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  • Old Man Mountain rack for fat bike - Fat Sherpa
    Sorry we are out of stock at this time. We're thrilled by the growth we've seen in people wanting to do more with their bikes!  We are currently focusing all production on our Classic Sherpa racks and do not have an ETA on Fat Sherpas for the immediate future. Thanks for your patience.
  • Not just any zip tie!
  • This is the same protective tape that comes in every Fit Kit.
  • This thru axle is for attaching an Old Man Mountain rack to the rear of your fat bike that has a 12 mm thru axle with 1.75 mm thread pitch and 229 mm or 217 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 229 mm, but can be shortened to 217 mm with the included spacer.
  • This thru axle is for attaching an Old Man Mountain rack to the rear of your fat bike that has a 12 mm thru axle with 1.0 mm thread pitch and 229 mm or 217 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 229 mm, but can be shortened to 217 mm with the included tapered spacer.
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