Endurance presents a hydraulic shock absorber with high quality oil seals. Special quality rubber bumpers and springs are used in absorbers to prevent damage in extreme conditions. These shock absorbers have special multi stage valves on both rebound and compression to have precise control on resistance values. Some of other features of the shock absorbers are: self-lubricating guides used and special dust lip in premium models to prevent the dust entry. Endurance systems also manufactures front forks, disc brakes, clutches, etc.