Complete Inline Spring Fork Assembly 27″ – Fits FLSTS Springer
Mixed Finish Consistency — Every inline spring fork assembly for FLSTS pairs black fork tubes with chrome axle and top tree hardware, inspected batch-to-batch to prevent visual mismatch on the front end.
Product Specification
| Parameter | Value |
|---|---|
| Part Type | Complete Inline Spring Fork Assembly |
| Finish (Forks) | Black |
| Finish (Axle, top tree, acron nuts, risers) | Chrome |
| Axle Diameter | 3/4″ |
| Length (Rocker stud to bottom of top tree) | 27″ |
| Length (Axle to bottom of top tree) | 30″ |
| Wheel Fitment | 16″ wheel assemblies |
Fitment
| Platform | Year Range | Notes |
|---|---|---|
| FLSTS Springer Softail | Confirm with model and year | For use with 16″ wheel assemblies; accepts OEM shocks |
Independent aftermarket part. Not manufactured, sold or endorsed by any motorcycle manufacturer. Model names and OEM numbers are used for fitment reference only.
Checking Overall Length Before Ordering
Verifying Rocker-to-Tree Measurements
Springer forks offered over stock often lack clear overall length statements, making it difficult to judge ride height and steering geometry without exact rocker-to-tree measurements. When sourcing an inline spring fork assembly for FLSTS, builders must confirm the 27-inch rocker stud to top tree dimension to avoid fender rub and altered rake. Relying on generic listings without checking these specific measurements frequently leads to geometry issues on the first turn [NEED_CITE: frame geometry specifications by model year].
Confirming Frame Geometry and Wheel Fitment
When fitting an inline spring fork assembly for FLSTS, the 27-inch rocker stud to bottom of top tree length dictates the front-end stance. Builders must measure their specific frame neck to ensure this dimension matches the stock geometry requirements. Additionally, verifying that the 16-inch wheel assembly matches the axle spacing is critical, as incorrect widths will prevent proper brake alignment and fender clearance.
Sourcing Separate Front-End Components
This assembly does not include all necessary front-end hardware, requiring buyers to source specific parts separately. Fenders, bumpers, neck bearings, and brake assemblies must be ordered independently to complete the build. Gas shocks are also required for proper suspension function but are not included in the fork package, meaning shops must plan their parts list accordingly [NEED_CITE: front-end hardware requirements for springer setups].
Interpreting Key Fork Dimensions
The 27-inch length from the rocker stud to the bottom of the top tree determines the ride height and directly influences the steering rake. The overall 30-inch measurement from the axle to the bottom of the top tree ensures the front end sits correctly relative to the frame neck. A 3/4-inch axle diameter provides the necessary structural support for the 16-inch wheel assembly, while the chrome-finished top tree and risers offer a specific visual contrast against the black fork tubes.
Hidden Costs of Incorrect Front-End Fitment
Ordering a springer fork without verifying the exact over-stock length often results in a front end that is too long, messing up the rake and causing the fender to rub the tire on the first turn. If the 3/4-inch axle diameter or the 16-inch wheel spacing is mismatched, the wheel will not seat correctly, forcing the bike to sit on the lift while waiting for replacement hardware. Missing components like gas shocks or neck bearings halt the assembly process entirely, delaying the build and requiring additional freight shipments [NEED_CITE: common fitment errors in custom springer builds].
Sourcing from a Front-End Specialist
We produce this inline spring fork assembly for FLSTS in our own facility, ensuring direct control over the black and chrome finish application. Every unit is checked against the 27-inch rocker stud length before dispatch to guarantee fitment certainty for the FLSTS Springer Softail platform. We offer a minimum order from one piece, supporting custom builders working on single bike projects without forcing bulk purchases. Fitment is confirmed against the platform family before quotation, and samples are available for trial installation.
Included Documentation and Records
- Fitment sheet stating the FLSTS Springer Softail platform and applicable year ranges
- Key dimensions sheet detailing the 27-inch rocker-to-tree and 30-inch axle-to-tree lengths
- Finish specification document outlining the black fork and chrome hardware application
- Quality inspection record verifying the 3/4-inch axle diameter and 16-inch wheel spacing
- Cross-reference sheet with OEM numbers marked reference only for identification
Pre-Installation Verification Steps
- Measure the frame neck to confirm the 27-inch rocker stud to top tree length matches
- Verify the 16-inch wheel assembly width aligns with the 3/4-inch axle spacing
- Inspect the black fork finish and chrome top tree for any shipping damage or defects
- Confirm that gas shocks, fenders, bumpers, and bearings have been sourced separately
- Store the assembly in a dry environment to prevent surface corrosion before installation
Requesting a Fitment Check
Send your specific FLSTS model and year, along with a photograph or measurements of your current frame neck, to verify that this 27-inch inline spring fork assembly for FLSTS matches your geometry. Let us know if you require a sample unit for trial fitting before committing to a batch order, and specify your required finish options.
Frequently Asked Questions
Q: How do I confirm the 27-inch rocker-to-tree length fits my FLSTS frame?
A: Measure the distance from the center of the rocker stud mount on your frame neck to the bottom of the steering stem tree. Compare this exact measurement to the 27-inch specification of this inline spring fork assembly for FLSTS to ensure the ride height and steering geometry remain correct without altering the rake.
Q: What components are included in the assembly and what must be ordered separately?
A: The assembly includes the fork tubes, top tree, risers, acron nuts, and axle. You must order fenders, bumpers, neck bearings, brake assemblies, and gas shocks separately, as they are not included in the package and are required to complete the front-end build.
Q: How do I verify the 3/4-inch axle and 16-inch wheel fitment for my build?
A: Check the specifications of your 16-inch wheel assembly to ensure the hub width and bearing spacing are designed for a 3/4-inch axle. This ensures the wheel seats properly against the fork sliders and allows for correct brake caliper alignment and fender clearance.
Q: Can I order a single fork assembly for a one-off custom build?
A: Yes, we support single-piece orders for custom builders and repair shops. You can order one complete inline spring fork assembly for FLSTS without meeting a high minimum order quantity, making it ideal for restorations or custom chopper projects requiring exact front-end dimensions.
Q: How are the black and chrome finishes inspected for consistency?
A: Each fork is inspected batch-to-batch to ensure the black finish on the tubes and the chrome finish on the axle, top tree, and risers are consistent. This prevents visual mismatches when the parts are fitted side by side on the motorcycle front end.