X-Miles CompoundLower wear because the rubber compound is abrasion-resistant and has been applied thicker on the center tread. There is also an efficiency gain of 8.6 watts per pair of tires compared with the predecessor. This means a gain of 34 seconds at 40 km and an average speed of 45 km/h.HD Protection Bead2BeadThe technology HD Protection consists of textile fibers that, woven crosswise, form a high-density (HD) protection layer. This allows a very good compromise between a significant puncture resistance and a low rolling resistance, without compromising the weight of Michelin competition tires.Since its invention by Michelin and its introduction into the competition field in 1986, the Michelin research and development team has worked year after year to continuously improve the performance of the protective layer. The HD Protection Bead2Bead version is optimized for racing use. Tire - Type: Bead2Bead, HD Protection, Skinwall - Tire size in inches (diameter x width): 28" x 1.60" - Density carcass fabric: 120 TPI - Tire size ETRTO in mm (width x diameter): 40C x 700 mm - Construction: folding tire - Puncture protection - Rubber compound: X-Miles Compound - Pressure (Bar): 3 Bar - 5 Bar Features & Benefits - Features: Puncture protection Main information - Scope of delivery (quantity): single - Intended use: Gravel Compatibility - E-bike compatibility: without Manufacturer's Suggestion Miscellaneous - Wheel size: 28 inch - Weight: 450 g.