Threaded height adjustable strut spring seat. Rebuildable desingMicro-Cellular closed cell foam inserts maximises cooling efficiency by occupying less internal space tha gas within pressurised shock absober. Greater oil capacy an more surface area maintains lower operating temperatures. Twin Tube Body 50-100% moir oil volume than gas shock absorber for superior cooling and endurance. Twin Tube construction protects internal components from rock damageWarranty 3-years or 60000km