This article originally appeared on BikeRadar Deep-section aero wheels offer some of the biggest speed gains you can find, along with your helmet and clothing. The difference between basic training wheels and the best of this group can be as much as four minutes in a 40km bike leg. In short, aero wheels are essential as soon as you switch from completing to competing.ADVERTISEMENT Super-deep wheels, such as the 70mm-plus hoops here, are specialist tools for racing on flat and rolling courses. While they`re much faster than standard wheels, they are slightly heavier than shallower carbon wheels and even the best of them get pushed around a bit on windy days. Ideally, if you were racing on mixed terrain, you`d have a set of lighter mid-depth wheels for hillier events. For that reason, we have also included two mixed depth wheelsets with deeper rears and two mid-depth circa 65mm pairs to serve as more rounded options and to see if deeper is always faster. As with any wheel test, we`re looking for speed, stability in crosswinds, effective all-weather braking and high lateral stiffness for handling and response. While speed is the priority here, braking performance and especially stability are key to ensuring that you can use your best wheels confidently regardless of the conditions. How we tested Wind tunnel testing Enve 7.8 Price: £3,100 / $2,700 / AU$TBC Weight: 1,696g Zipp 808 NSW Price: £2,350 / $3,400 / AU$TBC Weight: 1,795g HED Jet 6.9 Price: £1,600 / $TBC / AU$TBC Weight: 1,722g Knight 95 Price: £1,849 / $TBC / AU$TBC Weight: 1,896g DT Swiss 65 RRC Price: £2,000 / $3,090 / AU$TBC Weight: 1,659g Mavic CXR 80T Price: £2,050 / $2,899.90 / AU$TBC Weight: 1,723g Vision Metron Price: £1,749 / $TBC / AU$TBC Weight: 1,823g Profile Design Twenty-Four 78 Price: £1,800 / $TBC / AU$TBC ...
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