Single Piece Order Custom Springer Fork Assembly for Rigid Frames
Single Piece Order — We supply this custom springer fork assembly for rigid frames with no minimum order quantity, allowing shops to order exactly one unit for a specific build.
Product Specification
Part Type | Custom Springer Fork Assembly
| Parameter | Value |
|---|---|
| Finish | Painted black |
| Length | 18″ |
| Measurement Method | Measured from the top of the rear leg to the front axle center line |
| Offset | Offset outside mount rockers |
| Construction | Electric welded and brazed |
| Kit Contents | Front and rear legs, inner and outer springs, rockers, offset outside mount rockers, studs, bushings, spring rods with bushings |
Fitment
| Platform | Year Range | Notes |
|---|---|---|
| Rigid frames | Confirm with model and year | Requires a 30° frame rake for proper steering geometry. |
Independent aftermarket part. Not manufactured, sold or endorsed by any motorcycle manufacturer. Model names and OEM numbers are used for fitment reference only.
Clearing Up Steering Geometry Confusion for 18″ Front Ends
A 30° frame rake is mandatory for this specific offset configuration to function correctly.
Builders often grab an 18-inch front end without verifying the exact frame rake, assuming all rigid setups accept the same geometry. When the frame angle is off, the offset outside mount rockers fail to clear lug bolt type drums, and the spring rod bushings bind up tight under load. This forces a complete teardown and delays the build. [NEED_CITE: frame rake and steering geometry specifications for rigid chassis]

Verifying Frame Rake and Offset Rocker Clearance
Before mounting this custom springer fork assembly for rigid frames, you must confirm the neck is set to exactly 30°. The offset outside mount rockers are engineered to utilize interchangeable wheels with lug bolt type drums. If the frame rake deviates from this specification, the steering axis shifts, altering the trail and causing the front end to wander or feel overly heavy. Always measure the neck angle with a digital protractor rather than relying on visual estimation.
Checking Overall Length and Ride Height Proportions
The 18″ length of this custom springer fork assembly for rigid frames is measured strictly from the top of the rear leg to the front axle center line. This specific measurement dictates the final ride height and front-end proportions of the motorcycle. If your build requires a slammed look or a higher stance, you must compare this 18″ dimension against your current setup or desired geometry calculations to ensure the fender and tire clear the frame stops. [NEED_CITE: front end length and ride height calculations for rigid frames]
Understanding Electric Welded Construction and Finish
This unit features electric welded and brazed construction, which joins the front and rear legs at critical stress points. The painted black finish is applied directly to these structural components. Because the welding and brazing processes create specific heat zones, the black paint must be inspected for uniform coverage across the joints. Any bare spots or uneven texture near the welds should be noted before installation, as they indicate areas that may require touch-up to prevent surface corrosion.

The Hidden Cost of Ignoring Measurement Methods
When a shop receives a front end without a clear measurement method, they often guess the overall length by measuring the springs or the sliders. This custom springer fork assembly for rigid frames is measured from the top of the rear leg to the front axle center line. Using the wrong baseline leads to ordering the wrong length, resulting in a bike that sits too high or too low. The offset rockers then sit at an incorrect angle, transferring stress to the steering stem bearings and causing premature wear. [NEED_CITE: measurement methods for springer fork assemblies]
Sourcing Complete Kits Without Minimum Barriers
We produce this front end in our own facility, meaning every component from the inner and outer springs to the spring rods with bushings is verified before dispatch. You can order a single custom springer fork assembly for rigid frames without meeting a bulk minimum, which is critical for shops building one-off choppers. The kit includes all necessary studs and bushings, eliminating the need to source hardware from multiple suppliers and ensuring the offset outside mount rockers align perfectly out of the box.
Documentation and Verification Records
- Fitment sheet stating the 30° frame rake requirement for rigid frames.
- Dimensional record confirming the 18″ length measured from the rear leg top.
- Finish specification detailing the painted black application on structural legs.
- Quality inspection record covering the electric welded and brazed joints.
- Warranty terms covering the complete kit contents including springs and rockers.
Pre-Installation Inspection Checklist
- Verify the kit includes front and rear legs, inner and outer springs, and offset outside mount rockers.
- Confirm the painted black finish is uniform across all electric welded and brazed joints.
- Measure the 18″ length from the top of the rear leg to the front axle center line.
- Check that the spring rods with bushings move freely without binding before final assembly.
- Ensure the frame rake is exactly 30° using a digital protractor before mounting the triple trees.
Send Your Build Details for a Fitment Check
To ensure this front end matches your specific chassis, send us your frame rake measurement and the desired ride height. If you have an existing front end, provide a photograph showing the rockers and drum clearance. We will verify the 18″ length and offset configuration against your rigid frame build. Let us know if you need a sample unit for a physical test fit before committing to the final assembly.
Frequently Asked Questions
Q: How is the 18″ springer fork length measured to ensure it fits my frame?
A: The 18″ length is measured from the top of the rear leg down to the center line of the front axle. This specific method ensures the overall drop matches your rigid frame geometry. Always compare this exact measurement to your current setup or build plans to confirm the ride height and front-end proportions are correct for your specific chassis.
Q: What frame rake is required for this offset springer fork assembly?
A: This custom springer fork assembly for rigid frames requires a frame rake of exactly 30°. The offset outside mount rockers are designed around this specific angle to clear lug bolt type drums. If your frame rake is different, the steering geometry will change, and the spring rod bushings may bind up tight during operation.
Q: Which components and hardware are included in the springer fork kit?
A: The kit includes front and rear legs, inner and outer springs, rockers, offset outside mount rockers, studs, bushings, and spring rods with bushings. All necessary hardware for the offset configuration is provided. This ensures you have every structural and mounting component needed to assemble the front end without sourcing additional parts.
Q: Can I order a single springer fork assembly for a custom build without a minimum order quantity?
A: Yes, we support single piece orders for custom builds. You can order exactly one custom springer fork assembly for rigid frames without meeting a bulk minimum. This is ideal for shops building one-off choppers or restorers needing a specific replacement unit for a customer project without tying up capital in excess inventory.