Ibis has been advocating for wide mountain bike rims for years now, well before their popularity boomed with riders. They understood that a wider rim gives better sidewall support to the tire, which means riders can get away with running lower tire pressures for better traction and control. Their wheels have seen a lot of success, but Ibis isn't one to rest on their laurels so they recently went back to the drawing board to improve upon their already awesome wheels. The S35 27. 5in Logo Carbon Boost Wheelset is the fruit of their labor, designed to provide riders with enduro-worthy strength at a weight that's competitive with most lighter-duty carbon trail wheels. Not only that, but Ibis managed to improve ride quality and impact-resistance along the way--all good things for the discerning rider and racer. When Ibis set out to improve upon their previous wheels, one of the main goals was to make them even lighter and stronger, which was no easy task. To achieve this Ibis knew they had to reduce the height of their beadwalls in order to make them less likely to bend and break. Stan's NoTubes already uses this technology in their existing rims, so Ibis collaborated with them to use their patented Bead Socket Technology (BST), which not only reduces the beadwall heights for improved vertical compliance and ride quality, but also makes it easier to mount tires and provides a more secure tubeless setup. Additionally, the S35 rims are drilled asymmetrically, which improves the bracing angle of the spokes and allows both sides of the wheel have nearly equal spoke tension, resulting in a stronger and more durable wheelset. Ibis also changed up their carbon construction, using a material they call Toughened Hybrid Carbon. The name comes from the toughened resin formula they use in the beadwall, which allows it to flex and better shrug off impacts. Considering that many carbon rim failures happen during single-sided impacts with the beadwall, we're glad to see Ibis take ...
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Ibis S35 27.5in Logo Carbon Boost Wheelset
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