This Zipp 101 clincher rear wheel is an excellent addition to any road bike. With 20 sapim spokes and Shimano Ultegra 10 speed, it provides a smooth and reliable ride. The sleek silver colour and new decals add a stylish touch to your bike.

https://www.slowtwitch.com/Products/Things_that_Roll/Zipp_101_Long_Term_Test_-_Stealth_Aero__2707.htm

The brand Zipp is known for their high-quality bike components and this rear wheel is no exception. It is compatible with road bikes and comes with one item in the package.

Whether you are racing or simply cruising, this wheel is sure to enhance your cycling experience.

The rim has a 30mm high cross-section with a fully toroidal shape. Toroidal? Funny you should ask: it means that the sides are curved rather than a straight V-section, and that curve reaches right across the braking tracks. Think ring doughnut and you’ll get the idea. The rim bulges outwards from the hook bead, (where the tyre attaches) before heading back in towards the spokes.

This is technology Zipp have developed in the wind tunnel over many years. The idea is that, working with the tyre as the leading edge, the toroidal rim provides the best aerodynamics across the widest possible range of wind conditions. Get that? Basically, this shape reduces drag so you go faster. Zipp reckon this specific shaping allows the 101s to outperform much deeper section wheels that use straight-sided rims, without getting blown about in crosswinds. These are the only fully toroidal aluminium rims out there.

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