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Our Kick Scooter Wheels
Xootr kick scooter wheels are the key to our kick scooters high performance. Our kick scooter wheels are custom made for the Xootr push scooter and are not available on any other product. These wheels are made by molding polyurethane onto aluminum centers. Countless hours were spent on the polyurethane blend and testing to get just the right combination of speed and durability. Our wheels offer the lowest rolling resistance of any small-wheeled vehicle and the larger size (180 mm) keeps them from getting hung-up in cracks and other imperfections in the riding surface.
Why should you care about rolling resistance? In a human-powered vehicle traveling at speeds of about 10 mph (16 kph) on level ground, nearly all of your effort goes into overcoming rolling resistance. Rolling resistance is pure dissipation of your energy...the less resistance, the less effort you have to apply to get where you're going. See the chart below for a quantitative assessment of what this means to you. Frankly, after riding the Xootr, skateboards, in-line skates, and other competitive adult scooters feel like they are rolling through mud...the Xootr is that fast.
Xootr has plenty of type-A, hyper-analytical engineers on the team. To further support our claims of scooter wheel superiority, they ran some tests with the Xootr and the obvious competitive devices. They simply measured the speed of these products rolling down a 1% grade (a just noticeable incline). The Xootr rolls almost twice as fast as a nice skateboard (with Kryptonics 65mm wheels) and 50 percent faster than the cheap scooters that use 100mm in-line wheels like the Razor brand scooters. Pneumatic-tired scooters like the Know-Ped with 200mm (about 9 inches) kick scooter wheels barely roll on this incline...we wouldn't even recommend one of these for a child.