Polaris C30 X

Polaris C30 X are carbon XC MTB wheels designed for riders seeking maximum performance on all terrains. Their Straight Pull X hubs offer exceptional lateral rigidity and stability, while Ratchet technology transmits every watt instantly, guaranteeing rapid engagement and lively relaunching, even on climbs or technical terrain. Aero carbon spokes combine lightness, stiffness and aerodynamics, for optimum power transfer and immediate response to every pedal stroke. Solid and responsive, these wheels are designed for precise handling, high performance and the maneuverability required for competition, offering a decisive advantage on every XC course.

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Technologische Stärken.

UML Molding rims

UML, structural precision for performance.
The results of months of research have led us to develop a new fiber molding technique called UML for Unique Matrix Layup. The carbon sheets are assembled on the rim in a single operation around a single matrix. There are no joins, no residues, no unnecessary overlaps, just pure, flawless fiber.

This new version of our in-house mold enables uniform fiber compaction under pneumatic pressure across the entire rim.

Hooked Tubeless System

Safety. Precision. Confidence.
Hooked Tubless System (HTS) technology combines the advantages of tubeless tires with the enhanced safety of a hooked rim. Thanks to precision-molded internal hooks, the tire is perfectly locked onto the rim, offering superior lateral stability, even at low pressure or when cornering.

This makes tubeless mounting perfectly reliable, with no risk of shifting. This design guarantees a perfect fit, better shock absorption and a greater feeling of control. Thanks to HTS technology, every ride gains in safety, performance and riding pleasure.

Hub X

Top-of-the-range, lightweight and absolutely precise.
The X hub is the flagship of the Prymahl range. Specially developed for carbon spokes, it uses Straight Pull for perfectly controlled tension and exceptional lateral rigidity. Its ultra-precise CNC machining and optimized flange architecture deliver impeccable stability, while keeping the weight down.

Designed for the most high-performance assemblies, it combines remarkable fluidity, durability and advanced technology, for cyclists looking for a high-end base without compromise.

Ratchet technology

Instant engagement and power transfer.
Ratchet technology guarantees direct transmission of every watt, thanks to a gear system with precision-machined crown gears. Unlike traditional ratchets, simultaneous tooth contact ensures even force distribution, superior reliability and reduced wear over time. The angle of engagement delivers sharp, crisp relaunching, ideal for climbing, sprinting or technical terrain.

Fully sealed, the Ratchet mechanism withstands harsh conditions while maintaining remarkable smoothness. The result: a wheel that's responsive, durable and ready to deliver all your power with every pedal stroke.

Aero ultralite spokes

Light, dynamic and streamlined for speed.
Designed to optimize the ratio between weight, stiffness and aerodynamics, ultralite aero spokes offer a high-performance solution for road and racing. Their tapered profile effectively reduces air resistance, while maintaining excellent tensile stiffness.

Their light weight contributes to a more lively relaunch, ideal for climbing or sprinting with fluidity. A preferred choice for those who seek speed and precision, without compromise.

Straight Pull

Maximum rigidity and mechanical precision
Straight Pull eliminates the traditional bend at the spoke head, offering direct transmission of tension between hub and rim. This design reduces stress points and the risk of deformation, ensuring greater lateral rigidity and improved wheel stability over time.

Ideal for high-performance assemblies, it also provides more even tension and more precise geometry, for a wheel that's lively, stable and responsive with every pedal stroke.

Handcraft precision

Manual assembly, industrial precision.
At Prymahl, manual assembly is more than just a step: it's a guarantee of quality. To control every detail, we have chosen to carry out assembly in our factory in northern France, where tradition and technical excellence meet. Our technicians, true racking specialists, work with almost surgical precision, ensuring even tension and perfect alignment.

Each wheel is rigorously adjusted and checked at every stage to guarantee performance, durability and reliability. Handcraft Precision combines human expertise and industrial precision to create the perfect wheel.

Ready To Ride

Wheels delivered ready to roll.
With the Ready to Ride concept, every Prymahl wheelset is delivered ready to use. The rim tape, valve, tubeless fitting, tires and discs are already carefully installed in our workshop. There's no need for special preparation or tools: just fit them to your bike and you're ready to go.

This unique service guarantees easy assembly and a professional finish. Ready to Ride is the promise of performance and simplicity from the very first turn of the wheel.