The facts.
| Brand | Forsaken Motorsport |
|---|---|
| Country of manufacture | Canada |
| Suspension rate type | Linear (converts stock progressive rate) |
| Stiffness increase vs. stock | 35% |
| Material | Solid aluminium billet |
| Machining process | CNC-milled on Haas VM3 |
| Design software | MotoSpec |
| Kit contents | Two linkage rockers, one linkage arm, new bearings |
| Rider configuration | Solo use only — no pillion |
DescriptionThe whole story▼
Forsaken Motorsport has engineered this linear suspension linkage specifically for the Aprilia RSV4 family, drawing on a deep heritage of precision Canadian manufacturing and a genuine understanding of what these superbikes demand at the limit. Designed using MotoSpec software, it transforms the factory's progressive rising-rate curve into a far more consistent, linear response — sharpening traction feedback and improving power delivery in a way that feels immediately apparent from the first corner.
Key Features
- Linear suspension rate conversion: replaces the stock progressive characteristic with a uniform response for predictable traction and cleaner power transfer through every phase of a corner.
- 35% stiffer than the original linkage, dramatically reducing flex and deflection under hard braking and high cornering loads.
- CNC-machined from solid aluminium billet on a Haas VM3 mill, entirely in-house at Forsaken Motorsport in Canada — consistent quality from a single source.
- Designed with MotoSpec suspension geometry software, ensuring the modified rate curve is mathematically correct for the RSV4 platform rather than a generic approximation.
- Ships with new bearings as standard; original bolts, sleeves and seals can be reused, keeping the installation clean and straightforward.
- Stock spring remains compatible, or can be swapped to suit rider preference — valve shim stack adjustment is recommended to make full use of the flatter progressive rate.
Design, Finish and Heritage
The linkage reflects the exacting standards that have defined Forsaken Motorsport's reputation since the brand began producing performance geometry parts in Canada. Every component is machined from a solid aluminium billet rather than cast, giving the finished surface a precision that is evident the moment the parts are in hand. The machining is carried out entirely in-house on the Haas VM3, so tolerances are controlled at every stage without the compromises that come with outsourced production. This is a product shaped by the same culture of detail and craft that distinguishes premium Canadian aftermarket components — made by people who take the geometry of a motorcycle seriously.
Performance on Road and Track
Converting the suspension rate from progressive to linear produces a more consistent contact-patch load across the full stroke of the shock absorber. For road riders this translates into better feel on undulating surfaces and less tendency for the rear to feel vague mid-corner. On track, the benefit is more direct: a linear rate allows a more precise damping setup, making it easier to dial the shock for a specific circuit or riding style. The 35% stiffness increase over the stock linkage also means the geometry holds its intended position under the extreme forces generated during hard acceleration and braking, rather than flexing and effectively altering ride height dynamically.
A note on use: this linkage is designed for solo riding only and is not suitable for pillion use.
Fitment and Compatibility
This linkage fits the following Aprilia models:
- Aprilia RSV4 (2017–2026)
- Aprilia RSV4 RR (2017–2026)
- Aprilia RSV4 RF (2017–2026)
- Aprilia RSV4 1100 Factory (2017–2026)
Specifications
| Brand | Forsaken Motorsport |
|---|---|
| Country of manufacture | Canada |
| Suspension rate type | Linear (converts stock progressive rate) |
| Stiffness increase vs. stock | 35% |
| Material | Solid aluminium billet |
| Machining process | CNC-milled on Haas VM3 |
| Design software | MotoSpec |
| Kit contents | Two linkage rockers, one linkage arm, new bearings |
| Rider configuration | Solo use only — no pillion |
FitmentWhich bikes this fits▼
- Aprilia RSV4 / RR / RF / 1100 Factory (2017–2026)
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