49mm Narrow Glide Triple Tree Conversion Kit for FXR , '87-07 Sportster & '05 & Earlier Dyna
Unlock premium performance and better geometry — all while keeping your stock Narrow Glide wheel setup. This complete conversion kit allows you to run modern 49mm forks on your FXR, Sportster (1987-2007) or early Dyna (2005 and earlier), correcting the limitations of the stock 39mm Narrow Glide design.
Key Benefits:
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Retain your stock Narrow Glide wheels
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Corrects poor geometry of factory 39mm Narrow Glides
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Opens up suspension and modern braking upgrade options
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Compatible with FXR , '87-07 Sportster and '05 & earlier Dyna models
Kit Includes:
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Top & bottom triple trees
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High-quality 17-4 stainless steel stem
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Custom washer + proprietary stem nut
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Stainless steel axle kit with ARP nut, taper washer, anti-seize (1–2 uses)
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Axle spacers specific to your application
Upgrade Options:
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Add a GPR Stabilizer mount, T-Sport fairing mount, or eyebrow headlight mount
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Pair with our Clinch Fork Brace for ultimate stability
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Use our 49mm Fork Tube Extension Kit to gain 1" or 2" of fork height
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Narrow Glide fender mount adapters optional
Proudly Made in the USA 🇺🇸
*Disclaimer -Axle and nut must be 100% clean before installation and coated with provided anti-seize (LOCTITE LB8012). This includes "test fitting/ hand tightening".
If the axle nut is removed, the axle threads and but threads must be cleaned and provided anti- seize ( LOCTITE LB8012) must be reapplied.
Additional anti-seize available for purchase.
We recommend all parts be installed by a qualified mechanic. No warranty/ replacement on any seized axles.