PD version, Dual Needle Valves

PD version, Dual Needle Valves

● Dual-needle-bar design: Both the upper and lower ends feature precision, slender needle bars, resulting in extremely low motion inertia and rapid response.
●50 mm piston diameter: Greatly enhances ride comfort and handling on challenging terrain.
● 2.2-inch large‑diameter cylinder: Increases damping capacity, effectively enhancing temperature resistance and anti‑degradation performance. Single‑tube design with internal nitrogen: ensures oil–gas separation, stable performance, and easy installation.

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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PD version
PD version
PD version
PD version
PD version
PD version

PD version, Dual Needle Valves

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.

PD Version, Dual Needle Bar · Core Advantages

Stability

Upper needle bar 
The slender, elongated needle rod at the top is lightweight and has low inertia, enabling it to respond instantly to road surface impacts.

Flexibility

Lower needle bar 
The lower portion features a symmetrical, slender needle rod with a secure connection, ensuring superior consistency in bidirectional motion.

Trip length

Round large barrel body

The cylinder body is equipped with multiple snap-ring grooves, allowing for free adjustment of the vehicle’s ride height and optimized handling.

Adjustment Option None

Sealing and Stability 
A specialized sealing structure, combined with a dual-needle-bar configuration, effectively prevents uneven wear and enhances stability.

Other

PD version

Performance technology products

PD version, spring-type

● A 50 mm piston diameter significantly enhances ride comfort and handling when tackling challenging terrain.
● 2.2-inch large‑diameter barrel design, increasing damping capacity and effectively enhancing temperature resistance and decay‑resistance.
● Single-tube design with built-in nitrogen, offering easier installation and more stable performance.

Product Showcase

Top Needle / Bottom Dial Adjustment

● PD-type needle‑top, round‑bottom vibration damper
● Needle‑type structure: A precision needle‑shaped piston rod at the top, with low motion inertia and direct response.
● Lower cylindrical section: A large-diameter cylinder at the bottom, providing a greater oil volume and more efficient heat dissipation.
● 50 mm piston diameter: Greatly enhances ride comfort and handling in challenging terrain.

Product Showcase

PD version, Dual Top Rings

● Dual-round-head design: Both the top and bottom ends feature precision‑molded circular connectors, ensuring even force distribution and excellent installation compatibility.
● 50 mm piston diameter: Greatly enhances ride comfort and handling in challenging terrain.
● 2.2 in (56 mm) damper body: Increases damping capacity, effectively enhancing temperature resistance and anti‑degradation performance.
● Single-tube design with built-in nitrogen: oil–gas separation, stable performance, and easy installation.

Product Showcase

PD version, With Coilover Spring on Strut Tower

● Tower‑top spring assembly: The top integrates a high‑durability spring with the tower‑top subassembly, featuring adjustable preload and robust support.
● 50 mm piston diameter: Greatly enhances ride comfort and handling in challenging terrain.
● 2.2 in (56 mm) damper body: Increases damping capacity, effectively enhancing temperature resistance and anti‑degradation performance.
● Single-tube design with built-in nitrogen: oil–gas separation, stable performance, and easy installation.

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

Civilian

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.

PD Version Dual-Needle Bar: Technical Highlights

 

Dual-needle bar symmetrical design


Both the upper and lower ends feature slender, needle‑like struts, with a symmetrical structure and no difference in motion direction. The exceptionally low mass of the moving components significantly enhances the suspension’s initial response speed, allowing even minor road irregularities to be swiftly absorbed.

Large piston and large cylinder body


A 50 mm large piston paired with a 2.2‑inch‑diameter cylindrical body significantly increases damping capacity. The cylindrical design promotes fluid flow and heat dissipation, effectively mitigating thermal fade and ensuring stable performance in challenging terrain.

Built-in nitrogen–oil–gas separation


A single-tube design with an internal nitrogen chamber ensures stable oil–gas separation. The nitrogen chamber is positioned in the middle or at the bottom of the cylinder, and the dual‑pin‑rod mechanism delivers linear damping force with excellent resistance to performance degradation.

Height-adjustable and durable protection


The cylinder body features multiple retaining‑ring grooves for easy adjustment of vehicle height. The high‑strength forged steel base, combined with a special surface treatment, offers excellent corrosion resistance and impact protection against sand and gravel. Backed by 6 million fatigue‑life test cycles, it has stood the test of time.

Ultimate driving control begins here.

All civilian-grade products

PD version

Value and Quality

PD version, Dual Needle Valves

Extra-large piston and cylinder body

Equipped with a 50 mm‑diameter piston, it effectively handles challenging terrain, significantly enhancing ride comfort and steering precision. Additionally, its 2.2‑inch large‑diameter cylinder design greatly increases the damping fluid capacity, improving heat resistance and anti‑fade performance to ensure consistent, stable operation even under prolonged or high‑intensity use.

Built-in nitrogen and monocular technology

Featuring a single-tube, internally pressurized nitrogen design, this shock absorber is not only easier to install but also delivers stable, reliable performance. Compared with the original oil‑gas hybrid shock, it has been upgraded to an oil‑gas separation configuration, with an enlarged cylinder and piston, offering a broader damping adjustment range and sustained damping force, thereby enhancing both everyday ride comfort and handling during mild off‑road driving.

Flexible height adjustment and reinforced base

The cylinder body features multiple retaining‑ring grooves on its exterior, allowing you to easily adjust the vehicle’s ride height and optimize its stance as needed. The lower mount is crafted from high‑strength forged steel and undergoes a specialized surface treatment, delivering exceptional corrosion resistance and outstanding impact‑resistance to sand and gravel—withstanding even the harshest road conditions with unwavering durability and reliability.

Rigorous Testing and Everyday Usability

Backed by 6 million fatigue‑life test cycles, this product delivers long‑term durability. Its proprietary sealing design further enhances damper stability. As an entry‑level offering, it combines exceptional value, easy installation, a balanced blend of comfort and handling, maintainability, and resistance to performance degradation—making it ideal for daily commuting, light off‑road driving, and road trips.

PD version
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