FAQs

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FAQs

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Product Attributes

Shock absorbers are not responsible for bearing the vehicle’s weight—that is the role of the springs. Even for our 28-ton motorhome, the shock absorption performs excellently.

Maintenance is not required at 10,000 kilometers. Typically, maintenance is needed after 30,000 kilometers or more.

The electronic damping adjustment has 0-16 levels. Higher levels indicate greater force values. The response time is approximately 1 second.

  • Damping Technology: Compression in 6 stages, rebound in 5 stages, hydraulic impact, and nitrogen rebound. For more details about the principles of oil and nitrogen in damping, please contact us.
  • Materials: FUCHS blue oil, NOK high-pressure oil seals, Hallite O-rings, Teflon special tubing, and others. (We can share diagrams and material details upon request.)

  • The shock absorber tube and piston rod are made of steel.
  • Other components, such as the top mount, knobs, and nitrogen canister, are made of 7075 T6 aluminum.
  • The piston rod is chrome-plated.

  • Default nitrogen pressure: 150 PSI (1 MPa).
  • It can be customized up to 1.5 MPa based on customer requirements.
  • Recommendations for adjustments are made based on vehicle weight and terrain.

  • Valve Type: Bypass progressive valve.
  • Customization: Adjustments can be made for more precise damping control. (Electronic: 0-16 levels; Bi-directional: 24 levels.)

  • Standard spring rating: 700 lbs.
  • Spring capacity is determined by the vehicle’s weight. For example, springs can bear up to 2 tons without issue.
  • The standard front and rear springs can be tailored based on the vehicle’s weight.

Testing and Performance

  • Off-road Testing: Our professional team regularly tests every model in diverse terrains, including beaches, snowfields, highlands, bays, mountains, and rocky areas. (Videos are available upon request.)
  • High-temperature Testing: Equipped with specialized machinery, our R&D department tests durability under extreme temperatures and high-speed pressure. (Photos and test results can be shared after collaboration.)

Compression and rebound forces are tested at different speeds (0.1 m/s, 0.3 m/s, 0.5 m/s), showing consistency across cycles. Graphs illustrating these results are available.

Heat fade: At 135°C, the damping force decreases by 15%.

  • Heat fade: At 135°C, the damping force decreases by 15%.
  • Extreme conditions: Performance remains stable under extreme temperatures, ensuring consistent operation.

  • Each model is installed and tested on the ground.
  • Off-road testing is conducted in environments such as beaches, sand, and bays, with recorded results available.
  • We also participate in racing events, including snow races. (Videos available upon request.)

Yes, we frequently test in off-road and extreme conditions similar to Baja 1000. Contact us for video evidence of these tests.

Compatibility and Customization

  • Our shock absorbers are compatible with KDSS.
  • They are independent and do not interfere with the original suspension system.

Yes, we can customize the settings to allow more precise control over damping adjustments.

Service and Warranty

  • Warranty Period:
    • Within three months of installation, defective shock absorbers will be replaced free of charge (shipping costs borne by the customer).
    • Within one year, free repair parts are provided for non-human damage (shipping costs borne by the customer).
  • Failure Rate: Our failure rate is the lowest nationwide.
  • Return Policy:
    • If products are severely damaged due to logistics upon receipt, compensation or a replacement will be provided.
    • For issues during installation testing, warranty terms apply.

While our testing data involves proprietary technology and intellectual property, we can provide industry-standard certifications. Full reports (e.g., dynamic impact testing, fatigue durability, electronic system testing, material composition, and coating details) are shared with partners during collaboration. Thank you for your understanding.

What We Do.

Tailored to Perfection: G·SAI’s Process

We transform your performance needs into precision-engineered shock absorbers, ensuring exceptional durability and control through a seamless four-step customization process.

Requirement Consultation

Share your vehicle specifications, driving conditions, and performance goals, including damping force, spring rate, and material preferences.

Technical Design

Our engineers develop a customized shock absorber solution, optimizing internal structures, valve settings, and adjustability to meet your exact needs.

Precision Manufacturing

With advanced CNC machining and strict quality control, we produce shock absorbers that deliver superior durability and consistent performance.

Testing & Certification

Each shock absorber undergoes rigorous testing, including durability, performance, and real-world simulations, ensuring reliability in off-road, racing, and extreme environments.

Chat With Us.

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Next Step

1
Swift Response & Technical Consultation

Our team promptly acknowledges your inquiry, discussing your vehicle specifications, driving conditions, and performance needs to ensure a tailored solution from the start.

2
Tailored Solution & Transparent Quotation

We provide a detailed proposal outlining shock absorber specifications, customization options, and pricing, ensuring full transparency at every step.

3
Smooth Collaboration & Finalization

Once you approve the proposal, we finalize technical details, confirm timelines, and initiate the precision manufacturing process, keeping you updated throughout.