Schwalbe - Marathon Plus Evolution tyre for whelchairs Try the new 28 - 540 - Read at the bottom of the page. The Marathon Plus Evolution Tyre has become the absolute benchmark for puncture-resistant pneumatic tyres on wheelchairs. A portion of the SmartGuard protection belt is made of recycled natural rubber. The “anti-aging” sidewall construction can withstand typical overloading caused by low inflation pressure for much longer Puncture protection The Marathon Plus Evolution Tyre has flatless SmartGuard puncture protection insert. 2Grip protects the hands, because the side walls of the tyre are smooth. Additional feature: The black, long-lasting rubber compound that leaves no dark signs of abrasion. For night owls, we have developed a version with reflective strips on the side walls of the tyre. NEW (28-540) or 24" x 1.1" Wider tires roll better than narrower tires. This statement generally invokes skepticism, nevertheless, with tires at the same pressure a narrower tire deflects more and so deforms more. The answer to this question lies in tire deflection. Each tire is flattened a little under load. This creates a flat contact area. At the same inflation pressure, a wide and a narrow tire have the same contact area. A wide tire is flattened over its width whereas a narrow tire has a slimmer but longer contact area. The flattened area can be considered detrimental to tire rotation. Because of the longer flattened area of the narrow tire, the wheel loses more of its “roundness” and produces more deformation during the rotation. In a wide tire, the flattened area is shorter in length and does not have so much effect on the rolling direction. The tire stays “rounder” and therefore it rolls better. THE TECHNICAL EQUIPMENT VARIES ACCORDING TO THE VERSION AND/SIZE. PLEASE NOTE THE INFORMATION IN THE DETAILED DESCRIPTION. Marathon Plus 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 won’t harm it. Marathon Plus unplattbar The Marathon Plus is the only tyre worldwide that can be called "flat-less". This is due to its unique and patented puncture protection belt: five millimetres thick and made from highly elastic special rubber. Even thumbtacks can't puncture it. Marathon Plus Puncture protection PERFORMANCE LINE Excellent quality for intensive use. These are the best value for money tires. Marathon Plus Puncture protection Black nRoll Wheelchairs with black tires? Schwalbe has made it possible. We developed a special Black’n Roll compound that does not leave unsightly marks on indoor floors. Additionally it is far more robust and much longer lasting.
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