Your kid too short or too tall for their bike? Or, does he or she need the bike positioned better for performance without hampering with the shock internals? We have the answer to both with versatility, durabilty, longevity and performance. Our X-Bushing comes equipped with pre-inserted P-Bushings and our NEW Enviro-Seals. These components can be ordered seperately if needed for replacement. Our NEW Z-Bolt is awesome! You can grease your X-Bushing with ease...in minutes. Get one today!