Fed up with using a star nut to adjust your headset?
Here's an answer;
The Problem Solvers adjustable spacer installs between the stem and headset to adjust bearing preload.
Adjustable Spacer
Installs between stem and headset to adjust headset preload Use instead of star nut or preload compression plug;
...ideal for carbon steerers... and folks that just don't like Star Nuts.
Clamps to steerer tube, and has Micro thread to apply pressure between base of stem and topp of headset... simple !
- Black Anodised Aluminium.
- 12mm height
- Requires a minimum of 10mm stack height below stem.