Sale Off
Slacker Digital Suspension Tuner - V4
Slacker V4 Main Unit OnlySlacker V4 + Smartphone Bar MountSlacker V4 + Wireless Remote Display




The new Slacker Digital Suspension Tuner V4 is a patented system designed to make suspension setup fast and easy for average humans. Now you can use your Apple® or Android® device as a virtual remote display and save your settings directly to your profile in our free Service Assistant App. You can also add a dedicated wireless remote display if you want to keep it simple. The V4 builds on the first 3 generations of Slackers, and brings all the reliability and precision you have come to expect. Get the most out of every ride with the new Slacker V4 by Motool!


If you don't absolutely love Slacker, you can return it within 30 days of receipt. No questions asked!


We guarantee our products for two years against manufacturing defects and bad components.


Free standard shipping on orders over $99.00 in the US and APO/FPO boxes.

a must have tool

for any level rider

Now anyone can easily keep their suspension dialed, without any assistance. Checking your suspension regularly, and adjusting for different conditions, will assure you have a safe, fast and fun ride! It will also help you catch any safety issues with your suspension before you find out the hard way.  Slacker is a patented system that makes suspension setup simple for average humans:)

It’s Not Rocket Science

Bike setup is key to a fast, fun and safe ride. Motool’s patented Slacker Digital Suspension Tuner makes it super fast and simple for anyone to quickly take measurements and make adjustments on the fly, all with absolutely no assistance required. Measurements are shown in real-time on both the main unit and the included remote LCD display. Check your race sag every ride and adjust your spring preload for different riding conditions and experience just how good your bike can be. Whether you are a top pro or a weekend warrior, see what a perfect bike setup can do for you!

purpose built

Slacker is the only purpose built system designed specifically for setting up motorcycle and mountain bike suspension. Not only does it allow you to take your own measurements in real-time using the remote display, it is much faster, more precise and it eliminates the human factor! Many of the world’s top suspension companies and factory teams are already using Slacker both on and off the road. Slacker is currently being used by Konflict Motorsports, Dave Moss Tuning, Öhlins Racing, Kreft, MX-Tech, Enzo Racing, MotorRev Suspension Tuning, Evil Bikes and many more!

fast, simple, precise

The new and improved Slacker is even easier to use than the original! This patented system allows anyone to quickly and easily setup their bike’s suspension and record your settings directly to our app. Slacker can show you your static sag, rider sag and tell you if your suspension is healthy and has the correct spring rates installed, all within a minute. The tool was developed over the course of two years with input from industry leading suspension companies like Factory Connection, Pro Circuit and MX-Tech Suspension to assure the accuracy, consistency and reliability of the tool.