- 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.
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.