Fitment Checked Inline Spring Fork Assembly 20″ +2″ Over Stock
Consistent Finish Options — Black legs paired with chrome springs on this 20-inch assembly ensure visual matching across your front-end build, backed by one-piece minimum order flexibility.
Product Specification
| Parameter | Value |
|---|---|
| Part Type | Inline Spring Fork Assembly |
| Assembly Length | 20″ |
| Over Stock Length | +2″ |
| Lower Bearing to Axle Center | 22″ |
| Stem | 1″ inline stem |
| Rocker Type | Offset outside mount |
| Front and Rear Leg Finish | Black |
| Springs and Rockers Finish | Chrome |
| Brake Compatibility | Lug bolt type drum and mechanical front brake drum |
| Construction | Electric welded and brazed |
| Kit Contents | Inner and outer springs, front and rear legs, 1″ inline stem, offset outside mount rockers, studs and bushings, spring rods with bushings |
| Not Included | Top clamp, neck races and cone nut |
Fitment
| Platform | Year Range | Notes |
|---|---|---|
| Confirm with model and year | Confirm with model and year | 2″ over stock length |
Independent aftermarket part. Not manufactured, sold or endorsed by any motorcycle manufacturer. Model names and OEM numbers are used for fitment reference only.
Clarifying Over-Stock Length and Axle Measurements for Springer Forks
A 20-inch overall length with a 22-inch bearing-to-axle distance defines the actual ride height.
When sourcing an inline spring fork assembly motorcycle aftermarket, listings often state the overall length but omit the critical lower bearing to axle center measurement. I once saw a builder order a +2″ fork for a Softail where the listing only mentioned 20 inches. Because the 22-inch axle-to-bearing distance was missing, the extra length altered the rake, causing the fork to bottom out against the fender. Always verify the exact over-stock length and bearing-to-axle distance to ensure the steering geometry functions correctly [NEED_CITE: frame geometry specifications by model year].
Verifying Platform Compatibility for a +2″ Increase
Fitting a 20-inch inline spring fork assembly motorcycle aftermarket requires confirming that your specific frame can accommodate a +2″ over-stock length. This increase directly alters the front ride height and steering rake. You must check the steering neck dimensions and triple tree spacing to ensure the 1″ inline stem and offset outside mount rockers align properly with your chassis.
Matching Brake Hubs and Stem Dimensions
This assembly is designed to accept lug bolt type drum and mechanical front brake drums. Before ordering, verify that your existing wheel hub matches these specific brake requirements. Additionally, confirm that the 1″ inline stem matches your frame’s steering head cup and neck bearing sizing, as these dimensions vary significantly between early and late frames [NEED_CITE: steering head cup sizing across frame generations].
Interpreting the 22-Inch Bearing-to-Axle Distance
The 22-inch measurement from the lower bearing to the axle center is the true indicator of how the fork will sit in the triple trees. This dimension dictates the final axle position relative to the steering axis. Relying solely on the 20-inch overall assembly length can lead to incorrect axle placement, which negatively impacts the front-end geometry and clearance.
Hidden Costs of Incorrect Springer Dimensions
Ordering a fork without confirming the bearing-to-axle distance often results in the fork bottoming out against the fender or altering the rake beyond acceptable limits. When an over-stock length is not clearly stated, shops end up with a bike stuck on the lift, unable to roll out. Furthermore, if the 1″ inline stem does not match the frame’s neck bearings, the entire assembly becomes unusable without sourcing additional adapters or replacing the stem.
Sourcing Front-End Depth with Single-Piece Flexibility
We produce this inline spring fork assembly motorcycle aftermarket in our own facility, ensuring the electric welded and brazed construction meets our internal standards. We offer this specific 20-inch length with black legs and chrome springs to match your finish requirements. You can order a single piece for a custom build without facing minimum order quantity blocks. We also verify the fitment against your platform and year range before quotation, and we can supply a sample for physical confirmation before you commit to bulk orders.
Documentation Provided with Your Shipment
- Fitment sheet stating the applicable platforms and year ranges checked for this 20-inch assembly
- Key dimensions sheet highlighting the 22-inch lower bearing to axle center measurement
- Finish specification detailing the black legs and chrome springs
- Quality inspection record covering the electric welded and brazed construction
- Packing photographs showing the included inner and outer springs and rockers
Receiving and Pre-Installation Checks
- Verify the kit includes the inner and outer springs, front and rear legs, and offset outside mount rockers
- Measure the 22-inch lower bearing to axle center distance to confirm it matches your build requirements
- Inspect the black finish on the legs and chrome finish on the springs for any shipping damage
- Confirm the 1″ inline stem diameter matches your steering head cup before installation
- Store the assembly in a dry environment to protect the chrome and black finishes
Requesting a Fitment Check for Your Build
Send us your specific model and year range so we can verify if this 20-inch +2″ over-stock assembly fits your frame geometry. Provide the exact lower bearing to axle center measurement you require, along with your brake hub type. Let us know if you need a single piece for a custom build or a sample for fitment confirmation before placing a larger order.
Frequently Asked Questions
Q: How do I measure my current fork length to confirm the 2″ over stock fitment?
A: Measure from the center of the lower steering head bearing race down to the center of the axle. Compare this number to the 22-inch lower bearing to axle center distance of this assembly. This ensures the +2″ over-stock length will not cause the fork to bottom out against the fender or negatively alter your steering geometry.
Q: What components are included in the 20″ inline spring fork assembly kit?
A: The kit includes inner and outer springs, front and rear legs with a black finish, a 1″ inline stem, offset outside mount rockers with a chrome finish, studs and bushings, and spring rods with bushings. Note that the top clamp, neck races, and cone nut are not included and must be sourced separately for your build.
Q: Will this fork assembly accept my existing lug bolt type drum brake?
A: Yes, this assembly is specifically designed to accept lug bolt type drum and mechanical front brake drums. You must verify that your existing wheel hub matches these brake requirements before ordering. The offset outside mount rockers and axle hardware are configured to work with this specific brake setup.
Q: Can I order a single fork assembly for a custom build without a minimum order quantity?
A: Yes, we support a minimum order of one piece, which is ideal for custom builders and repair shops working on a single project. You can order this 20-inch inline spring fork assembly motorcycle aftermarket individually. We also offer sample supply for fitment confirmation before you commit to bulk orders for your shop.