Slacker MTB 6mm Hex Key Axle Insert

$19.99

Pre-Order Now- Ships April 26th!

Slacker MTB 6mm Hex Key Axle Inserts for hex key thru axles

allow you to use Slacker on mountain bikes- requires 6mm hex key thru axles. (

5mm, 6mm and 8mm prototypes shown here)

Does not include universal fork/seat post adapter.

*Requires Slacker V2-this system will not work with the solid magnet on original Slacker V1.

Slacker digital suspension tuner features overview.
Suspension tuning for ADV, MX, Sport, Sport Touring, TT, Flat Track Trials and more!

Slacker Digital Sag Scale
-Digital Sag Scale reads sag in real time using a retractable slacker cable
-Built in Display allows a helper/mechanic to easily read measurements
-The new Auto Zero feature lets you use Slacker with no stand
-Remote display allows a single person to easily take accurate measurements
-Universal mounting works on forks and shocks
-The best way to set up new generation SFF and TAC Air forks
-The easiest most accurate sag scale available
-Backlit display can be turned on for night racing and poor lighting conditions
-Fits any off-road bike 65cc and up with steel axles
-Fits most street, sport and ADV bikes with the addition of the street kit
-Fits almost any street or off-road fork with steel axles.
-New magnet with countersunk hole accommodates gen 2 axle inserts
-Custom axle inserts available for Titanium and oversize axles
-Includes main unit, clip, remote display and cable to connect remote
-Requires 2 AAA batteries- not included
-30-Day money back guarantee

Below, you will find the most current Slacker user guides with recommended sag settings, and useful videos for using our Slacker sag tool on street and off-road bikes. Subscribe to our YouTube channel for bike setup tips and more insight on the benefits of Slacker.

Download the new Motool Service Assistant app today!