Perf.MFG - 39mm Triple Tree

CNC Billet Aluminum Triple Tree – 39mm Front End

Summary

Bring unmatched stability and precision handling to your Harley-Davidson with the CNC Billet Aluminum Triple Tree. Machined from solid 6061-T6 billet aluminum, this triple tree set increases front-end rigidity, reduces fork flex, and sharpens handling response for superior road feel. Designed for riders who demand strength, precision, and clean aesthetics, it includes a machined cut-out in the top tree for tidy cable and wire routing. Whether you're building a café racer, Dyna street ripper, or custom Sportster, this setup delivers race-level performance with Made-in-the-USA craftsmanship.

Key Features

• CNC-machined from solid 6061-T6 billet aluminum

• Increased lower clamp area (0.25”) reduces fork flex and improves steering precision

• Machined top tree cut-out for clean and organized wire routing

• Designed to fit 39mm front ends with 7” on-center forks

• Accepts standard 3-1/2” O.C. risers for easy customization

• Zero-degree rake for balanced geometry

• Lightweight, ultra-rigid aluminum construction

• No fork lock capability

• Made in the USA

Performance & Fitment

Built to deliver improved handling, stability, and front-end feedback, this triple tree fits a wide range of Harley-Davidson Dyna, FXR, and Sportster models. The enlarged lower clamp area minimizes torsional flex, providing a more planted feel in corners and better stability under braking. Ideal for riders upgrading to Nowaskey Suspension or performance front-end setups, this triple tree combines function and form in true American style.

Fitment highlights include:

• Sportster (1988–2014)

• Dyna (1993–2006)

• FXR and FXRT models (1988–1994)

Models with cast-in risers require separate riser, bushing, and hardware kits.