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ENVE Launches New SES Disc Wheel

ENVE continues to expand their Smart ENVE System (SES) line of aerodynamically optimized road and triathlon wheels with the introduction of the new SES Disc.

The SES Disc is the result of nearly a two year development project and promises to deliver best in class aero performance for elite amateur and professional athletes looking for the absolute fastest rear wheel”, says ENVE. 

The SES Disc features a unique one-piece molded construction that is free of bonding with the exception of the hub shell. At the center of this  one-piece molded construction is a machined PMI core sandwiched between Spread Tow Carbon Fibers. This construction method strengthens the wheel considerably while also saving weight, allowing the SES Disc to weigh in at an impressive 1225 grams.

ENVE has long touted their open spoke model deep section rear wheels as a real substitute for a solidrear disc. ENVE’s VP of Product and Consumer Experience Jake Pantone commented, “It is true that ourSES 7.8 rear wheel is a faster/better solution versus a solid rear disc for most athletes. It really comes down to the course profile, their level of experience, and the average speeds that the rider will achieve. For riders that will average over 27mph/43kph, a rear disc will prove a faster solution on certain courses.If you’re riding under those speeds, the SES 7.8 will be a faster solution as it was developed and optimized for the lower average speeds that your typical elite long distance triathlete will see over 112miles.”

Like all SES wheel models, the SES Disc is tubeless compatible. “Tubeless compatibility proved to be achallenging proposition in the development of the SES Disc, but given the performance advantages inherent to tubeless, it was a performance requirement for this project. The bead stiffness of a quality tubeless compatible road tire applies enough pressure to the rim that it relieves laminate tension and the wheel moves out of dish. We solved this problem through a combination of laminate design and tooling offset so that when a tubeless tire is installed and inflated, the wheel moves into dish,” stated Engineer Clint Child.

The SES Disc wheel model is available in both rim and disc brake specific designs. The rim brake version features ENVE’s full carbon, molded-in texture, brake tracks that allow for 30% less braking force at the lever to achieve the same braking power as a non-textured carbon braking surface. Additionally the brake track’s texture allows for near equal braking performance in both wet and dry conditions.

The SES Disc rim brake model features a hybrid carbon/alloy hub with the non-drive hub shell being constructed of uni-directional carbon fiber while the drive-side hub shell is machined aluminum for precision integration of the driver body, and its 40t ratchet style drive mechanism. The disc brake model is Center Lock compatible and features the same 40t ratchet style hub, but with a full alloy construction. The hub design delivers responsive acceleration and reliable performance over time.

The SES Disc is covered by ENVE’s 5 Year Warranty and will retail for 2700 USD and 2875 EUR respectively. The SES Disc will begin shipping at the end of October to ENVE distribution and retail partners worldwide

The disc brake version will begin shipping at the end of November to ENVE distribution and retail partners worldwide.

more from ENVE…

The SES Disc wheel is the outright fastest rear wheel available. It is the culmination of nearly five years of development. During this process we considered not onlyaerodynamics but also rolling resistance, braking, and ride quality. The SES Disc is available as a tubeless clincher in both rim and disc brake models.

Beyond 27mph, at the high speeds experienced by professionals and the best amateur cyclist, a rear disc wheel is the most aerodynamic solution. Every aspect of efficiency must be considered at these speeds, and we spared no expense in development.

Some will ask why it has taken so long for ENVE to develop a rear disc. Simply, we only wanted to make a disc that delivers a significant step forward in performance and ride quality over our flagship SES 7.8. We took our time to get it right. To achieve the bar-raising performance of the SES Disc, we developed every aspect: aerodynamics, tubeless compatibility, construction, and braking. 

Like all SES products, the SES Disc was developed using state-of-the-art Computational Fluid Dynamics analysis by our long-term partner and consultant aerodynamicist, Simon Smart of Smart Aero Technology. Prototypes were assessed in the Mercedes-AMG Formula One wind tunnel and the subtle shape iterated to deliver class-leading aerodynamics at high race speeds.

Key Features 

  • Weight >1300g
  • Internal Width 19m
  • External Width 27mm
  • Tubeless tire compatibility
  • Spread tow sidewall construction
  • PMI sidewall core
  • One-piece molded construction
  • Molded textured brake track
  • Molded valve window
  • Optimized for 25mm tires

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