Inverted shock absorber

The Champions’ “Secret Weapon”

Achieving the perfect balance between powerful performance and lightweight design.

Delivering full‑power performance for extreme off‑road rally sprints.

Lightweight construction effectively reduces unsprung mass.

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Inverted shock absorber data

Demonstrating exceptional accuracy in extreme scenarios:
The multi‑stage inverted shock absorber consistently delivers top‑tier performance in the world’s premier rally events. Drawing on decades of deep expertise, our team has meticulously optimized every component of this damper, laying a solid foundation for victory on the race track.

Achieving the perfect balance between powerful performance and lightweight design.

Multi‑damping shock absorbers: the key to clinching victory on the racetrack.

Customized Engineering

The multi‑damping shock absorber delivers consistent performance even in demanding conditions like sand, mud, and high‑speed jumps, standing up to the brutal rigors of off‑road rally racing.

Extreme Verification

In cross‑country rally racing, with relentless intensity, scorching heat, and blistering speeds, Donai shock absorbers deliver consistently reliable performance. In the toughest off‑road rallies, Donai shocks hold up from the start to the finish line—never letting you down.

550 Technical Highlights

Through in-house manufacturing and rigorous quality-control processes, we strive to achieve tighter tolerances and greater product consistency. This enables vehicles to deliver crisp road feedback and stable traction—our starting point for both products and services.

To ensure optimal performance on specific vehicle models, we conduct necessary measurements and make appropriate adjustments based on model‑specific data prior to delivery, enabling the upgraded components to deliver their full potential.

Our product lineup covers off-road motorcycles, dirt bikes, electric off-road motorcycles, and motocross bikes.

Our internal R&D efforts involve cross‑disciplinary development; these cross‑functional experiences and technological expertise broaden our perspective and provide valuable insights, which we leverage to drive continuous product improvement.