Bones Bearing Spacers .410
The Spacers are for between the bearings inside the wheel.
They allow the bearings to remain parallel when they are in use.
4 Spacers Per order
Their overall length is .410" and have an outside diameter of 7/16. The wall is a full 1/16" thick. These fit the MOST POPULAR 8MM diameter axles and are HEAVY DUTY
Made of 6061 aircraft aluminium.