
RPK Group eBike solutions
Your ideal partner for springs and stamping to achieve peak performance in eBikes
The RPK Group recognizes the challenges presented by the ever-changing landscape of mobility. As proof of this understanding, we create inventive solutions that are customized for developing markets, such as eBikes, which are becoming more prevalent in urban areas. These solutions are also designed to meet the high-performance requirements of riders who face the most extreme conditions.
From urban eBikes to MTB eBikes, our custom solutions in compression springs, torsion springs, tension springs, contact springs, wave springs, and washers ensure optimal performance for your application.
SPRING APPLICATIONS IN EBIKES

- Drive unit: compression springs & wave springs
- Battery: contact springs
- Throttle return & clutch: wave springs & washers
- Pedal & pedal assist sensor: torsion springs & compression springs
- Derailleur: tension springs, wave springs & washers
- Suspension forks: compression & torsion springs
- Brake system: tension springs & torsion springs
- Saddle & Seatpost: wire forms & compression springs
- Wheels & Hubs: compression & wave springs
ENGINEERING EXCELLENCE FOR YOUR EBIKE
- Lightweight components enhance agility and maneuverability, making it easier for riders to perform to their fullest potential
- Durability solutions that withstand daily use, even in challenging conditions
- Dynamic performance due to R&D in materials and processes
- Solutions that ensure maximum efficiency in harsh conditions, including shock and vibration, humid and challenging environments
At RPK Group, we are more than a company; we are a community fueled by a love for cycling and deeply rooted in Euskadi's traditions. As we move forward, our commitment to our land and its cycling legacy remains strong, ensuring that the wheels of tradition continue to turn for generations to come.