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.
Spring applications in bikes and eBikes
Wave Springs
Compression Springs
Sheet metal bending and stamping
Tension Springs
Torsion Spring
Canted Coil Springs
Constant Force Spring
Power Spring
Contact Springs and Contact Parts
Accordion Springs
Wire forms
Ring and seals
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.
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Multislide offers unmatched flexibility, repeatability, and efficiency for high-volume, complex metal part manufacturing
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Canted coil springs: precision, reliability, and performance
Beveled contact springs are essential components that ensure reliable electrical and mechanical connections in demanding environments. Their design, featuring inclined coils and flattened edges, enhances conductivity, sealing, and durability.
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RPK Group, Udapa, and Club Ciclista Zuyano Join Forces to Promote Women's Cycling
A project with Club Ciclista Zuyano gives young female cyclists from Álava, aged 14 to 16, a chance to compete in their home province, fostering women's sports and helping them balance education and athletics.
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RPK Group Showcases Innovations at Eurobike 2024
Our colleagues Álvaro García, Iñigo Fernández de la Peña and Jon de la Presa were in Frankfurt last week for Eurobike.
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RPK Group eBike solutions
Your ideal partner for springs and stamping to achieve peak performance in eBikes
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