• 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 1.0 mm thread pitch and 167, 160, or 154 mm length with included spacers. 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 167 mm, but can be shortened to 160 mm or 154 mm with the included spacers.
  • 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 174 or 167 mm length with included spacers. 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 174 mm, but can be shortened to 167 mm with the included spacers.
  • Fit Kit #817.R is for mounting an Old Man Mountain Sherpa Classic on to the rear of a bike with a 12 mm thru axle.
    • Thru Axle: 12 mm thru axle with 154, 160, or 167 mm length and 1.0 mm thread pitch.
    • Pair of 5" Dropouts. Attach the rack frame to thru axle to fit all road/gravel/cross wheel sizes.
    • Pair of 14" extenders. Stabilize and level the rack.
    • A 27.2 diameter seatpost mount. Allows for an upper attachment point for the rack.
    • Stainless steel mounting hardware.
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