
The facts.
| Brand | Forsaken Motorsport |
|---|---|
| Fitment | Ducati Panigale V4 R (2023–2024) |
| Material | Billet aluminium |
| Manufacturing | CNC-machined on Haas VM3, Canada |
| Rocker arm part number | FM0139 |
| Linkage arm part numbers | FM0252 + FM0253 |
| Stiffness increase vs. OEM | 35% |
| Bearings | New bearings included; OEM bolts, sleeves and seals reusable |
| Optional titanium bolt kit | T5065 (M12x75x1.75, M12x90x1.25 x2, M10x45x1.25 x2, flange nut M10x1.25 x1) |
| Solo use only | Not suitable for pillion riding |
DescriptionThe whole story▼
Designed exclusively for the Ducati Panigale V4 R (2023–2024), the Forsaken Motorsport linear rocker arm delivers a measurably more consistent suspension response without sacrificing the V4 R's legendary composure. Whether you're threading through weekend mountain passes or chasing lap times, this Canadian-machined upgrade brings a precision-engineered feel to every metre of travel.
Key Features
- Linear progressive suspension rate, optimised with MotoSpec software, improving traction and power delivery in real-world and track conditions alike.
- Machined from a solid aluminium billet on a Haas VM3 CNC mill for repeatable dimensional accuracy and long-term durability.
- 35% stiffer than the OEM rocker arm, reducing flex under load without adding harshness to the ride.
- New bearings are included; original bolts, sleeves and seals can be reused, keeping installation straightforward and cost-effective.
- Fully compatible with the factory spring — swap it only if your weight or riding style demands a different rate.
- Compression and rebound damping can be fine-tuned to complement the flatter progressive rate, giving a wider adjustment window.
Everyday Usability and Value
Unlike many suspension upgrades that demand a full shock rebuild or specialist setup tools, the Forsaken Motorsport linear rocker arm slots into your existing hardware. The stock spring remains usable straight away, and because the original bolts, sleeves and seals carry over, the parts outlay is minimal. The result is a noticeably more planted rear end — one that communicates better at moderate speeds just as effectively as at the limit — without the cost of a full suspension overhaul.
The flatter, more linear rate means the rear shock works in a more predictable window throughout its stroke. Traction out of slow corners improves, and the bike feels less likely to squat or pack under hard acceleration. Damping adjustments you already know from the OEM shock become more effective because the linkage is no longer masking their effect with an aggressive rising rate.
Build Quality
Forsaken Motorsport engineers and manufactures this rocker arm entirely in Canada. The billet aluminium construction is machined on a Haas VM3 machining centre, a platform chosen for its tight tolerances and surface-finish consistency. Fresh bearings are supplied in the kit so the pivot feels precise from the first ride and stays that way. At 35% greater rigidity than the original casting, the arm eliminates the micro-deflection that can make suspension tuning feel inconsistent from session to session.
Optional Titanium Hardware
An optional titanium bolt kit (T5065) is available and can be selected at checkout. The kit contains the following fasteners:
- 1x M12x75x1.75
- 2x M12x90x1.25
- 2x M10x45x1.25
- 1x flange nut M10x1.25
Important Notes
- Solo use only — not suitable for pillion riding.
- Designed and manufactured by Forsaken Motorsport in Canada.
Fitment & Compatibility
This linear rocker arm is a direct-fit replacement for the following motorcycle:
- Ducati Panigale V4 R — 2023, 2024
Specifications
| Part | Part Number |
|---|---|
| Rocker arm (lever) | FM0139 |
| Linkage arm | FM0252 + FM0253 |
| Optional titanium bolt kit | T5065 |
FitmentWhich bikes this fits▼
- Ducati Panigale V4 R (2023–2024)
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