To fully evaluate performance, the UPVINE® team conducted extensive systematic testing at the Silverstone Sports Engineering Hub in the UK. This included comparative validation between the INERTIA 52 wheelset and UPVINE's wheelset Pro+60, Pro+50, and Light50 series. Testing strictly adhered to UCI standards and expanded to simulate extreme conditions
Wind Speed Gradient: 40km/h and 50km/h (Corresponding to common flat-road cruising and sprint scenarios in pro races)
Yaw Angle Range: 0°, 5°, 10°, 15° (Covering practical scenarios from tailwinds to strong crosswinds.)
Simulated Track: A virtual track model built from data of actual riding environments. (Please refer to the image below for the test results)
These data not only validate the superiority of the new design but also reveal a key principle: in high-speed scenarios at 50km/h, the aerodynamic profile design of the INERTIA wheelset's front wheel significantly enhances overall speed; and the rear wheel's optimization promotes smooth laminar flow, preventing the "smearing effect".
Balancing weight and aerodynamics is the core challenge. Our wind tunnel data indicates that for every 5mm increase in front rim height, an average power saving of 1.4W is achieved across a comprehensive yaw angle range of 0-15°. However, realizing this aerodynamic benefit is contingent upon rigorous CFD validation to ensure no compromise in crosswind stability.
This principle encapsulates our design philosophy: “CFD simulation without validation theory is ineffective, and optimization without an iterative closed loop is merely blind design.”
Tech Breakthrough: Surpassing Ourselves, Defining New Heights for Domestic Brands.
The UPVINE® team not only focuses on new product development but also demonstrates continuous technological advancement through rigorous comparative validation against previous-generation products.
Structural Innovation: A 21mm internal rim width, which pairs with 28c tires to form an “Aerodynamic Synergy System.”
Real-world installation demonstrates that this combination improves the tire-rim interface, reducing turbulent flow separation and lowering rolling resistance by 12%.
Enhanced Stability: Addressing the pain point of high-profile wheelsets being susceptible to crosswinds, the team optimized the lateral force distribution of the rim based on rider reaction time studies (0.5-2.0 second gust window). Wind tunnel tests confirm that in sudden gusts at a 10° yaw angle, the INERTIA wheelset's handling stability improves by
22%, significantly reducing the risk of rider over-compensating.
Self-Improvement: SSEH’s data conclusively shows our new INERTIA wheelset achieves a 0.017 reduction in CDA at 50km/h with 0°yaw angle compared to the previous generation. This aerodynamic refinement translates to time savings of approximately 26 seconds over a 40km flat segment. This breakthrough stems from our precise calibration of the ”Aero-Weight-Strength” triangle. While the Pro+60 model maintains a slight advantage at 15°yaw angles, the INERTIA series delivers superior all-around performance through strategic lightweight engineering (270g total weight reduction), particularly excelling in climbing and acceleration scenarios.
Data Source Note:
UPVINE® R&D’s SSEH Reports (2024-2025) & CFD simulations.
All tests: Identical setup (Conti AERO111/GP5000 tires, 56cm S-Works Tarmac, UCI protocol).
