- Hourglass shaped 7075 axle shaft--incredibly strong yet lightweight!
- 6061 tensioner blocks, spacers, and end caps.
- 4 Inside wheels for increase durability with a clean between the rail mounting configuration
- Fits all wheels with 20mm bearings.
- Works with IceAge or OEM rails utilizing 1"/.9" slots or 1/2" slots.
Included washers are only used for installation on Arctic Cat twinrail models.