5 mm, 10 mm, or 20 mm.

These spacers are useful in various compatibility situations such as:

• A shim that is too short to reach the headset.
• The fork coming into contact with the SCS system, preventing the compression bolt from tightening.
• Installation above the compression set, on the fork, to create the necessary height.

Measurements:

• 28 mm (1.10") internal diameter
• 35 mm (1.38") external diameter