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Ibis S35 29" Carbon Rim

Ibis S35 29" Carbon Rim
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When we set out to improve our pre­vi­ous wheels, one of our goals was to make them even lighter and stronger. That wasn’t easy. To do it, we need­ed to reduce the height of our bead­walls. The short­er the bead­walls are, the less like­ly they are to bend and break.

An asym­met­ric rim means that instead of the spoke holes being drilled through the cen­ter of the rim, they’re slight­ly off­set. Doing this allows us to improve the brac­ing angle of the spokes. Because our rims are so wide we get to make them even more off­set than nor­mal. Our larg­er off­set allows us to ten­sion both sides of the wheels near­ly equal­ly, which results in a stronger and more durable wheelset.

We don’t call the mate­r­i­al in our car­bon wheels ?“tough­ened” because they went to boot camp. The name comes from the com­bi­na­tion of resin mate­ri­als we use in our car­bon layup to get the right feel and strength. Part of that for­mu­la is the tough­ened resin we use in the bead­wall, which allows them to flex and shrug off impacts. Sup­port­ing those bead­walls is car­bon with a stiffer resin to make sure they hold their shape.

Our rims are backed by a sev­en-year war­ran­ty. If it’s our fault, we’ll fix them. We also offer a low cost ?“acci­dent replace­ment” pro­gram, just in case you dri­ve your bike into the garage…