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10/22/2025
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Fluid Focus Added a comment about feature MRP Lift Damper Long-Term Review
10/22/2025 6:23pm
A dyno measures and then subtracts the force of the internal gas pressure(or IFP spring) to isolate only the hydraulic damping forces a damper. This is done because the gas pressure (and spring) is a spring force, whereas the purpose of the test is to analyze damping. For example you could have 150psi and 500psi in a rezi and have the same damping forces on the dyno. Same goes for a 5lb or 20lb pressure spring.
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Fluid Focus Added a comment about feature MRP Lift Damper Long-Term Review
10/22/2025 3:23pm
IFP spring rate is 100% a tuning tool! Which is why we change them out in most of the fork tunes we do. That being said, a dyno will cancel out that pressure spring data as it does gas pressure in a shock. The biggest difference you’d notice with Pressure Springs is fork hold up, hand feel, and maybe some small bump compliance.
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Fluid Focus Added a comment about feature MRP Lift Damper Long-Term Review
10/22/2025 3:17pm
100% true. Coil spring generally means more compression and rebound needed to replace the friction of an air spring piston!
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Fluid Focus Added a comment about feature MRP Lift Damper Long-Term Review
10/22/2025 3:15pm
Yeah depending on the damper we’d be in the $ ballpark. Can’t speak to the Lift damper, we haven’t ever tried it. I’m sure it works well and has its place! We’d rather develop, test, and figure out solutions for riders on an individual basis versus being part installers. We develop our products to allow us to come up with solutions for specific rider situations.
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