ProX Carbon Rims Production Process

1. CNC Prepreg Cutting Based on Layup Design

ProX always uses premium prepreg made from Toray T700, T800, T1100 carbon fiber. Each ProX carbon rim begins with a precisely engineered layup schedule, where fiber orientation and material distribution are carefully defined to achieve the desired balance of stiffness, strength, and weight. Using advanced CNC cutting technology, every piece of prepreg carbon is cut with exceptional accuracy, ensuring consistency across production and minimizing material waste. This digital precision forms the foundation of our performance-driven design philosophy.

2. Prepreg Sorting and Preparation

After cutting, all prepreg pieces are meticulously sorted and organized according to the layup sequence. Each layer is prepared under controlled environmental conditions to maintain optimal resin performance. This step ensures that every material is correctly identified and positioned, eliminating variability and preserving the integrity of the final structure.

3. Layup on Precision Steel Core

The carbon layers are then carefully applied by skilled laborsonto a precision-machined steel core. This stage is critical, as it directly defines the internal structure and strength of the rim. Every layer is placed with exact alignment, following the engineered fiber orientation to optimize load distribution and ensure long-term durability under real-world riding conditions.

4. Vacuum Forming of the Preformed Rim

Once the layup is complete, the assembly undergoes a vacuum forming process. Air is removed from within the structure, compacting the carbon layers tightly against the core. This step enhances fiber consolidation, reduces voids, and ensures a uniform internal structure—key factors in achieving a lightweight yet highly reliable rim.

5. Mold Cleaning and Preparation

Before molding, each mold is thoroughly cleaned and prepared to ensure a flawless surface finish. Strict quality control standards are applied to eliminate any contamination or residue that could affect the final product. This meticulous preparation guarantees both the structural integrity and the premium aesthetic of every ProX carbon rim.

6. Placement of Preformed Rim into Mold

The preformed rim is carefully transferred into a high-precision mold. This process requires exact positioning to ensure dimensional accuracy and alignment. Proper placement is essential for achieving the intended aerodynamic profile and maintaining tight manufacturing tolerances.

7. High-Pressure Thermal Molding

The molding process takes place under controlled high temperature and high pressure. During this stage, the resin is fully cured while the carbon layers are compacted to their final form. This results in a dense, void-free structure with exceptional strength-to-weight characteristics. The process is closely monitored to ensure consistent performance across every rim produced.

8. Demolding the Finished Rim

After curing, the rim is carefully removed from the mold. At this stage, the structure has achieved its final shape and mechanical properties. Each rim undergoes initial inspection to verify structural integrity and dimensional precision before moving on to the next stage.

9. Raw Carbon Rim with Non-Paint Finish

ProX rims feature a refined raw carbon finish, eliminating unnecessary paint layers to reduce weight while showcasing the authentic carbon fiber texture. This minimalist approach not only highlights the craftsmanship behind each rim but also aligns with a performance-first philosophy where every gram matters.

10. 4D Automated Drilling Process

The final step involves a fully automated 4D drilling process, where spoke holes are created with extreme precision in angle, depth, and position. This ensures optimal spoke alignment, even tension distribution, and improved long-term durability. The result is a rim that performs reliably under the demands of high-performance riding.