USE Ring-Go-Star A-Head Adjuster

The USE Ring-Go-Star A-Head Adjuster is available in a variety of attractive colors. it is the only product that will not damage the steerer in any way, star washers and other clamp devices can seriously damage the steerer and compromise safety; this is extremely important for carbon steerers. Throw away that star washer! The Simple, lightweight and easier solution has arrived. USE patented allows for quick and easy adjustment of your stem or A-Headset.