28-622 Marathon Plus Performance SmartGuard Wire, Reflex Black Marathon Plus Unplaceable Tyres. Swallow best selling model In addition to the outstanding puncture protection, it impresses with many inner values: rolling resistance. The patented, 5 mm thick SmartGuard insert has a significant advantage in rolling resistance compared to all imitation products. Recycling. In SmartGuard we also use a percentage of recycled rubber from old latex products. Anti-ageing side wall. Withstands the typical overloads due to too low air pressure significantly longer before it gets ugly cracks. Size: – ETRTO 28-622 (28 x 1.10 inches) Type: – Wire Tyre Compound: – Endurance Design: – SmartGuard Colour: – Black Reflex Skin: – Twin Weight: – 750 g (26 oz) Pressure: – 5.50 – 7.50 Bar (80 – 110 psi) Profile: – HS440 + F1 Rema TipTop Bike Hose Patch: For a worry-free bike tour, the proven bike patches are included. This is why we offer selected set items with a D: 30 mm tip top hose patch. We always wish you a good journey.