• This thru axle is for attaching an Old Man Mountain rack to the rear of your bike that has a 12 mm thru axle with 1.0 mm thread pitch and 172 mm, 167 mm or 160 mm length. We partner with The Robert Axle Project to supply our thru axles.
    • Diameter of thru axle is 12 mm.
    • Thread pitch is 1.0 mm.
    • True length of axle is 172 mm, but can be shortened to 167 mm  or 160 mm with the included spacers.
  • This Fit Kit contains all the parts to mount an Old Man Mountain rack to the rear of a bike with a 10 x 170 mm hub skewer: 10 x 170 mm QR Skewer, pair of 5" dropouts, pair of 14" extenders, pair of pucks, clear protective tape, and all mounting hardware.
  • Fit Kit #702 is for mounting an Old Man Mountain Fat Sherpa to the front of a mountain bike with a 15 mm thru axle.
    • Thru Axle: 15 mm thru axle with 145 mm length and M14 x 1.5 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 front rack to your mountain bike that has a 15 mm thru axle with a length of 148 mm. It fits all Rockshox forks (both standard and Boost.) We partner with The Robert Axle Project to supply our thru axles.
    • Diameter of thru axle is 15 mm.
    • Thread pitch is 1.5 mm.
    • Length is 148 mm.
  • This thru axle is for attaching an Old Man Mountain rack to the rear of a bike that has a 12 mm thru axle with 1.75 mm thread pitch and 180 mm or 174 mm length. We partner with The Robert Axle Project to supply our thru axles.
    • Diameter of thru axle is 12 mm.
    • Thread pitch is 1.75 mm.
    • True length of axle is 180 mm, but can be shortened to 174 mm with the included spacer.
  • This thru axle is for attaching an Old Man Mountain rack to the rear of your bike that has a 12 mm thru axle with 1.0 mm thread pitch and 184 mm or 175 mm length using the included spacer. We partner with The Robert Axle Project to supply our thru axles.
    • Diameter of thru axle is 12 mm.
    • Thread pitch is 1.0 mm.
    • True length of axle is 184 mm, but can be shortened to 175 mm with the included spacer.
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