Understanding Compression, Rebound, and Preload – A Rider’s Guide

When it comes to motorcycle suspension, the terms compression, rebound, and preload get thrown around a lot. But what do they actually mean, and more importantly—how do they affect the way your bike feels on the road or track? Let’s break it down in simple terms so you can get the most out of your setup.

Compression – Controlling the Impact

Compression damping controls how quickly your suspension compresses when it hits a bump.

• Too much compression: Your suspension feels harsh, bouncing you around and reducing grip.

• Too little compression: The bike dives too much under braking or bottoms out over bumps.

The goal is balance—enough support to handle impacts without sacrificing comfort or traction.

Rebound – The Return Stroke

Rebound damping controls how fast your suspension extends back after being compressed.

• Too much rebound: The suspension returns too slowly, packing down over multiple bumps. This can make the bike feel harsh and unstable mid-corner.

• Too little rebound: The suspension rebounds too quickly, causing the bike to feel springy or unsettled.

Getting rebound right ensures your wheels stay planted, maximizing traction.

Preload – Setting the Sag

Preload doesn’t change how stiff your spring is—it changes how much the spring is compressed before you even sit on the bike. This directly affects sag, which is the amount your suspension compresses under your weight.

• Too much preload: Bike sits too high, reducing stability and traction.

• Too little preload: Bike sits too low, feeling soft and unstable under braking and cornering.

Proper sag ensures your suspension has enough travel in both directions to handle real-world riding conditions.

Getting compression, rebound, and preload dialed in makes the difference between a sketchy ride and a smooth, confidence-inspiring one. Whether you’re carving twisty roads or chasing lap times, your suspension setup directly impacts performance, safety, and rider comfort.

At MotoTuned, we specialize in finding that perfect balance for your bike and riding style. Book a setup session today and feel the difference a properly tuned suspension can make.

Key Takeaway:

Think of compression as “how it absorbs the bump,” rebound as “how it recovers from the bump,” and preload as “where it sits before the bump.”