Vega A21 RS Dynamo SP

Dynamo: Shutter Precision 6V - 3W

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Configura y personaliza tus ruedas.

Nuestro configurador te ofrece la posibilidad de elegir tú mismo el equipamiento y el diseño de tus llantas, sin ningún coste adicional respecto a un juego de llantas de serie.
Es muy sencillo: cambia a tu gusto los acabados, la carrocería y los neumáticos. Con cada modificación, se actualizan la foto, la ficha técnica, el peso y el precio.

Ventajas tecnológicas.

Dynamo hub

Shutter Precision PL-7

Dynamo hub designed to maintain powerful lighting while preserving travel speed. The system generates 6 V/3 W with a high efficiency that limits energy loss, even when the lamps are drawing their maximum power. Voltage build-up is rapid, ensuring stable lighting even at intermediate speeds. Drag remains low thanks to magnetic optimization that reduces internal resistance, useful for extended outings where every watt counts. Regular power output avoids fluctuations in luminosity and guarantees reliable operation over varied terrain.

6066 T6 alloy wheel

The signature of a top-of-the-range aluminum wheel.
At Prymahl, every detail counts. Our welded 6066 T6 alloy wheels embody the demand for precision and performance. Stiffer and stronger than conventional 6061 aluminum, 6066 ensures long-lasting mechanical strength and improved fatigue resistance.

The welded seam and T6 heat treatment create perfect structural continuity: reinforced lateral rigidity, optimal tubeless sealing and impeccable finish. The result? A stable, reliable and durable rim, designed for consistent performance over thousands of kilometers.

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 to 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.

Ultralite spokes

Lively and efficient with every pedal stroke.
Ultralite spokes reduce rotational inertia for a responsive, agile wheel. Their low weight enhances acceleration and facilitates relaunching, while maintaining sufficient longitudinal stiffness for efficient power transfer.

Solid and reliable, they are designed for demanding cyclists looking for the perfect balance between lightness, performance and durability, whether in the mountains, over long distances or in intensive use.

J-bend

Proven reliability and easy maintenance.
The J-Bend pull is based on a classic, tried-and-tested design, where the spoke head forms a bend to anchor itself in the hub. This configuration provides a controlled flexibility that promotes component longevity and resistance to repeated stress.

It also facilitates spoke replacement and maintenance, an asset for cyclists who value practicality and long-term reliability. A robust and versatile solution, ideal for intensive use or travel.

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 uniform 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 hit the road.

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.

Technical specifications

Weight
Weight: 1,695 g
Max. weight System: 120 kg

Rims
Material: Aluminium
Diameter: 700 mm
Height: 21 mm
External width: 23 mm
Internal width: 19 mm
Tubeless: Yes
Hooks: Yes
Minimum tire size: 25 mm

Hubs
Hubs: Prymahl RS
Bearings : Steel, CNC-machined to 1/1000 mm
Engagement system: Ratchets
Axes: Front 15 x 100 m, rear: 12 x 142 mm
Brakes: Centerlock discs

Rays
Spokes : Ultralite round
Material: Stainless steel
Tension: J-bend
Nuts : Brass
Number: 20 forwards, 24 backs