This compression plug provides an anchor point to set the headset preload on road, MTB, or gravel bikes with carbon forks. It is important to use a compression plug – aka expander plug – in forks with a carbon steerer tube instead of a star nut.

• Forks with 1 1/8" steerer tubes.
• Designed for carbon steerer tubes but works with metal steerer tubes
• Compatible with ID from 23.5mm to 24.5mm steerer tubes
• Never use a star nut on forks with carbon steerers.
• Weight: 26g
• Insertion Depth: 28mm
• Expansion Bolt Torque Spec: 5-7 Nm