special rubber protection belt is so flexible that it has no effect on rolling resistance. In fact, whereas traditional puncture protection systems increase a tire's rolling resistance. The approximate 200 gram extra weight compared with the 'classic' Marathon is hardly noticeable in everyday use.
Buy Schwalbe Marathon Plus Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.