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F2905700
HongPro
F2905700
This shock absorber is engineered to enhance driving comfort and safety. Constructed from premium materials with precision manufacturing, it effectively dampens road impacts and minimizes body roll, ensuring consistent tire contact with the road. This significantly improves handling stability and can contribute to shorter braking distances.
The product undergoes rigorous endurance testing, boasting a service life that exceeds industry standards. Its internal design features high-quality hydraulic fluid and a precision valve system, delivering stable and linear damping force for an optimal balance of comfort and support. Whether navigating city streets or challenging road conditions, it guarantees quiet, smooth, and reliable performance.
Certified under the ISO International Quality System, this shock absorber is the ideal choice for drivers seeking superior ride quality and enhanced safety.
Our shock absorbers are engineered for outstanding longevity, rigorously tested to perform beyond market standards. The incorporation of a multi-stage precision-chromed piston rod and wear-resistant alloy bushings effectively combats scuffing and corrosion. Internal testing data confirms the product withstands over 50,000 fatigue cycles under simulated harsh road conditions without performance degradation, ensuring long-term, reliable service and reducing replacement frequency for end-users.
A core strength lies in our precisely calibrated damping valve system. Optimized through computer simulation and extensive road testing, it generates a linear and stable damping force. This ensures optimal tire contact with the road across diverse conditions—from smooth highways to uneven backroads—enhancing cornering stability and contributing to shorter braking distances during emergencies for improved safety.
We insist on using high-quality low-temperature hydraulic oil and high-strength sealing components. The premium fluid maintains stable viscosity across extreme temperatures (-40°C to 120°C), preventing damping force fade. Coupled with multi-layered Teflon seals, it eliminates the risk of oil leakage. Together, these materials efficiently filter out high-frequency road vibrations, delivering a quiet, comfortable, and OEM-like ride experience.
Every single shock absorber undergoes 100% performance testing to ensure its damping force curve meets strict specifications. Our manufacturing system is certified under the ISO 9001 International Quality System, adhering to automotive industry standards. This provides a traceable quality record from raw material to finished product, offering peace of mind with quality equivalent to original equipment parts.
| Parameter Category | Technical Specification Details | Standards & Notes |
| Core Dimensions | - Extended Length: 510 mm ± 2mm - Collapsed Length: 330 mm ± 2mm - Stroke: 180 mm - Mounting Type: Upper eyelet, lower fork | - Dimensional tolerances conform to ISO 2768-m standard. - Ensures perfect fitment and direct installation for targeted vehicle series. |
| Performance Data | - Rebound Damping Force: 1280N ± 50N (@ 0.3m/s) - Compression Damping Force: 420N ± 40N (@ 0.3m/s) - Operating Temperature Range: -40°C to +130°C | - Test Standard: SAE J343. - Damping force is precision-tuned for an optimal balance of handling stability and ride comfort. |
| Materials & Craftsmanship | - Piston Rod: High-strength chrome-molybdenum steel with double-chromium plating (Thickness ≥ 25µm) - Cylinder Tube: Precision cold-drawn steel tube with mirror-finished inner wall - Sealing System: Imported PTFE compound main seal with Teflon guide bushing | - Extra-thick chrome plating provides exceptional corrosion and wear resistance. - Premium sealing materials prevent oil leakage, extending service life. |
| Internal Construction | - Hydraulic Oil: High-quality, low-temperature anti-wear hydraulic oil - Valve System: Multi-disc precision-ground valve shims, CNC-calibrated pre-tension | - Ensures stable damping performance without fade under extreme temperatures. - Delivers linear and responsive damping for varied road conditions. |
| Quality & Testing | - Endurance Test: Passes ≥ 50,000 cycles on a double-actuator test rig - Pressure Test: Withstands 30 Bar internal static pressure without leakage - Quality System: Manufactured under ISO 9001:2015 Quality Management System | - Far exceeds industry standard durability tests, simulating harsh conditions for guaranteed longevity. - Comprehensive quality control ensures reliability of every unit. |
Here are specific application scenarios of Shock Absorber:
Optimized for frequent stops/starts, speed bumps, and pavement joints. Its precisely tuned initial damping efficiently absorbs high-frequency, small vibrations, preventing excessive bouncing. This ensures an exceptionally smooth and quiet ride on city streets, reducing driver fatigue and protecting other vehicle components from premature wear due to constant vibration.
Stability is paramount at high speeds. The internal valve system provides robust mid-to-late stage damping support, effectively suppressing body float and sway during lane changes or in crosswinds. This ensures optimal tire contact with the road, boosting handling confidence and making long journeys safer and less fatiguing by minimizing instability-induced distractions.
This shock absorber excels even on occasional light off-road conditions like gravel or dirt roads. Its long stroke and rugged construction handle larger bumps and sustained vibrations gracefully, preventing bottoming-out and absorbing harsh impacts. Enhanced wear and dust resistance guarantee durability in challenging environments, protecting the suspension system.
Worn-out original shocks compromise safety by increasing braking distances and cornering roll. Replacing them with our product restores, even improves, overall vehicle safety. Reliable sealing technology and premium hydraulic fluid prevent leakage failure, making this a smart investment for safety and preserving vehicle value.
For optimal performance and safety, we recommend professional installation. Always replace shock absorbers in pairs (both front or both rear) to maintain balanced handling. Use a torque wrench to tighten mounting nuts to the specified value (refer to packaging or product sheet, typically 60-80 N·m for upper mount). After installation, perform a brief road test on a safe route to check for unusual noises. Finally, we recommend a wheel alignment to ensure proper tire wear and vehicle stability. This product is ISO 9001 certified, guaranteeing reliability when installed correctly.
