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Don't hold back.
If you're gonna go deep on deep-dish carbon hoops, you may as well not hold back. The tubeless, disc brake-equipped 65 Aero Carbon Wheelset isn't Reynolds' deepest option in the Aero family (hi there, Aero 80), but it does represent the ceiling that a lot of crit and circuit-race specialists balk at surpassing. The TT specialists and run/bike/swim crowd may disagree, but for the dedicated roadie, 65mm is about as deep as it gets.
Before going any further down the aerodynamic rabbit hole, though, consider the freehub. The new Aero wheels mark a significant departure for Reynolds. We've come to expect DT Swiss hubs on Reynolds wheels; however, these are built with Industry Nine hubs, instead, which up the engagement factor from "responsive" to "virtually instantaneous." Going with I9 also means that the hubs and the rims are all manufactured stateside—the hubs in North Carolina; the rims in Northern Utah.
But now to return to those deep rims. Aerodynamics aren't just about depth, of course—the science of speed runs, um, deeper than depth. Case in point: Reynolds' Dispersive Effect Termination (DET). DET Begins at the rim bed with a maximum width of 26.2mm, which brings the rim up to the tire's width and creates a generous cradle to glue it to. There are myriad benefits to this design, included reduced turbulence, which causes drag, and increased lateral rigidity and comfort. The rim's deep dish is shaped in a NACA-profiled, tapered V-shape that ends with a sharp trailing edge. The Aero's shape smooths airflow over the wheel, and when that air passes the spoke face, it's easily reattached at the rear of the rim to reduce stall. DET also means that this stall-free sweet spot extends to 20 degrees of yaw—a full 7.5 degrees more than the competition.
It's rare to have a real-world circumstance of straight-on air resistance. In reality, you spend 95% of your riding time between zero and 20 degrees of yaw with a wind angle anywhere from zero to 100 degrees in relation to the bearing. A lot of deep rims in this situation act as sails, pulling the bike sideways during sudden changes of direction in windy conditions—an effect that's far more noticeable when the rims get over 50 millimeters deep. You're choosing a deep rim because you want the aerodynamic benefits, but poor handling can make any speed gain come to nothing if you're thrown off the road or into another cyclist by sudden gusts.
While it's impossible to completely cure this ailment, Reynolds' rim-shaping DET distributes side forces (read: cross wind) so that the center of pressure is pushed beyond the center of mass. This means the pulling due to cross wind and the like is much less pronounced, and—while all deep rims are still affected by wind—the Aero 65 wheels are very predictable in how they respond, so you can ride confidently in windy conditions.
Since it's kind of jargony information, you may not be interested to know that DET's center of pressure maximizes the forward thrust vector (a quantity that has direction and magnitude) and the rim shape increases lift and decreases turbulent flow. But you'll definitely enjoy the forward thrust that all that jargon translates into on the bike. Essentially, this system works almost like a turbine, generating extra watts of propulsion from the wind.
Finally, we'll finish up the way every good ride should: with the brakes. Since it's equipped with disc brakes, the Aero 65 wheelset eliminates the most common complaint we hear (and make) about carbon hoops. Instead of pulsing, whiny, sketchy stops, the disc brakes provide perfect responsiveness, excellent modulation, and also knock out the fear of overheating and melting the rims during periods of extended brake drag.
- A wheelset for the dedicate crit and circuit racer
- Generous depth for huge aerodynamic gains
- DET aerodynamics shrug off drag at typical yaw angles
- Layup incorporates 6 different types of carbon throughout
- Industry Nine hubs are the new standard for bling
- Disc brakes eliminate the complaint of poor carbon braking
- Oh-so-stealth graphical treatment is swank as hell
- 12mm front and 12 x 142mm rear thru-axles convertible to 15mm and 10 x 135mm thru-axles with included end caps
- Item #REY002M