PJ1 Cartridge Pro Fork Oil 1L For High Performance Suspension Meets or exceeds OEM specifications for Showa and Kayaba cartridge/twin chamber forks Improves damping and rebound action of all conventional and inverted cartridge fork units. PJ1's Ultra High Viscosity Index formula far exceeds all OEM specifications for a noticeable improvement in suspension response and handling, translating to better lap times Contains special additives that reduce "stiction" by controlling seal swelling, providing a smoother more sensitive response from the forks Will not fade or change viscosity due to hot or cold climates nor break down like other cartridge fork oils
