Let Find the Suspension That's Built for You
Answer a few quick questions, and we’ll match you with the suspension setup that fits your ride, style, and performance goals.
From $159.95
Upgrade your front suspension control with these Speed Merchant 39 mm Fork Preload Adjusters — a precision-machined solution that lets you fine-tune preload without cracking open your forks or trimming spacers. With nearly a full inch of adjustment, these caps make dialing in your front end fast, accurate, and repeatable. Whether you're stiffening things for aggressive riding or softening the feel for comfort, these adjusters give you the flexibility your fork tubes should’ve had from the factory. Made in the USA and built for riders who want more control out of their 39 mm front ends.
• Fork Preload Adjuster Pair
• O-rings
• Ready-to-install assembly
• 2014–2015 XL1200T SuperLow 1200T
• 2012–2015 XL1200V Seventy-Two
• 2011–2015 XL883L SuperLow
• 2010–2015 XL1200X Forty-Eight
• 2009–2015 XL883N Iron 883
• 2007–2012 XL1200N Nightster
• 2007 XL50 50th Anniversary Sportster
• 2006–2011 XL1200L Sportster 1200 Low
• 2006 1200 Low EFI XLL
• 2005–2010 XL883L Sportster 883 Low
• 2005 FXDCI Super Glide Custom
• 2004–2008 XL1200R Sportster 1200 Roadster
• 2004–2008 XL883 Sportster
• 2004–2008 XL883C Sportster 883 Custom
• 2004–2005 FXDLI Dyna Low Rider
• 2002–2003, 2005–2007 XL883R Sportster 883 Roadster
• 1999–2003 Sportster 1200 XLH
• 1996–2015 XL1200C Sportster 1200 Custom
• 1995–2000 FXDS-Conv Dyna Convertible
• 1993–2005 FXDL Dyna Low Rider
• 1993 FXRT Sport Glide
• 1992, 2005 FXDC Super Glide Custom
• 1992 FXDB-D Dyna Glide Daytona
• 1991 FXDB-S Dyna Glide Sturgis
• 1990–1993 FXRS-Conv Low Rider Sport Convertible
• 1989–2003 Sportster 883 XLH
• 1989–1990, 1993 Low Rider FXRS
• 1988–1998, 2002–2003 XLH883HUG Sportster 883 Hugger
• 1988–1998 XLH1200
• 1988–1995 XLH883DLX Sportster 883 Deluxe
• 1988–1993 FXRS-SP Low Rider Sport
• 1988, 1999–2001 XLH883
• 1987–1994 FXLR Low Rider Custom
• 1987–1994 FXR Super Glide II
• 1987–1992 FXRT Sport Glide
• 1986 FXRD Sport Glide Grand Touring
• 1985, 1987 FXRC Low Rider Chrome
• 1984–1985, 1987–1988, 1991–1992 FXRS Low Glide
Answer a few quick questions, and we’ll match you with the suspension setup that fits your ride, style, and performance goals.