Track wideners, compatible et  necessary for certain models of rims. In order to perfectly integrate YBT Brake Kit.
 
Be sure to measure the spacing needed before ordering. Returns and exchanges are not possible.
 
Features :
 
Thickness: 5mm, 16mm, 20mm per wedge of your choice
- WITH 17 key screws
- Lightened black anodized version
 
Use of tracking days / circuit / closed road