Putoline HPX R 4W Fork Oil – 1ltr is an ultra-refined, high-performance fork oil designed for Grand Prix-level racing and extreme off-road conditions. Engineered from premium synthetic base oils and cutting-edge additives, it ensures superior damping precision, long-term seal protection, and foam resistance. Whether you're tackling trail, cross enduro, road, or competition-grade off-road riding, HPX R 4W guarantees optimal suspension performance in every condition.
Key Features:
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Advanced Synthetic Base Formulation
Uses highly refined synthetic oils to deliver smooth, consistent fork operation and thermal stability.
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Race-Grade Additive System
Designed for Grand Prix motorcycles, ensuring high-performance damping and component longevity.
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Corrosion & Oxidation Protection
Shields internal fork components from wear, rust, and oxidative breakdown.
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Anti-Foam & Leak Prevention
Prevents air bubble formation and seal degradation during high-impact or long-distance rides.
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Lightweight 4W Viscosity
Ideal for riders seeking ultra-responsive fork behavior in both technical and high-speed environments.
| Technical Specification |
| Density at 15 °C, kg/l |
0.889 |
| Flash Point COC, °C |
172 |
| Pour Point, °C |
-63 |
| Viscosity 100 °C, mm²/s |
4.27 |
| Viscosity 20 °C, mm²/s |
40.90 |
| Viscosity 40 °C, mm²/s |
18.10 |
| Viscosity Index |
148 |
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