ERS Springs Specifications
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Technical Overview of the Eibach ERS Racing Spring Range
The Eibach ERS (Eibach Race Spring) range is engineered for professional motorsport and advanced suspension development, providing highly consistent linear-rate coilover springs for use with adjustable dampers.
ERS springs are manufactured to strict dimensional and rate tolerances, making them suitable for repeatable chassis setup work, data-driven tuning, and high-load competition environments.
Application in Motorsport & Performance Suspension Systems
ERS springs are designed for use with motorsport dampers and coilover assemblies, including monotube and twin-tube designs from leading manufacturers.
typical applications include: circuit and endurance racing, time attack and sprint events, rally and rallycross, drift and grip-focused competition builds,
bespoke coilover and damper conversions. Their compatibility with standardised spring inner diameters allows direct fitment to most professional damper platforms without modification.
Linear Rate Characteristics & Suspension Behaviour
All Eibach ERS springs feature true linear spring rates, meaning the force required to compress the spring increases at a constant rate throughout its travel. Technical advantages of linear-rate springs: predictable wheel rate calculation, consistent damper valving response, accurate corner weight and cross-weight adjustment, reliable correlation between setup changes and on-track behaviour, linear springs are essential when tuning: mechanical grip balance, aero platform control roll stiffness distribution, bump vs rebound damping curves.
Dimensional Accuracy & Rate Consistency
ERS springs are produced with precisely controlled free lengths, tight inner diameter tolerances, minimal rate variance between batches. This ensures correct preload range without coil bind, accurate ride height adjustment, Interchangeability during testing without recalibration. For motorsport teams, this consistency is critical when replacing springs during events or making incremental setup changes between sessions.
Material Specification & Manufacturing Process
Eibach ERS springs are manufactured from high-grade spring steel, using advanced cold-forming techniques to achieve optimal grain structure and fatigue resistance.
Key manufacturing processes include: precision cold winding, multi-stage heat treatment, shot peening to reduce surface stress, corrosion-resistant surface coating.
These processes deliver: High resistance to sagging under sustained load, long fatigue life in high-frequency compression cycles, stable spring rates across repeated heat cycles
Spring Rate Selection & Setup Considerations
When selecting an ERS spring, key parameters to evaluate include: Static and dynamic corner weights, available damper stroke, target ride height and rake, intended operating environment (smooth circuit vs rough surface) tyre construction and compound, aero load at speed. In professional setups, ERS springs are often paired with: Tender or helper springs to maintain droop adjustable spring perches for fine preload control, damper re-valving to match spring rate changes.
Advantages of the ERS Range for Professional Users
The ERS range is particularly suited to:
Motorsport teams requiring repeatable setup data,
Workshops building custom coilover solutions,
Drivers who frequently change spring rates for different circuits,
Suspension engineers tuning chassis balance at a granular level,
The breadth of available rates and lengths allows changes to be made in controlled increments, reducing guesswork during setup development.
Why Source Eibach ERS Springs from EibachShop.co.uk?
Genuine Eibach ERS racing springs
Comprehensive UK-based stock holding,
Fast dispatch for time-critical motorsport use,
Technical product knowledge and application support,
Suitable for professional and advanced enthusiast use,
Whether used for baseline setup or ongoing development, Eibach ERS springs provide the consistency and predictability required for serious chassis tuning.
