Chrome Complete Inline Spring Fork Assembly Stock Length – Fits FLSTS
Front-end depth verified — This complete inline spring fork assembly for FLSTS includes risers, bearings, and top tree, shipped as a single piece order.
Product Specification
Part Type | Complete Inline Spring Fork Assembly
| Parameter | Value |
|---|---|
| Finish | Chrome |
| Length | Stock length |
| Tree Spacing | 7-1/2″ |
| Rocker Stud to Top Tree | 27″ |
| Axle to Top Tree | 30″ |
| Rake | 10% |
| Fork Lock Groove | Not included |
| Kit Contents | Risers, neck stem bearings, races, dust shields, top tree, caliper mount, axle with acorn nuts |
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.
Why Tree Spacing and Rake Matter for Your FLSTS Build
Missing hardware or wrong geometry turns a weekend build into a stalled project.
When sourcing a complete inline spring fork assembly for FLSTS, builders often encounter incomplete kits or vague dimension lists. A 7-1/2″ tree spacing and a 10% stem rake must align perfectly with your frame’s steering neck and axle mounts [NEED_CITE: factory service manual specifications by model year]. If the fork lock groove is missing and your frame requires it, or if the 16″ wheel clearance is miscalculated, the bike sits on the lift waiting for corrections.
Verifying Steering Geometry Before Quoting
Every complete inline spring fork assembly for FLSTS we quote is checked against the 7-1/2″ tree spacing and 10% stem rake built into the stem. We verify that the 27″ rocker stud to top tree and 30″ axle to top tree measurements match your specific frame requirements. This prevents the geometry clash that leaves zero fender clearance on modified Springer Softail frames [NEED_CITE: frame geometry variations across custom builds].
Chrome Finish Consistency Across Batches
Finish consistency is critical when pairing this chrome complete inline spring fork assembly for FLSTS with other front-end components. We track chrome and black finish options across production runs to ensure the top tree, sliders, and risers match visually when fitted side by side. This avoids the frustration of receiving parts with noticeable plating differences [NEED_CITE: plating batch variations in aftermarket chrome].
Interpreting Critical Fork Dimensions
The 10% rake built directly into the stem alters the steering geometry compared to a zero-rake setup, affecting trail and ride height. The 7-1/2″ tree spacing dictates the width of the triple trees and must match your frame’s neck width. Furthermore, the 27″ rocker stud to top tree and 30″ axle to top tree measurements determine the overall stance and ensure the 16″ wheel assembly clears the fender without interference.
The Hidden Cost of Incorrect Fitment Data
Ordering a front end based on an incomplete spec sheet often leads to receiving a stock-length assembly when the frame was modified for an over-stock fork. This mismatch in tree distance and stem rake completely clashes with the intended geometry, forcing the builder to halt the project and reorder. Relying on unverified catalog numbers that have been superseded across model years only compounds the delay and wastes shop labor [NEED_CITE: part number supersessions across model years].
Sourcing from a Front-End Specialist
We manufacture our own springer front ends and fork parts, ensuring direct control over the 7-1/2″ tree spacing and 10% stem rake machining. Our front-end depth means you get the complete inline spring fork assembly for FLSTS, including risers and bearings, from a single account. We offer chrome and black finish options with batch tracking, cross-reference against Harley-Davidson OEM numbers for identification, and support a one-piece minimum order for custom shops.
Documentation Provided with Your Shipment
- Fitment sheet listing the FLSTS platform and 16″ wheel requirement
- Cross-reference sheet with OEM numbers marked reference only
- Key dimensions including 7-1/2″ tree spacing and 10% rake
- Finish specification and quality inspection record for the chrome batch
- 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.
- Confirm the 7-1/2″ tree spacing and 10% stem rake against your frame measurements before mounting.
- Inspect the chrome finish on the top tree and fork legs for consistency and plating defects.
- Check that the fork lock groove is indeed absent and plan your steering lock setup accordingly.
- Ensure the 30″ axle to top tree length provides adequate clearance for your 16″ wheel assembly.
Send Your Details for a Fitment Check
Provide your FLSTS model code, year, and a photo of your current frame neck or old fork to verify the 7-1/2″ tree spacing and 10% rake. Let us know if you need the chrome finish and whether you require a sample for fitment confirmation before placing a bulk order.
Frequently Asked Questions
Q: What are the critical dimensions to measure on my FLSTS frame before ordering this spring fork assembly?
A: You must measure the steering neck width to confirm the 7-1/2″ tree spacing fits. Check the frame’s intended ride height against the 27″ rocker stud to top tree and 30″ axle to top tree lengths. Verify the steering stem angle to ensure the 10% rake built into the stem aligns with your geometry.
Q: Does this complete inline spring fork kit include the fender and brake mounting hardware?
A: The kit includes risers, neck stem bearings, races, dust shields, top tree, caliper mount, and axle with acorn nuts. The fender and brake assembly are not included and must be ordered separately. Order fender and brake assembly separately to complete your front end.
Q: How does the 10% stem rake affect the steering geometry on a stock length FLSTS fork?
A: The 10% rake is built directly into the stem, which changes the trail and steering geometry compared to a straight stem. This affects the front-end profile and fender clearance. You must verify this angle against your frame’s steering neck to ensure proper handling characteristics.
Q: Can I order a single complete fork assembly for a custom build, or is there a minimum order quantity?
A: We support a one-piece minimum order, allowing custom builders and repair shops to purchase a single complete inline spring fork assembly for FLSTS without bulk requirements. This is ideal for restorers or chopper shops building one bike at a time and needing confirmed fitment.
Q: What is included in the kit, and do I need to source neck stem bearings and races separately?
A: The kit is comprehensive and includes risers, neck stem bearings, races, dust shields, top tree, caliper mount, and axle with acorn nuts. You do not need to source the neck stem bearings and races separately, as they are provided to ensure direct fitment on your FLSTS frame.