Reynolds Sixty Six C Clincher Wheelset
- Item: REY0109 Actual Weight:"Actual Weight" means we weighed this item ourselves. 1627 g
We're not sure if it falls under forgotten lore, but Reynolds created the first carbon clincher wheelset. And while it's had to rough out the problematic learning curve of carbon clincher design like everyone else, the days of weak braking power and poor aerodynamics are over. With the Sixty Six C Clincher Wheelset, Reynolds has created a true rival to the tubular. So, you'd better give your local mechanics their holiday tip now, because they won't be gluing on your tubulars anymore.
In fact, in terms of weight, the Sixty Six tips the scales around 1620 grams. And when compared to comparable clincher rim depths, the Sixty Six comes in at a weight close to both the Zipp Firecrest 404 and Enve SES 6.7s. How was it done? With Reynolds' CR6 Hybrid Carbon, of course. This is the same carbon fiber found in the Aero line of wheels. It's used in both lines because it allows a high level of torsional and lateral rigidity without the detriment of stacking grams. And for the Aero line, its light weight and high tensile strength keeps the weight of a 26.2mm wide rim down.
So, when used on the Sixty Six's maximum width of 20.8mm and a rim depth of 66mm, rotational weight becomes almost negligible. So, it can be asserted that while the Sixty Six's aerodynamics play a vital role in its design, it hasn't undergone the same extensive DET tunnel-testing as the Aero series. However, like the RZR 46, the Sixty Six has received Reynolds' Swirl Lip Generator (SLG) technology. It's easy to miss, but the leading edge of the rim features a 0.9mm lip in order to widen it near the spoke face. Accordingly, this minimizes pressure drag by reducing side forces on the rim, which reduces drag by 20% at a yaw angle of ten degrees. So with aerodynamics out of the way, Reynolds turned its attention to the paramount task of engineering responsiveness. And along these lines, you'll find that the wheels roll up to speed quickly, and demand less user-force to keep them there. Additionally, its exceptional stiffness-to-weight ratio guarantees a nimble reaction to your force when you need to sprint back into Zone 3.
Now, while the Aero and Sixty Six differ in functionality, both wheels are constructed with the same proprietary carbon technology. The recipe consists of three technologies -- Hybrid Modulus Laminate (HLM), Variable Resin Chemistry (VRC), and Inert Gas Compaction (IGC). Basically, these three systems work harmoniously to construct the Sixty Six. HLM is a method used to assign specific carbons and layups at different points of the rim. So, through this method, Reynolds placed different carbons and layups at the tire channel, brake track, side wall, internal nipple bed, and spoke face. Then, with VRC, Reynolds' exclusive resins bond the different laminates into a single structure. And lastly, IGC is used to mold and cure the rim in what Reynolds deems as the most ideal of environments. As a result of this construction process, the Sixty Six is strengthened at strategic points, and benefits from a light overall weight. Additionally, the wheel's layup provides high levels of lateral and torsional rigidity under load.
With the Sixty Six, Reynolds also addressed an all-too-common ailment to carbon wheels -- poor braking. The solution was found through the development of what Reynolds calls its Crynogenic Glass Transition Braking System (CTg). Essentially, this is a patented braking design that required both a redesign of the brake track laminate and pads. Accordingly, CTg uses a temperature-conductive laminate at the brake track's transition points that withstands higher levels of heat than typical carbon laminates. And when paired with Reynolds' polymer Cryo Blue brake pads, braking becomes more predictable and requires less finicky feathering on fast descents.
For the actual build, Reynolds used 16 radial-laced DT Swiss Aerolite spokes in the front and 20 spokes in a two-cross, drive-side pattern at the rear. These have been laced to DT Swiss straight-pull hubs, and the wheels attach with Reynolds' new camlock quick-release skewers. Please note that while the Sixty Six's internal nipples decrease your drag footprint, truing the wheels will require a Reynolds-specific internal spoke wrench.
The Reynolds Sixty Six C Clincher Wheelset is available in the color Black with White labels and in a clincher configuration. Please note that the rear wheel is offered with either a Shimano or Campagnolo 11-speed. Also, every wheelset includes two pairs of Reynolds Cryo Blue Brake Pads. Reynolds recommends only using its proprietary pads, and the use of any other brake pads will result in a void of your warranty.