Single Piece Order Chrome Springer Fork Assembly for FLSTS
Fitment-Checked Front End Depth — We verify tree spacing, stem rake and fork lock grooves against the FLSTS platform before quoting any springer fork assembly for FLSTS.
Product Specification
| Parameter | Value |
|---|---|
| Part Type | Springer Fork Assembly |
| Finish | Chrome |
| Length | Stock length |
| Distance between top tree and bottom tree | 7-1/2″ |
| Distance from rocker stud to bottom of top tree | 27″ |
| Distance from axle to bottom of top tree | 30″ |
| Rake | 10% built into the stem |
| Kit Contents | Risers, neck stem bearings, races, dust shields, top tree, caliper mount, axle with acorn nuts |
Fitment
| Platform | Year Range | Notes |
|---|---|---|
| FLSTS | Confirm with model and year | For use with 16″ wheel assemblies; accepts OEM shocks; no groove for the fork lock; order fender and brake assembly separately |
Independent aftermarket part. Not manufactured, sold or endorsed by any motorcycle manufacturer. Model names and OEM numbers are used for fitment reference only.
Why Tree Spacing and Stem Rake Matter for This Springer Fork Assembly for FLSTS
A 7-1/2″ tree spacing and a 10% built-in stem rake dictate whether this fork clears the frame and maintains correct geometry.
When sourcing a springer fork assembly for FLSTS, builders often focus on the overall look but overlook the stem rake and lock groove details. I learned this the hard way when a customer ordered an FLSTS complete inline spring fork assembly and I just checked the model. I ignored the 10% rake built into the stem and the missing fork lock groove. When it arrived, the fork lock would not mount, and the 7-1/2″ tree spacing threw off their steering geometry [NEED_CITE: frame neck dimensions and steering stem angle specifications by model year]. Now I always double-check the stem rake and lock groove details before quoting any springer front end.
Verifying Frame Compatibility and Wheel Size
Before ordering this springer fork assembly for FLSTS, you must confirm the wheel assembly is 16″, as this fork is specifically designed for this size. The 7-1/2″ distance between the top and bottom trees must be measured against your frame’s neck dimensions to ensure proper clearance. Since this assembly does not have a groove for the fork lock, you need to verify if your frame setup requires it or if an alternative mounting solution is in place [NEED_CITE: fork lock mounting variations across FLSTS model years].
Understanding the 10% Built-In Rake
The 10% rake built into the stem directly affects the steering geometry and ride height. Unlike some over-stock forks that lack clear statements on rake impact, this stock-length assembly provides exact dimensions: 27″ from the rocker stud to the bottom of the top tree, and 30″ from the axle to the bottom of the top tree. These measurements ensure predictable handling and correct front-end alignment when installed on a confirmed FLSTS platform [NEED_CITE: steering geometry calculations for stock-length springer setups].
The Hidden Cost of Ignoring Fork Lock Grooves
Ordering a front end without checking the fork lock groove can leave a bike stranded on the shop floor. If your frame requires a fork lock and the assembly lacks the groove, the lock simply will not mount, forcing you to either modify the stem or source a different fork entirely. This leads to project delays and additional machining costs that could have been avoided by verifying this single detail during the quoting stage [NEED_CITE: fork lock compatibility requirements for FLSTS frames].
Sourcing from a Front End Specialist
We produce front-end and chassis parts in our own facility, allowing us to offer this springer fork assembly for FLSTS with verified dimensions and consistent chrome finishing. Our minimum order is one piece, which supports custom builders and repair shops working on a single project without blocking bulk requirements. Every quotation includes a fitment sheet stating the applicable platform and year range, ensuring you know exactly what you are getting before dispatch. We also cross-reference against Harley-Davidson OEM numbers, marked reference only, to help identify superseded parts.
Documentation Provided
- Fitment sheet stating applicable platforms and year ranges
- Cross-reference sheet with OEM numbers marked reference only
- Key dimensions including fork length, tree spacing, and rake angle
- Finish specification and quality inspection record
- Warranty terms and packing photographs
Receiving and Pre-Installation Checks
- Verify the kit includes risers, neck stem bearings, races, dust shields, top tree, caliper mount, and axle with acorn nuts.
- Measure the 7-1/2″ distance between trees to confirm it matches your frame neck.
- Check the stem for the 10% built-in rake and confirm the absence of the fork lock groove.
- Inspect the chrome finish for consistency across the top tree, caliper mount, and fork legs.
- Ensure the assembly is stored in a dry environment to prevent surface oxidation before installation.
Request a Fitment Check
Send your model and year for a fitment check to confirm this springer fork assembly for FLSTS matches your build. Provide your current tree spacing, wheel size, and whether your frame requires a fork lock groove. If you are unsure about the dimensions, share a photograph or measurements of your existing front end, and let us know if you need a single sample unit for trial fitment before placing a larger order.
Frequently Asked Questions
Q: How do I confirm my FLSTS model year is compatible with this stock-length fork assembly?
A: Send us your exact model and year so we can verify the fitment against our platform records. We will check the 7-1/2″ tree spacing, 16″ wheel requirement, and the missing fork lock groove against your specific frame setup to ensure full compatibility before you order.
Q: What are the critical dimensions to measure on my frame to ensure the 7-1/2″ tree spacing fits?
A: You need to measure the distance between the top and bottom of your frame’s steering neck. Compare this directly to the 7-1/2″ tree spacing of the fork. Also, verify the steering stem angle matches the 10% rake built into the stem to maintain correct geometry.
Q: Does this assembly include the fender and brake mounts, or do they need to be ordered separately?
A: The kit includes a caliper mount, but the fender and brake assembly must be ordered separately. The assembly is designed to accept these components, but they are not bundled in the box, so plan your parts list accordingly to avoid project delays.
Q: How does the 10% built-in rake affect the steering geometry compared to my original setup?
A: The 10% rake built into the stem alters the steering angle and trail. Because this is a stock-length assembly with exact dimensions (27″ rocker stud to top tree, 30″ axle to top tree), it is designed to replicate the original geometry when installed on a confirmed FLSTS frame without the fork lock groove.
Q: Can I order a single sample unit to verify fitment and chrome finish quality before a bulk purchase?
A: Yes, we support a one-piece minimum order. You can order a single sample to verify the 7-1/2″ tree spacing, the 10% stem rake, and the chrome finish consistency against your frame and other front-end components before committing to a larger bulk purchase.