Fork Preload Adjusters — 39 mm (1.54"), anodized

SPEED MERCHANT Fork Preload Adjusters — 39 mm (1.54"), anodized – 91-05 Dyna, 87-94 FXR, 88-15 Sportster

SPEED MERCHANT
0404-0275
SM39A-1

Replace stock fork caps to fine-tune front suspension with nearly 1 inch of preload adjustment. CNC-machined 6061 aluminum; includes O-rings. Made in the U.S.A.

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€180.14
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Upgrade your front suspension with these fork preload adjusters. 🔧

These adjusters replace your stock fork caps and provide nearly an inch of preload adjustment, so you can fine tune ride height and front-end feel without cutting spacers.

  • Easily dial in preload up or down with a simple turn of the adjuster.
  • CNC machined from 6061 aluminum for strength and light weight.
  • Includes O-rings and ships ready to install.
  • Made in the U.S.A. 🇺🇸

Installation is straightforward and reversible, letting you customize front-end compliance without permanent modification.

: 0404-0275
In Stock

Data sheet

Units
Pair
Color/Finish
Anodized
Brand
SPEED MERCHANT
Fork Tube Diameter
39,00 mm (1,54")
Harley Family
Dyna
FXR
Sportster

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Dyna Super Glide Dyna 1995 39mm Forks
Harley Davidson Dyna Super Glide Dyna 1996 39mm Forks
Harley Davidson Dyna Super Glide Dyna 1997 39mm Forks
Harley Davidson Dyna Super Glide Dyna 1998 39mm Forks
Harley Davidson Dyna Super Glide Dyna 1999 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2000 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2001 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2002 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2003 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2004 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2005 39mm Forks
Harley Davidson Dyna Glide Sturgis Dyna 1991 39mm Forks
Harley Davidson Dyna Glide Daytona Dyna 1992 39mm Forks
Harley Davidson Dyna Glide Custom Dyna 1992 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2004 39mm Forks
Harley Davidson Dyna Super Glide Dyna 2005 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1993 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1994 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1995 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1996 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1997 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1998 39mm Forks
Harley Davidson Dyna Low Rider Dyna 1999 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2000 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2001 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2002 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2003 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2004 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2005 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2004 39mm Forks
Harley Davidson Dyna Low Rider Dyna 2005 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 1994 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 1995 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 1996 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 1997 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 1998 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 1999 39mm Forks
Harley Davidson Dyna Super Glide Convertible Dyna 2000 39mm Forks
Harley Davidson Low Rider Custom FXR 1987 39mm Forks
Harley Davidson Low Rider Custom FXR 1988 39mm Forks
Harley Davidson Low Rider Custom FXR 1989 39mm Forks
Harley Davidson Low Rider Custom FXR 1990 39mm Forks
Harley Davidson Low Rider Custom FXR 1991 39mm Forks
Harley Davidson Low Rider Custom FXR 1992 39mm Forks
Harley Davidson Low Rider Custom FXR 1993 39mm Forks
Harley Davidson Low Rider Custom FXR 1994 39mm Forks
Harley Davidson Super Glide FXR 1987 39mm Forks
Harley Davidson Super Glide FXR 1988 39mm Forks
Harley Davidson Super Glide FXR 1989 39mm Forks
Harley Davidson Super Glide FXR 1990 39mm Forks
Harley Davidson Super Glide FXR 1991 39mm Forks
Harley Davidson Super Glide FXR 1992 39mm Forks
Harley Davidson Super Glide FXR 1993 39mm Forks
Harley Davidson Super Glide FXR 1994 39mm Forks
Harley Davidson Low Glide Custom FXR 1987 39mm Forks
Harley Davidson Low Rider FXR 1987 39mm Forks
Harley Davidson Low Rider FXR 1988 39mm Forks
Harley Davidson Low Rider FXR 1989 39mm Forks
Harley Davidson Low Rider FXR 1990 39mm Forks
Harley Davidson Low Rider FXR 1991 39mm Forks
Harley Davidson Low Rider FXR 1992 39mm Forks
Harley Davidson Low Rider Convertible FXR 1989 39mm Forks
Harley Davidson Low Rider Convertible FXR 1990 39mm Forks
Harley Davidson Low Rider Convertible FXR 1991 39mm Forks
Harley Davidson Low Rider Convertible FXR 1992 39mm Forks
Harley Davidson Low Rider Convertible FXR 1993 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1987 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1988 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1989 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1990 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1991 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1992 39mm Forks
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1993 39mm Forks
Harley Davidson Sport Glide FXR 1987 39mm Forks
Harley Davidson Sport Glide FXR 1988 39mm Forks
Harley Davidson Sport Glide FXR 1989 39mm Forks
Harley Davidson Sport Glide FXR 1990 39mm Forks
Harley Davidson Sport Glide FXR 1991 39mm Forks
Harley Davidson Sport Glide FXR 1992 39mm Forks
Harley Davidson Sportster Custom Sportster 1996 39mm Forks
Harley Davidson Sportster Custom Sportster 1997 39mm Forks
Harley Davidson Sportster Custom Sportster 1998 39mm Forks
Harley Davidson Sportster Custom Sportster 1999 39mm Forks
Harley Davidson Sportster Custom Sportster 2000 39mm Forks
Harley Davidson Sportster Custom Sportster 2001 39mm Forks
Harley Davidson Sportster Custom Sportster 2002 39mm Forks
Harley Davidson Sportster Custom Sportster 2003 39mm Forks
Harley Davidson Sportster Custom Sportster 2004 39mm Forks
Harley Davidson Sportster Custom Sportster 2005 39mm Forks
Harley Davidson Sportster Custom Sportster 2006 39mm Forks
Harley Davidson Sportster Custom Sportster 2007 39mm Forks
Harley Davidson Sportster Custom Sportster 2008 39mm Forks
Harley Davidson Sportster Custom Sportster 2009 39mm Forks
Harley Davidson Sportster Custom Sportster 2010 39mm Forks
Harley Davidson Sportster Custom Sportster 2011 39mm Forks
Harley Davidson Sportster Custom Sportster 2012 39mm Forks
Harley Davidson Sportster Custom 110th Anniversary Sportster 2013 39mm Forks
Harley Davidson Sportster Custom Sportster 2014 39mm Forks
Harley Davidson Sportster Custom Sportster 2015 39mm Forks
Harley Davidson Sportster Custom Sportster 2014 39mm Forks
Harley Davidson Sportster Custom Sportster 2015 39mm Forks
Harley Davidson Sportster Custom LE A Sportster 2014 39mm Forks
Harley Davidson Sportster Custom LE A Sportster 2015 39mm Forks
Harley Davidson Sportster Custom LE B Sportster 2014 39mm Forks
Harley Davidson Sportster Custom LE B Sportster 2015 39mm Forks
Harley Davidson Low Sportster 2006 39mm Forks
Harley Davidson Low Sportster 2007 39mm Forks
Harley Davidson Low Sportster 2008 39mm Forks
Harley Davidson Low Sportster 2009 39mm Forks
Harley Davidson Low Sportster 2010 39mm Forks
Harley Davidson Low Sportster 2011 39mm Forks
Harley Davidson Nightster Sportster 2007 39mm Forks
Harley Davidson Nightster Sportster 2008 39mm Forks
Harley Davidson Nightster Sportster 2009 39mm Forks
Harley Davidson Nightster Sportster 2010 39mm Forks
Harley Davidson Nightster Sportster 2011 39mm Forks
Harley Davidson Nightster Sportster 2012 39mm Forks
Harley Davidson Roadster Sportster 2004 39mm Forks
Harley Davidson Roadster Sportster 2005 39mm Forks
Harley Davidson Roadster Sportster 2006 39mm Forks
Harley Davidson Roadster Sportster 2007 39mm Forks
Harley Davidson Roadster Sportster 2008 39mm Forks
Harley Davidson Super Low Sportster 2014 39mm Forks
Harley Davidson Super Low Sportster 2015 39mm Forks
Harley Davidson Super Low Sportster 2014 39mm Forks
Harley Davidson Super Low Sportster 2015 39mm Forks
Harley Davidson Seventy-Two Sportster 2012 39mm Forks
Harley Davidson Seventy-Two Sportster 2013 39mm Forks
Harley Davidson Seventy-Two Sportster 2014 39mm Forks
Harley Davidson Seventy-Two Sportster 2015 39mm Forks
Harley Davidson Seventy-Two Sportster 2014 39mm Forks
Harley Davidson Seventy-Two Sportster 2015 39mm Forks
Harley Davidson Forty-Eight Sportster 2010 39mm Forks
Harley Davidson Forty-Eight Sportster 2011 39mm Forks
Harley Davidson Forty-Eight Sportster 2012 39mm Forks
Harley Davidson Forty-Eight Sportster 2013 39mm Forks
Harley Davidson Forty-Eight Sportster 2014 39mm Forks
Harley Davidson Forty-Eight Sportster 2015 39mm Forks
Harley Davidson Forty-Eight Sportster 2014 39mm Forks
Harley Davidson Forty-Eight Sportster 2015 39mm Forks
Harley Davidson Sportster Sportster 1988 39mm Forks
Harley Davidson Sportster Sportster 1989 39mm Forks
Harley Davidson Sportster Sportster 1990 39mm Forks
Harley Davidson Sportster Sportster 1991 39mm Forks
Harley Davidson Sportster Sportster 1992 39mm Forks
Harley Davidson Sportster Sportster 1993 39mm Forks
Harley Davidson Sportster Sportster 1994 39mm Forks
Harley Davidson Sportster Sportster 1995 39mm Forks
Harley Davidson Sportster Sportster 1996 39mm Forks
Harley Davidson Sportster Sportster 1997 39mm Forks
Harley Davidson Sportster Sportster 1998 39mm Forks
Harley Davidson Sportster Sportster 1999 39mm Forks
Harley Davidson Sportster Sportster 2000 39mm Forks
Harley Davidson Sportster Sportster 2001 39mm Forks
Harley Davidson Sportster Sportster 2002 39mm Forks
Harley Davidson Sportster Sportster 2003 39mm Forks
Harley Davidson Sportster Sportster 2004 39mm Forks
Harley Davidson Sportster Sportster 2005 39mm Forks
Harley Davidson Sportster Sportster 2006 39mm Forks
Harley Davidson Sportster Sportster 2007 39mm Forks
Harley Davidson Sportster Sportster 2008 39mm Forks
Harley Davidson Sportster Sportster 2009 39mm Forks
Harley Davidson Sportster 53 Custom Sportster 1998 39mm Forks
Harley Davidson Sportster 53 Custom Sportster 1999 39mm Forks
Harley Davidson Sportster 53 Custom Sportster 2000 39mm Forks
Harley Davidson Sportster 53 Custom Sportster 2001 39mm Forks
Harley Davidson Sportster 53 Custom Sportster 2002 39mm Forks
Harley Davidson Sportster 53 Custom Sportster 2003 39mm Forks
Harley Davidson Sportster Custom Sportster 2004 39mm Forks
Harley Davidson Sportster Custom Sportster 2005 39mm Forks
Harley Davidson Sportster Custom Sportster 2006 39mm Forks
Harley Davidson Sportster Custom Sportster 2007 39mm Forks
Harley Davidson Sportster Custom Sportster 2008 39mm Forks
Harley Davidson Sportster Custom Sportster 2009 39mm Forks
Harley Davidson Sportster Custom Sportster 2010 39mm Forks
Harley Davidson Low Sportster 2005 39mm Forks
Harley Davidson Low Sportster 2006 39mm Forks
Harley Davidson Low Sportster 2007 39mm Forks
Harley Davidson Low Sportster 2008 39mm Forks
Harley Davidson Low Sportster 2009 39mm Forks
Harley Davidson Low Sportster 2010 39mm Forks
Harley Davidson Super Low Sportster 2011 39mm Forks
Harley Davidson Super Low Sportster 2012 39mm Forks
Harley Davidson Super Low Sportster 2013 39mm Forks
Harley Davidson Super Low Sportster 2014 39mm Forks
Harley Davidson Super Low Sportster 2015 39mm Forks
Harley Davidson Super Low Sportster 2014 39mm Forks
Harley Davidson Super Low Sportster 2015 39mm Forks
Harley Davidson Iron Sportster 2009 39mm Forks
Harley Davidson Iron Sportster 2010 39mm Forks
Harley Davidson Iron Sportster 2011 39mm Forks
Harley Davidson Iron Sportster 2012 39mm Forks
Harley Davidson Iron Sportster 2013 39mm Forks
Harley Davidson Iron Sportster 2014 39mm Forks
Harley Davidson Iron Sportster 2015 39mm Forks
Harley Davidson Iron Sportster 2014 39mm Forks
Harley Davidson Iron Sportster 2015 39mm Forks
Harley Davidson Roadster Sportster 2002 39mm Forks
Harley Davidson Roadster Sportster 2003 39mm Forks
Harley Davidson Roadster Sportster 2004 39mm Forks
Harley Davidson Roadster Sportster 2006 39mm Forks
Harley Davidson Roadster Sportster 2007 39mm Forks
Harley Davidson Roadster Sportster 2008 39mm Forks
Harley Davidson Roadster Sportster 2009 39mm Forks
Harley Davidson Roadster Sportster 2010 39mm Forks
Harley Davidson Roadster Sportster 2011 39mm Forks
Harley Davidson Roadster Sportster 2012 39mm Forks
Harley Davidson Roadster Sportster 2013 39mm Forks
Harley Davidson Roadster Sportster 2014 39mm Forks
Harley Davidson Roadster Sportster 2015 39mm Forks
Harley Davidson 50th Anniversary Sportster 2007 39mm Forks
Harley Davidson Sportster Sportster 1988 39mm Forks
Harley Davidson Sportster Sportster 1989 39mm Forks
Harley Davidson Sportster Sportster 1990 39mm Forks
Harley Davidson Sportster Sportster 1991 39mm Forks
Harley Davidson Sportster Sportster 1992 39mm Forks
Harley Davidson Sportster Sportster 1993 39mm Forks
Harley Davidson Sportster Sportster 1994 39mm Forks
Harley Davidson Sportster Sportster 1995 39mm Forks
Harley Davidson Sportster Sportster 1996 39mm Forks
Harley Davidson Sportster Sportster 1997 39mm Forks
Harley Davidson Sportster Sportster 1998 39mm Forks
Harley Davidson Sportster Sportster 1999 39mm Forks
Harley Davidson Sportster Sportster 2000 39mm Forks
Harley Davidson Sportster Sportster 2001 39mm Forks
Harley Davidson Sportster Sportster 2002 39mm Forks
Harley Davidson Sportster Sportster 2003 39mm Forks
Harley Davidson Sportster Hugger Sportster 1988 39mm Forks
Harley Davidson Sportster Hugger Sportster 1989 39mm Forks
Harley Davidson Sportster Deluxe Sportster 1990 39mm Forks
Harley Davidson Sportster Hugger Sportster 1991 39mm Forks
Harley Davidson Sportster Sportster 1992 39mm Forks
Harley Davidson Sportster Hugger Sportster 1993 39mm Forks
Harley Davidson Sportster Deluxe Sportster 1994 39mm Forks
Harley Davidson Sportster Deluxe Sportster 1995 39mm Forks
Harley Davidson Sportster Hugger Sportster 1996 39mm Forks
Harley Davidson Sportster Sportster 1997 39mm Forks
Harley Davidson Sportster Sportster 1998 39mm Forks
Harley Davidson Sportster Sportster 1999 39mm Forks
Harley Davidson Sportster Sportster 2000 39mm Forks
Harley Davidson Sportster Sportster 2001 39mm Forks
Harley Davidson Sportster Hugger Sportster 2002 39mm Forks
Harley Davidson Sportster Sportster 2003 39mm Forks