Mountain Machines Doo Freedom Axle kit (new)

[winter brew]

Model # MM-S-RA7. Allows 2-3-4 wheels of various sizes depending on how it's installed. New, still in box...no parts missing.
retail 125....$95

 

[snopro442]

I have the expert x 144 and i want to install the 2 8" wheels in the center and was wondering if this would work, any help would be great Thanks