• This thru axle is for attaching an Old Man Mountain rack to the front of your fat bike that has a 15 mm thru axle with 1.5 mm thread pitch and 198 mm length. We partner with The Robert Axle Project to supply our made in the USA axles.
    • Diameter of thru axle is 15 mm.
    • Thread pitch is M15 x 1.5 mm.
    • Length is 198 mm.
  • Fit Kit #712.R is for mounting an Old Man Mountain Sherpa Classic to a fork with a 12 mm thru axle.
    • Thru Axle: 12 mm thru axle with 122 mm length and x 1.75 mm thread pitch.
    • Pair of 5" Dropouts. Attach the rack frame to thru axle to fit all fat bike tire sizes.
    • Pair of 6" extenders. Stabilize and level the rack.
    • Pair of OMM Pucks. Mount to the fork to provide an upper attachment point for the rack.
    • Stainless steel mounting hardware.
  • This thru axle is for attaching an Old Man Mountain rack to the front of your road or gravel bike that has a 12 mm thru axle with 1.75 mm thread pitch and 122 mm length. We partner with The Robert Axle Project to supply our axles.
    • Diameter of thru axle is 12 mm.
    • Thread pitch is 1.75 mm.
    • Length is 122 mm.
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