Merchandise

Merchandise

Racing chassis and powertrain components, designed to deliver a comprehensive racing solution.
• Full-category coverage
• Tournament‑grade quality
• Customized adaptation

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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Merchandise

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.

Achieving the perfect balance between powerful performance and lightweight design.

Achieving the perfect balance between powerful performance and lightweight design.

Merchandise

• Core Advantages

TracTec, a sub-brand under DN, offers comprehensive chassis and powertrain solutions for motorsport. From suspension components—such as control arms, springs, and drive axles—to power‑transmission parts like clutches; from recovery equipment like winches to pneumatic systems including air compressors; and even the vehicle’s load‑bearing frame—every product is engineered and manufactured to race‑grade standards and rigorously tested in top‑tier events such as the Silk Road Rally and the Dakar Rally, ensuring unwavering stability and reliability under extreme conditions.

 

• Full‑category coverage: Includes racing‑related components such as gearboxes, winches, air compressors, spring machines, clutches, suspension control arms, chassis, drive axles, and more. 
• Race‑grade quality control: All products undergo rigorous testing and race‑day validation to ensure reliability under extreme conditions. 
• Customized production: We offer tailored solutions that align with the event type, vehicle model, and rider requirements.

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Merchandise

Performance technology products

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

Technical Highlights

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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.

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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.

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

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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.

 

TT100 Dual-Motor Winch

The TracTec TT100 is a dual‑motor, industrial‑grade winch designed specifically for high‑load rescue operations and event‑support applications. Equipped with two DS‑1280 motors and a three‑stage planetary reduction system, it features pneumatic clutches and brakes to deliver smooth, precisely controlled traction even under extreme conditions. Its fully enclosed, waterproof design (IP67) and a range of gear‑ratio options meet diverse requirements, from off‑road rescue to professional racing.

 

TT90 dual-motor winch

The TracTec TT90 is a lightweight, dual‑motor winch designed specifically for competitive racing. Featuring a dual‑motor powertrain and a three‑stage gear reduction system, it offers optional gear ratios—standard 84:1, +30% at 63:1, and +60% at 53:1—ensuring consistent, robust pulling performance even in the most demanding race conditions. Its lightweight design and availability of 12V or 24V motor options make it well suited to a wide range of applications, from high‑intensity motorsport to rugged off‑road rescue operations.

 

Four-cylinder rapid inflator

An efficient inflation device specially designed for off-road, large‑size tires and race‑day support. Its horizontally opposed four‑cylinder configuration delivers higher inflation efficiency, lower noise levels, and reduced power consumption, while a built-in 0.6‑liter air tank provides an emergency air supply for pneumatic tools. With an ultra‑high flow rate of 200 L/min and a maximum operating pressure of 200 psi, it effortlessly meets the demands of rapid tire inflation even in extreme conditions.

 

TracTec drive axle

A front and rear axle assembly engineered specifically for high‑intensity off‑road use and competitive racing. It features high‑strength carburized steel gears housed in a 7075 aerospace‑grade aluminum casing, paired with a center limited‑slip differential and an air‑actuated locking mechanism, delivering robust torque capacity while maintaining exceptional lightweight performance. The head gearcase can swivel up to 30°, offering flexible adaptation to diverse suspension configurations and chassis height requirements, ensuring consistent, stable power delivery even on the most demanding terrain.

 

J1724 Professional Racing Gearbox

A professional‑grade sequential gearbox engineered specifically for high‑intensity events such as off‑road rallies and drifting. Featuring a straight‑gear and dog‑ring engagement design paired with high‑strength carburized steel gears, it delivers rapid, precise shifts while handling engine torque up to 800 N·m. Its 7075 aerospace‑grade aluminum housing offers exceptional strength and lightweight performance, and when combined with an array of sensors and a limited‑slip differential, it ensures stable, controllable power delivery even under extreme conditions.

 

Electric Rapid Spring Assembly/Disassembly Machine

A specialized tool designed for the installation and removal of shock absorber springs on passenger cars, available in both electric and manual versions. It employs a hydraulic jack and an automatically extending rod working in tandem, paired with a sliding flange bearing and a smooth guide shaft, to ensure smooth compression and release of the spring. A large‑arc support base and a fixed mounting plate guarantee operational stability, effectively minimizing handling risks.

 

Clutch

TracTec’s high-performance three‑plate clutch assembly is engineered specifically for high‑torque racing powertrains. Its three‑plate friction design delivers crisp disengagement and efficient power transfer, minimizing power loss and ensuring precise gear changes and long‑term stability even under demanding driving conditions.

 

Race‑grade reinforced rear arm

Made from high-strength alloy steel with a yield strength of 1000 MPa, and crafted on a precision welding platform by highly skilled welders, this design significantly enhances the rear suspension’s overall stiffness and impact resistance, ensuring stable longitudinal force transmission during jumps and over challenging terrain, while optimizing rear-wheel tracking.

 

Race‑grade reinforced front control arm

Made from high-strength alloy steel with a yield strength of 1000 MPa, and crafted on a precision welding platform by highly skilled welders, this design significantly enhances the rear suspension’s overall stiffness and impact resistance, ensuring stable longitudinal force transmission during jumps and over challenging terrain, while optimizing rear-wheel tracking.

 

Pre‑upgrade upper control arm for racing use

Utilizing 1000 MPa‑grade high‑strength alloy steel and precision welding to ensure structural consistency, coupled with optimized front‑suspension geometry, this design markedly enhances lateral support in corners and steering responsiveness, providing a robust chassis foundation for spirited handling.

 

Race‑grade reinforced front control arm

Using a yield strength of 1000 MPa and leveraging a precision welding platform and highly skilled welders, the front suspension’s impact resistance has been specifically enhanced, while chassis rigidity and handling stability under extreme off-road conditions have been improved.

 

Frame

It strictly complies with FIA safety standards, utilizing high‑strength seamless steel tubing and manufactured on a precision welding platform by highly skilled welders. While significantly enhancing body torsional rigidity and handling responsiveness, it also provides occupants with reliable crash protection, serving as the dual cornerstone of safety and performance in extreme motorsport events.

Countless championship titles

For many years, numerous Chinese and international rally teams have consistently placed their trust in Doner shock absorbers, repeatedly securing top-three overall finishes and class victories in premier events such as the Tengger Rally, the Silk Road Rally, and the Dakar Rally, thereby fully demonstrating their outstanding performance and exceptional reliability.

2014

2014

We have introduced cutting-edge international vibration‑reduction technologies and established in-depth collaborations with overseas technology partners, laying a solid foundation for independent research and development.

2016

2016

Guangzhou DN Suspension Technology Co., Ltd. was officially established, concurrently setting up an R&D center and maintaining close collaboration with racing teams to dedicate itself to product development.

2022

2022

At the driver clinched the UTV Club Cup title, the Women's Class title, and runner-up honors in the Modified Class, underscoring his prowess across multiple racing disciplines.

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