This RP Ultra Shock Oil #27.5 is an RC-scale damper fluid developed to give predictable damping across a range of surfaces. It balances a lighter feel on high-grip tracks with manageable traction on low-grip layouts, while helping the suspension recover cleanly after jumps on off-road sections.
The formula has been evaluated under extended, demanding use to check for consistent performance and durability, with an emphasis on maintaining tyre behaviour and shock action over time. Use this oil when you need a middle-ground viscosity for precise tuning rather than extreme soft or hard settings.
Practical tuning role: replace the oil in your shock bodies to adjust mid-range damping response, use alongside spring and piston changes to refine handling, and verify ride height and rebound when testing after oil changes. This product is intended for 1/10 scale RC cars and trucks only.
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