All Black Inline Spring Fork Assembly Stock Length – Fits FXSTS
Single-Piece Order Fulfillment — We supply this complete inline spring fork assembly for FXSTS Springer Softail builds without minimum quantity blocks, allowing custom shops to order exactly what they need for a single project.
Product Specification
| Parameter | Value |
|---|---|
| Part Type | Inline Spring Fork Assembly |
| Finish | All black |
| Length | Stock length |
| Rocker Stud to Top Tree | 27″ |
| Axle to Top Tree | 30″ |
| Neck Bearings | 1″ |
| Kit Contents | Rockers, chrome spring, brake caliper brackets, dust cover, top tree, shock, brake arm, axle, and bearings (fully assembled) |
Fitment
| Platform | Year Range | Notes |
|---|---|---|
| FXSTS Springer Softail | Confirm with model and year | Verify 1″ neck bearing size and 27″ rocker stud measurement before ordering. |
Independent aftermarket part. Not manufactured, sold or endorsed by any motorcycle manufacturer. Model names and OEM numbers are used for fitment reference only.
Why Exact Length Measurements Matter for Your FXSTS Springer Setup
Precise dimensional clarity eliminates steering geometry guesswork.
Springer forks offered without clear overall length statements leave buyers unable to judge ride height or steering geometry. When an inline spring fork assembly for fxsts lacks exact measurements, the mismatch throws off the front-end stance completely. We provide the exact stock-length measurements to ensure your build maintains the intended frame geometry [NEED_CITE: frame geometry specifications for FXSTS Springer Softail models].
Verifying Rocker Stud and Axle Dimensions
Before clearing an order, we always check the critical lengths that dictate how the front end sits in the frame. For this specific inline spring fork assembly for fxsts, the distance from the rocker stud to the bottom of the top tree is exactly 27 inches. We also verify the 30-inch axle to bottom of top tree measurement to confirm it aligns with your specific frame mounting points.
Confirming Steering Stem Compatibility
The steering stem diameter dictates whether the front end will physically mount to your triple trees. This assembly includes 1″ neck bearings, which must match your FXSTS Springer Softail steering stem exactly. Overlooking this dimension means the assembly will not seat properly, regardless of how well the fork length matches [NEED_CITE: steering stem diameter variations across Softail model years].
Understanding Stock Length Geometry Parameters
Maintaining the original frame geometry requires matching the factory ride height and rake. This stock length inline spring fork assembly for fxsts is designed to replicate those original dimensions. The 27-inch rocker stud measurement and 30-inch axle measurement work together to keep the front-end stance correct. Altering these lengths without adjusting the frame neck angle changes the rake and trail, which directly affects how the motorcycle tracks down the road.
The Hidden Cost of Incorrect Front-End Dimensions
Ordering a front end without confirming these critical lengths often leads to disaster on the assembly line. I once saw a builder order an assembly without confirming the 27-inch rocker stud to top tree measurement. The mismatch threw off the steering geometry completely, and the bike handled terribly until it was swapped for the correct setup. A wrong dimension means the bike sits in the bay, burning labor hours while you wait for a replacement [NEED_CITE: labor hours lost to incorrect front-end fitment].
Sourcing Front-End Assemblies for Custom Builds
We produce our springer front ends in-house, ensuring every inline spring fork assembly for fxsts meets our dimensional standards before it leaves the facility. Because we manufacture the front-end depth ourselves, we can guarantee the 27-inch and 30-inch measurements are consistent across our all black finish batches. We also support custom builders by allowing a minimum order of just one piece, so you can test fit a single assembly before committing to a larger batch.
Documentation Provided with Your Shipment
- Fitment sheet stating the FXSTS Springer Softail platform and applicable year ranges.
- Key dimensions document listing the 27-inch rocker stud and 30-inch axle measurements.
- Finish specification detailing the all black coating parameters for batch consistency.
- Quality inspection record verifying the 1″ neck bearings and fully assembled hardware.
- Warranty terms covering the front-end assembly and included components.
Checks to Perform Upon Delivery and Before Installation
- Verify the kit includes the top tree, shock, brake arm, axle, and 1″ bearings.
- Measure the rocker stud to top tree distance to confirm it is exactly 27″.
- Inspect the all black finish on the rockers and legs for any shipping damage.
- Confirm the 1″ neck bearings rotate smoothly without binding before pressing.
- Store the fully assembled unit in a dry environment to prevent surface corrosion.
Requesting a Fitment Check for Your Project
Send us your exact FXSTS model and year so we can verify this stock length setup matches your frame. If you have an old front end, share the rocker stud to top tree measurement to ensure a direct replacement. Let us know if you require a single-piece sample for test fitting before placing a bulk order for your shop.
Frequently Asked Questions
Q: How do I confirm this stock length inline spring fork assembly fits my specific FXSTS model year?
A: You must verify the 1″ neck bearing size matches your steering stem and confirm the 27″ rocker stud to top tree measurement aligns with your frame. We provide a fitment sheet stating the applicable platforms and year ranges before quotation to ensure exact compatibility for your build.
Q: What are the critical dimensions to measure on my frame before ordering?
A: The most critical measurements are the distance from the rocker stud to the bottom of the top tree, and the axle to the bottom of the top tree. For this assembly, those dimensions are 27″ and 30″ respectively. Matching these ensures the stock length maintains your intended ride height and steering geometry.
Q: Does the assembly come fully built, and which specific components are included?
A: Yes, this inline spring fork assembly for fxsts arrives fully assembled. The kit contents include the rockers, chrome spring, brake caliper brackets, dust cover, top tree, shock, brake arm, axle, and 1″ neck bearings, providing a complete front-end solution ready for installation.
Q: Can I order a single piece assembly for a custom build, and is a sample available?
A: We support custom builders and independent shops by allowing a minimum order of one piece. You can order a single assembly for your project, and we also offer sample supply for fitment confirmation before you commit to bulk orders for your inventory or multiple builds.