The lower shock assembly ensures that the shock rod will move very freely inside the shock body but at the same time will minimize oil leakage while keeping the dirt away. Two shock O-rings manufactured from a superior silicone compound to allow ultra-free movement of the shock rod while still maintaining a tight seal are installed in the lower part of the shock body and are secured with composite shims. The entire lower shock assembly is secured with the new lower aluminum shock cap which makes assembly/disassembly quick and easy. The aluminum lower cap features an internal protective dust foamâ