Great news! Sakya carbon wheels have obtained the UCI (Union Cycliste Internationale) certification.Check out the official approval below:
700C UCI approved road bicycle disc brake carbon wheels SA-RD03
Sakya Carbon’s PFD50-1 wheel set has successfully obtained the homologation certification from the Union Cycliste Internationale (UCI), the global governing body for cycling. This certification validates the wheel set’s compliance with UCI’s strict technical and safety standards, enabling its use in UCI-sanctioned competitions.

UCI Testing Methodology & Results
UCI Testing Standards
As outlined in Article 1.3.018 of the UCI Regulations, the mandatory standards for wheel impact testing are:
• UCI impacting energy: 40J
• UCI impacting radial deformation: ≤1mm
• UCI impacting lateral deformation: ≤1mm
Sample Rim
| Model | Inner/Outer Width | Depth | Weight | Spoke Hole |
| PFD50-1 | 19mm/26mm | 50mm | 460g | 24H |
Test Results
The wheel set underwent the impact test specified in Article 1.3.018 of the UCI Regulations, with the following testing parameters and results:
| Striker weight: | 10kg | original radial profile | after impact | deformed |
| 0.18mm | 0.19mm | 0.01mm | ||
| Striker height: | 400mm | original lateral profile | after impact | deformed |
| 0.15mm | 0.18mm | 0.03mm |
Apply 40J force, rim without any damage.

The PFD50-1 wheel set’s deformation values (0.01mm radial, 0.03mm lateral) are far below the UCI’s maximum allowable limits, demonstrating exceptional structural integrity and safety performance.
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