The RUNT

Stop compromising, make your suspension work for you!

An air spring system that threads into the top air chamber of your Fox 36, Rock Shox Lyric, Pike,Yari or Revelation (35mm only, Solo Air only) fork. The patent pending design provides coil spring like performance from your air sprung fork, creating a near linear compression curve while maintaining infinite adjustability. 

Why The RUNT

*Easy Drop-In Installation

*Half the price of a coil conversion

*1/2 Lb Lighter than coil conversions and only 20 grams heavier than same amount of tokens or spacers

*Does not ruin your fork

*Infinite adjustability / built in tunable bottoming resistance or “ramp control”

*Complete package - comes with shims to custom tune your damper to your body weight for most forks if desired.

 
 
 
 
 

 

Real world graphs tell the story:

 

What is Optimal?

Your shock has 3 sections of travel. Initial, Mid, and the End. For you and your bike to perform to your fullest potential, there are optimal characteristics to each one of those sections of travel.

They are as follows:

Optimal Initial Stroke

Traction is dependent on your tire maintaining continuous contact on the riding surface, therefore optimally your suspension's initial stroke should be as supple as possible for small bump sensitivity. 

Optimal Mid Stroke

Cornering is completely dependent on support in the mid stroke. If the suspension curve is too low through the mid stroke, your cornering will suffer drastically as the front end of your bike will dive and your geometry will change.

Proper mid stroke support also helps keep your fork from diving while descending. This helps preserve your geometry making your bike more stable.

Optimal Ending Stroke

The RUNT offers adjustable bottoming resistance with out compromising your initial or mid stroke.

 

 

What The RUNT Solves

A steady linear compression is the holy grail of air suspension. The most common problem with an air fork is the tendency to have an overly supple beginning and mid stroke, and then a drastic spike in compression towards the end. This contributes to a less than optimal suspension set up, either sacrificing small bump plushness for stiffer cornering performance or vice versa. The RUNT solves this.

 

 
RuntAnimation8.gif
 

As demonstrated in this animation, The RUNT is set to a specific psi. When the air springs pressure reaches the same pressure as in The RUNT, The RUNTs' floating piston begins to move, allowing for a linear pressure curve previously impossible in air sprung forks.

 
 
 
 
 
 
Purple-X.png

THIS X REPRESENTS OPTIMAL MID STROKE SUPPORT. THIS KEEPS YOUR FORK FROM EXCESSIVELY DIVING WHILE CORNERING OR DECENDING.


WHY A LINEAR SUSPENSION CURVE IS SO IMPORTANT

As you can see, to achieve the same mid stroke support as The RUNT with the MRP Ramp Control cartridge, you have to add more air pressure. Doing so will reduce your bump compliance. With the MRP Ramp Control cartridge, your small bump absorption becomes very harsh, and the end of your travel is unusable because it becomes too stiff. 

This compromise is unnecessary, The RUNT solves this problem and gives your fork a nearly linear suspension curve.


 

THE RUNT HAS BUILT IN ADJUSTABLE BOTTOMING RESISTANCE OR “RAMP CONTROL”

The RUNT has an adjustable high pressure chamber. If you need increased bottoming resistance simply  increase the pressure in the high chamber. Increasing bottoming resistance will not effect your initial stroke and only slightly effect the end of your mid stroke.


 
 
 

PURCHASE The RUNT

The RUNT

Patent Pending air fork add on that creates the ideal suspension curve throughout the entire stroke.

 

 

The progression of The RUNT went from a retrofitted rear shock damper tube put in a first generation Lyric to the machined aluminum prototype to the final product.