Springs and stamped & bent metal parts for bikes and eBikes
Bike and eBike

Bike and eBike

Springs and stamped & bent metal parts for bikes and eBikes

At RPK Group, our journey has always been closely tied to cycling. A deep connection to our roots and the cycling legacy of Euskadi has shaped our mission to support riders with innovative engineering solutions. We specialize in developing high-performance springs and stamped & bent metal components designed to meet the diverse demands of cyclists—from those tackling extreme conditions to riders seeking maximum comfort and reliability for their road bikes, urban bikes, MTBs, or eBikes.

Engineering Excellence: At RPK Group, we design lightweight, durable components that enhance agility and endure tough conditions. With advanced R&D in materials and processes, our solutions ensure dynamic performance and efficiency under shocks, vibrations, humidity, and rugged terrains.

Contacta con el equipo de bikes

Frequently Asked Questions

What bike and eBike components does RPK Group make springs and parts for?

RPK Group supplies custom springs and metal components for the drive unit, battery, throttle return and clutch, pedal and pedal-assist sensor, derailleur, suspension forks, brake system, saddle and seatpost, and wheels and hubs.

Can RPK Group supply both mechanical and electrical components for an eBike?

Yes. RPK Group makes springs and stamped parts for the bike's mechanical systems, as well as contact springs and conductive components for the electric drive and battery system, so both can come from one partner.

How does RPK Group make bike components that last in wet and rough conditions?

RPK Group selects corrosion-resistant materials and coatings and validates fatigue life under repeated shock and vibration, ensuring components withstand humidity, dirt, and rugged terrain.

Which springs are used in eBike suspension and brakes?

RPK Group manufactures compression, torsion, tension, wave, and contact springs used across suspension forks, brake systems, and other bike mechanisms, designed to the specific force and travel requirements.

Can RPK Group help reduce the weight of a bike component?

Yes. RPK Group optimizes material and geometry to meet the strength and fatigue requirements at the lowest practical weight.

Does RPK Group develop custom solutions for new eBike platforms?

Yes. RPK Group co-develops custom springs and metal components with bike and eBike manufacturers from prototype through production.

Get the most out of our expertise in the bike industry

Our engineers work alongside our customers to find the best solution for them, applying scientific methods and knowledge accumulated over almost 50 years.

Related news

Do you need help for your next project?

Contact our engineering and sales teams. We will help you find the best solution for your applications.

+34 945 25 77 00

Contact us