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What is un-sprung mass and why does it matter?

April 26, 2017mass un-sprung

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What is un-sprung mass and why does it matter?

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Un-sprung mass is the mass of all moving parts of your suspension. This includes everything from the wheels, tires, hubs, axles, a-arms, and shocks. If it moves when you hit a bump it is un-sprung mass. It is very important to keep your un-sprung mass to a minimum. The faster your suspension can react to bumps the faster you can get your tires on the ground and accelerate.