This Apex HIC compression shim is made of 6061 aluminum and features an integrated cap. It is meant for threadless pro scooter forks with threadless headsets and oversized scooter bars. The set includes a 2.0" high shim with integrated cap and a 25mm long metric 6 allen bolt. If you order this shim for a threadless fork that has metric 8 threads machined in let us know in the comments on your order.
Tools: Allen wrench metric # 5
Install the fork through the headtube. Install top headset bearing, compression ring and headset cap. Make sure you have at least 1.5 inch but no more than 2" of steerer tube above the headset. Slide HIC shim over steerer tube. Tighten shim down with the compression bolt and a # 5 allen wrench until headset feels solid (no play) and still turns smoothly. Slide oversized pro scooter bar over shim and clamp it.
Shim Height: 2.0 inch (51mm)
Recommended Bar Slit Length: 1.5 - 2 inch
Recommended Clamp: Oversized clamp with 1.375 inch inside diameter, maximum 2 inches high.
3 months warranty against manufacturing defects.