BDL patented 3- piece design compensating sprocket kit.  Fits 1980-2006 Big Twins, with some model exclusions, check fitment below.
- Three-piece patented design with no spring
- Weighs less than the stock sprocket
- Made in the U.S.A.
Fitments
| YEAR | MAKE | MODEL |
| 2006 | Harley-Davidson | Softail Heritage EFI FLSTI |
| 2006 | Harley-Davidson | Softail Heritage FLST |
| 2006 | Harley-Davidson | Softail Springer FXSTS |
| 2006 | Harley-Davidson | Softail Night Train FXSTB |
| 2006 | Harley-Davidson | Softail Night Train EFI FXSTBI |
| 2006 | Harley-Davidson | Softail Springer EFI FXSTSI |
| 2006 | Harley-Davidson | Softail Standard EFI FXSTI |
| 2005-2006 | Harley-Davidson | Softail Springer Classic FLSTSC |
| 2005-2006 | Harley-Davidson | Softail Deluxe EFI FLSTNI |
| 2005-2006 | Harley-Davidson | Softail Springer Classic EFI FLSTSCI |
| 2005-2006 | Harley-Davidson | Softail Deluxe FLSTN |
| 2005 | Harley-Davidson | 15th Anniversary Fat Boy FLSTF |
| 2004-2006 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 2004-2006 | Harley-Davidson | Softail Fat Boy FLSTF |
| 2004-2006 | Harley-Davidson | Softail Heritage Classic EFI FLSTCI |
| 2004-2006 | Harley-Davidson | Softail Fat Boy EFI FLSTFI |
| 2004-2005 | Harley-Davidson | Wide Glide EFI FXDWGI |
| 2003-2005 | Harley-Davidson | Softail Springer EFI FXSTSI |
| 2003-2005 | Harley-Davidson | Softail Standard EFI FXSTI |
| 2003-2005 | Harley-Davidson | Softail Night Train EFI FXSTBI |
| 2003-2005 | Harley-Davidson | Softail Springer FXSTS |
| 2003-2005 | Harley-Davidson | Softail Night Train FXSTB |
| 2003 | Harley-Davidson | Softail Heritage Springer EFI FLSTSI |
| 2003 | Harley-Davidson | Softail Heritage Springer FLSTS |
| 2002-2005 | Harley-Davidson | Wide Glide FXDWG |
| 2002-2003 | Harley-Davidson | Softail Fat Boy EFI FLSTFI |
| 2001-2006 | Harley-Davidson | Softail Deuce EFI FXSTDI |
| 2001-2003 | Harley-Davidson | Softail Heritage Classic EFI FLSTCI |
| 2001-2002 | Harley-Davidson | Softail Night Train EFI FXSTBI |
| 2001-2002 | Harley-Davidson | Softail Heritage Springer EFI FLSTSI |
| 2001-2002 | Harley-Davidson | Softail Springer EFI FXSTSI |
| 2001-2002 | Harley-Davidson | Softail Standard EFI FXSTI |
| 2000-2006 | Harley-Davidson | Softail Deuce FXSTD |
| 2000-2003 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 2000-2003 | Harley-Davidson | Softail Fat Boy FLSTF |
| 2000-2002 | Harley-Davidson | Softail Heritage Springer FLSTS |
| 2000-2002 | Harley-Davidson | Softail Night Train FXSTB |
| 2000-2002 | Harley-Davidson | Softail Springer FXSTS |
| 1999-2001 | Harley-Davidson | Wide Glide FXDWG |
| 1999 | Harley-Davidson | Softail Night Train FXSTB |
| 1997-1999 | Harley-Davidson | Softail Heritage Springer FLSTS |
| 1997-1999 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1997-1999 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1997-1999 | Harley-Davidson | Softail Springer FXSTS |
| 1997-1999 | Harley-Davidson | Softail Custom FXSTC |
| 1997-1998 | Harley-Davidson | Dyna Convertible FXDS-CONV |
| 1997-1998 | Harley-Davidson | Low Rider FXDL |
| 1997-1998 | Harley-Davidson | Wide Glide FXDWG |
| 1997-1998 | Harley-Davidson | Super Glide FXD |
| 1997 | Harley-Davidson | Softail Bad Boy FXSTSB |
| 1995-1996 | Harley-Davidson | Dyna Convertible FXDS-CONV |
| 1995-1996 | Harley-Davidson | Softail Bad Boy FXSTSB |
| 1995-1996 | Harley-Davidson | Super Glide FXD |
| 1995-1996 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1995-1996 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1995-1996 | Harley-Davidson | Softail Heritage Special FLSTN |
| 1995-1996 | Harley-Davidson | Softail Springer FXSTS |
| 1995-1996 | Harley-Davidson | Softail Custom FXSTC |
| 1994 | Harley-Davidson | Softail Heritage Special FLSTN |
| 1993-1996 | Harley-Davidson | Wide Glide FXDWG |
| 1993-1996 | Harley-Davidson | Low Rider FXDL |
| 1993 | Harley-Davidson | Softail Nostalgia FLSTN |
| 1993 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1993 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1993 | Harley-Davidson | Softail Springer FXSTS |
| 1993 | Harley-Davidson | Softail Custom FXSTC |
| 1993 | Harley-Davidson | Softail Standard FXST |
| 1992 | Harley-Davidson | Dyna Glide Custom FXDC |
| 1991-1992, 1994 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1991-1992, 1994 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1991-1992, 1994 | Harley-Davidson | Softail Custom FXSTC |
| 1991-1992, 1994 | Harley-Davidson | Softail Springer FXSTS |
| 1991-1992 | Harley-Davidson | Softail Standard FXST |
| 1990-1993 | Harley-Davidson | Low Rider Convertible FXRS-CONV |
| 1990 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1988-1993 | Harley-Davidson | Low Rider Sport FXRS-SP |
| 1988-1990 | Harley-Davidson | Softail Springer FXSTS |
| 1987-1994 | Harley-Davidson | Low Rider Custom FXLR |
| 1987-1990 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1987 | Harley-Davidson | Low Rider Chrome FXRC |
| 1986-1994 | Harley-Davidson | Super Glide FXR |
| 1986-1993 | Harley-Davidson | Low Rider FXRS |
| 1986-1990 | Harley-Davidson | Softail Heritage FLST |
| 1986-1990 | Harley-Davidson | Softail Custom FXSTC |
| 1986-1990 | Harley-Davidson | Softail Standard FXST |
| 1986 | Harley-Davidson | Sport Glide Grand Touring FXRD |
| 1985-1993 | Harley-Davidson | Sport Glide FXRT |
| 1985 | Harley-Davidson | Low Glide Custom FXRC |
| 1985 | Harley-Davidson | Low Glide FXRS |
| 1984-1985 | Harley-Davidson | Softail Standard FXST |
| 1984 | Harley-Davidson | Electra Glide Special FLHX |
| 1984 | Harley-Davidson | Low Glide FXRS |
| 1984 | Harley-Davidson | Disc Glide FXRDG |
| 1984 | Harley-Davidson | Wide Glide FXWG |
| 1983-1985 | Harley-Davidson | Low Rider FXSB |
| 1983-1984 | Harley-Davidson | Sport Glide FXRT |
| 1983 | Harley-Davidson | Disc Glide FXDG |
| 1982-1983 | Harley-Davidson | Super Glide II FXRS |
| 1982-1983 | Harley-Davidson | Super Glide II FXR |
| 1981-1982 | Harley-Davidson | Electra Glide Classic FLH |
| 1981 | Harley-Davidson | Electra Glide Heritage FLH |
| 1980-1984 | Harley-Davidson | Electra Glide FLH |
| 1980-1983 | Harley-Davidson | Wide Glide FXWG |
| 1980-1982 | Harley-Davidson | Low Rider FXS |
| 1980-1982 | Harley-Davidson | Electra Glide Sport FLHS |
| 1980-1982 | Harley-Davidson | Sturgis FXB |
| 1980-1981, 1985 | Harley-Davidson | Fat Bob FXEF |
| 1980 | Harley-Davidson | Super Glide 80 FXE |
| 1980 | Harley-Davidson | 1200 Super Glide FXE |
| 1980 | Harley-Davidson | 1200 Fat Bob FXEF |
| 1980 | Harley-Davidson | 1200 Electra Glide FLH |
| 1980 | Harley-Davidson | Electra Glide FL |
