- Make damping rod forks perform like well-tuned cartridge forks
- Tunable valves sit on top of damping rods, held in place by the main springs
- Typical roadrace track tests show an improvement of two seconds per lap
- Simple to install and tunable for all conditions and rider preferences
Harley-Davidson -- 883 Deluxe XLH -- (1987); Harley-Davidson -- Sportster 1000 XLH -- (1972, 1974, 1973, 1975, 1976); Harley-Davidson -- Sportster 883 XLH -- (1987); Harley-Davidson -- 883 Hugger XLH -- (1987); Harley-Davidson -- Sportster 1100 XLH -- (1987); Harley-Davidson -- Super Glide 80 FXE -- (1983, 1984, 1981, 1982, 1980, 1979); Harley-Davidson -- Sportster 900 XLCH -- (1959, 1962, 1964, 1967, 1957, 1963, 1966, 1969, 1958, 1960, 1971, 1965, 1970, 1961, 1968); Harley-Davidson -- Sportster 900 XLH -- (1957, 1968, 1967, 1959, 1962, 1963, 1966, 1969, 1960, 1958, 1971, 1961, 1964, 1965, 1970); Harley-Davidson -- Super Glide II FXRS -- (1982, 1983); Harley-Davidson -- Disc Glide FXRDG -- (1984); Harley-Davidson -- Low Rider FXS -- (1979, 1980, 1982, 1981); Harley-Davidson -- Sturgis FXB -- (1981, 1980, 1982); Harley-Davidson -- Fat Bob FXEF -- (1981, 1979, 1980); Harley-Davidson -- 1200 Super Glide FXE -- (1978, 1979, 1977, 1980, 1974, 1976, 1975); Harley-Davidson -- 1200 Low Rider FXS -- (1977, 1978, 1979); Harley-Davidson -- Sport Glide FXRT -- (1986, 1984, 1987, 1983, 1985, 1988, 1991, 1992, 1990, 1989); Harley-Davidson -- Low Rider FXRS -- (1986, 1987); Harley-Davidson -- 1200 Super Glide FX -- (1974, 1971, 1972, 1973, 1975, 1978, 1977, 1976, 1979, 1980); Harley-Davidson -- Low Glide Custom FXRC -- (1985); Harley-Davidson -- Super Glide II FXR -- (1982, 1983); Harley-Davidson -- 1200 Fat Bob FXEF -- (1980, 1979); Harley-Davidson -- Low Glide FXRS -- (1985, 1984); Harley-Davidson -- Low Rider FXSB -- (1984, 1983); Harley-Davidson -- Low Rider Chrome FXRC -- (1987); Harley-Davidson -- Sport Glide Grand Touring FXRD -- (1986); Harley-Davidson -- Super Glide FXR -- (1986, 1987); Yamaha -- SR 400 -- (2003, 2007, 2012, 2017, 2006, 2004, 2011, 2013, 2001, 1997, 2005, 1996, 2002, 2015, 2000, 1999, 2014, 2016, 1998, 2008, 2009, 2010, 2018); Yamaha -- SR 500 -- (1978, 1981, 1980, 1979); Yamaha -- XS 500 -- (1978, 1976, 1975, 1979, 1977, 1980); Yamaha -- XS 650 -- (1981, 1977, 1980, 1982, 1979, 1983, 1978); Yamaha -- XJ 550 R Seca -- (1981, 1982, 1983); Yamaha -- XS 750 -- (1977, 1979, 1978); Yamaha -- XZ 550 R Vision -- (1983, 1982); Yamaha -- XS 850 -- (1980, 1981); Yamaha -- RD 400 -- (1979); Yamaha -- XV 535 Virago -- (1988, 1989, 1995, 1992, 1996, 1991, 1997, 1990, 1998, 1993, 1994); Yamaha -- XV 920 R -- (1982, 1981); Yamaha -- RZ 350 -- (1984, 1988, 1985, 1986, 1989, 1987); Yamaha -- XV 750 Virago -- (1983, 1981, 1982); Yamaha -- XJ 650 L Turbo Seca -- (1982, 1983); Yamaha -- XJ 750 R Seca -- (1981, 1982, 1983); Yamaha -- XS 750 E Special -- (1979, 1978); Yamaha -- XJ 650 R Seca -- (1981, 1982, 1980, 1983); Yamaha -- XS 1100 -- (1978, 1979, 1980, 1981); Yamaha -- XJ 750 Maxim -- (1983, 1982); Yamaha -- XV 920 Virago -- (1982, 1983); Honda -- CB650 -- (1981, 1980, 1979, 1982); Honda -- CB750A Hondamatic -- (1976, 1975, 1978, 1977); Honda -- CB750K -- (1980, 1982, 1975, 1978, 1976, 1973, 1974, 1981, 1979, 1977); Honda -- CB550F Super Sport -- (1977, 1976, 1975, 1978); Honda -- GB500 Tourist Trophy -- (1990, 1989); Honda -- CB650SC Nighthawk -- (1982); Honda -- CX500C Custom -- (1982, 1981); Honda -- GL500I Silver Wing Interstate -- (1982, 1981); Honda -- SL350K Motorsport -- (1973, 1972); Honda -- CB750C Custom -- (1980, 1982, 1981); Honda -- CB550K -- (1974, 1978, 1975, 1977, 1976); Honda -- CB750F Super Sport -- (1976, 1975, 1981, 1982, 1979, 1977, 1980, 1978); Honda -- CBX1000 Super Sport -- (1979, 1980); Honda -- CB900C Custom -- (1982, 1981); Honda -- GL1000 Gold Wing -- (1976, 1975, 1978, 1979, 1977); Honda -- VTR 250 Interceptor -- (1990, 1988, 1989); Honda -- CB500T -- (1978, 1975, 1976, 1977); Honda -- CB650C Custom -- (1980, 1981); Honda -- NSR50R RS50 -- (2004); Kawasaki -- KZ 650 B -- (1978, 1979, 1977, 1980); Kawasaki -- KZ 650 F -- (1980, 1977, 1979, 1978); Kawasaki -- Z1 900 -- (1973, 1975, 1974, 1976); Kawasaki -- EX500 Ninja 500 -- (1987, 1994, 2001, 2009, 1989, 1991, 2006, 2008, 1988, 1990, 2005, 2007, 1992, 1996, 2003, 1999, 2000, 1993, 1995, 2002, 2004, 1997, 1998); Kawasaki -- KZ 1000 -- (1979, 1977, 1978, 1980); Kawasaki -- KZ 550 D Gpz -- (1982, 1983, 1981); Kawasaki -- ZX 550A GPz -- (1985, 1984); Kawasaki -- KZ 1000 C Police -- (1991, 1984, 1982, 1983, 1992, 1999, 1988, 1987, 1981, 1986, 1998, 2000, 2001, 1989, 1993, 1996, 2002, 1995, 1990, 1994, 1997, 1985); Kawasaki -- KZ 1000 J -- (1982, 1983, 1989, 1991, 1986, 1988, 1985, 1987, 1981, 1992, 1999, 1995, 1996, 2002, 1990, 1997, 1984, 1998, 2000, 1993, 1994, 2001); Kawasaki -- KZ 1000 K Ltd -- (1981, 1985, 1987, 1983, 1990, 1992, 2000, 2002, 1989, 1991, 2001, 1982, 1986, 1993, 1997, 1984, 1988, 1995, 1999, 1994, 1996, 1998); Kawasaki -- KZ 1000 M CSR -- (1998, 1992, 1994, 1996, 1982, 1981, 1993, 1995, 1991, 1984, 1987, 1999, 2002, 1983, 1989, 1997, 1988, 1990, 1985, 1986, 2000, 2001); Kawasaki -- KZ 1000 P Police -- (2002, 2000, 1997, 1986, 1983, 1998, 1987, 1990, 1996, 1995, 1984, 1988, 1981, 1993, 1982, 2001, 1999, 1985, 1992, 1994, 1991, 1989); Kawasaki -- KZ 1000 R Lawson Replica -- (1984, 1986, 1993, 1995, 1996, 1999, 2001, 1982, 1981, 2000, 2002, 1985, 1992, 1997, 1988, 1989, 1998, 1983, 1987, 1994, 1990, 1991); Kawasaki -- ZX 750 A GPz -- (1983, 1984, 1982, 1985); Kawasaki -- KZ 750 K -- (1980, 1983, 1981, 1982, 1984); Kawasaki -- VN 750 A Vulcan -- (2001, 1989, 1996, 2005, 2002, 2003, 1993, 1986, 2004, 1994, 1991, 2006, 1999, 1995, 1997, 1992, 1987, 2000, 1990, 1998, 1988); Kawasaki -- KZ 550 H Gpz -- (1982, 1983, 1981); Kawasaki -- KZ 750 GP -- (1982); Kawasaki -- KZ 750 B -- (1982, 1980, 1983, 1981, 1984); Kawasaki -- KZ 750 E -- (1984, 1980, 1982, 1983, 1981); Kawasaki -- KZ 750 R Gpz -- (1982); Kawasaki -- KZ 750 L -- (1980, 1982, 1983, 1981, 1984); Kawasaki -- ZX 1100A Ninja GPZ -- (1981, 1983, 1984); Kawasaki -- KZ 750 Gpz -- (1982); Kawasaki -- GPZ 1100 -- (1981); Kawasaki -- ZL 600 B Eliminator -- (1997, 1986, 1987, 1996, 1995); Kawasaki -- ZL 900 A Eliminator -- (1986, 1985); Kawasaki -- ZN 700 A Ltd -- (1985); Kawasaki -- KZ 700 A -- (1985); Kawasaki -- ZX 1100E Ninja GPZ -- (1984, 1983); Kawasaki -- KZ 1100 B Gpz -- (1981); Suzuki -- GS 550 -- (1978, 1982, 1977, 1980, 1979, 1981); Suzuki -- GS 450 L -- (1987, 1988, 1985, 1986, 1984, 1983); Suzuki -- GT 750 LeMans -- (1976, 1974, 1972, 1975, 1977, 1973); Suzuki -- GR 650 Tempter -- (1984, 1985, 1983); Suzuki -- GS 650 -- (1981, 1982, 1983); Suzuki -- GS 750 -- (1977, 1981, 1982, 1978, 1979, 1980); Suzuki -- GS 1000 -- (1978, 1981, 1982, 1980, 1979); Suzuki -- GS 850 G -- (1981, 1983, 1982, 1979, 1980); Suzuki -- GS 1150 E -- (1986, 1985, 1983, 1984); Suzuki -- GS 1100 E -- (1982, 1980, 1981, 1983); BMW -- R100 /7 -- (1977, 1978, 1976, 1979, 1980); BMW -- R100 T -- (1982, 1983, 1984, 1981); BMW -- R100 RS -- (1982, 1981, 1978, 1979, 1977, 1980, 1984, 1983); BMW -- R90 /6 -- (1975, 1974, 1976, 1973); BMW -- R45 N -- (1985, 1984, 1979, 1981, 1980, 1982, 1983); BMW -- R60 /6 -- (1973, 1974, 1975, 1976); BMW -- R60 /7 -- (1977, 1978, 1976); BMW -- R65 -- (1981, 1979, 1982, 1984, 1985, 1983, 1980, 1978); BMW -- R65 LS -- (1981, 1983, 1985, 1984, 1982); BMW -- R75 /6 -- (1974, 1976, 1973, 1975); BMW -- R100 CS -- (1980, 1981, 1982, 1984, 1983); BMW -- R100 S -- (1978, 1977, 1979, 1980); BMW -- R50 /5 -- (1973, 1969, 1972, 1971, 1970); BMW -- R60 /5 -- (1971, 1972, 1970, 1969, 1973); BMW -- R100 -- (1981, 1983, 1980, 1984, 1978, 1979, 1982, 1977); BMW -- R100 RT -- (1983, 1980, 1978, 1981, 1982, 1979, 1984); BMW -- R 90 S -- (1975, 1976, 1974, 1973); BMW -- R45 T -- (1980, 1985, 1981, 1984, 1982, 1983); BMW -- R75 /5 -- (1971, 1969, 1972, 1970, 1973); BMW -- R80 GS -- (1985, 1981, 1987, 1984, 1980, 1986, 1982, 1983); BMW -- R80 -- (1977, 1979, 1980, 1978); BMW -- R75 /7 -- (1976, 1977); BSA -- B25 -- (1971); BSA -- B50 MX Motocross -- (1972, 1971); BSA -- B50 SS Gold Star -- (1971, 1972); BSA -- B50 Victor -- (1971, 1972); BSA -- A75R Rocket Three -- (1971, 1972); BSA -- B50 T Trail -- (1971, 1972); Laverda -- 500 Zeta -- (1978, 1975, 1977, 1979, 1976); Royal Enfield -- Bullet 500 -- (2013, 2010, 2012, 2009, 2011, 2008); Triumph -- Bonneville T140 E -- (1974, 1976, 1975, 1973, 1978, 1977); Triumph -- Bonneville T140 ES -- (1975, 1977, 1976, 1974, 1973, 1978); Triumph -- T140 E TSS -- (1977, 1975, 1976, 1973, 1974, 1978); Triumph -- TR7 -- (1973, 1975, 1977, 1974, 1976, 1978); Triumph -- Trident T150 750 -- (1971, 1972, 1973, 1975, 1974); Triumph -- Bonneville T120 -- (1971, 1972, 1974, 1973); Triumph -- Bonneville T140 D -- (1974, 1973, 1975, 1977, 1978, 1976); Triumph -- Bonneville T140 V -- (1977, 1975, 1976, 1978, 1973, 1974); Triumph -- T140 E -- (1975, 1978, 1973, 1977, 1974, 1976); Triumph -- T140 E TSX -- (1973, 1976, 1978, 1977, 1975, 1974); Triumph -- TR6 -- (1972, 1971); Triumph -- T150 -- (1971)
