⟲ 360° — drag meThe facts.
| Part Number | FKR 115 |
|---|---|
| Type | TTX25 Cartridge Kit FKR |
| System | Closed cartridge, spring-loaded |
| Piston Rod Diameter | 8 mm |
| Spring Series | 04744 series |
| Included Spring Rates | 9.5 N/mm, 10.0 N/mm, 10.5 N/mm |
| Fitment | Ducati Panigale V4 (2025–2026), original Showa fork |
| Intended Use | Track use only — not road-legal (StVZO) |
| Brand | Öhlins |
DescriptionThe whole story▼
Born from the data of Moto3, Moto2 and the Superbike World Championship, the Öhlins FKR 115 TTX25 Cartridge Kit is the definitive race-specification fork upgrade for the Ducati Panigale V4 (2025–2026) — a closed, spring-loaded damping system that sets a new benchmark for consistency, control and outright lap-time potential.
Key Features
- Closed, spring-loaded cartridge system eliminates pressure loss from leakage, delivering reliable and repeatable damping lap after lap
- Newly developed piston combined with an 8 mm piston rod reduces system pressure for faster, more precise response and richer rider feedback
- Consistently linear damping characteristics even under prolonged high-load conditions — more durable than conventional gas-pressure systems
- Optimised traction and chassis stability under hard braking and corner exit acceleration
- Broader tuning range for a fully individual setup, including three fork spring rates to suit different rider weights
- Technology derived directly from professional championship-level programmes — Moto3, Moto2 and WorldSBK
TTX25 Technology: Why It Matters on Track
Conventional gas-pressure fork internals can suffer from inconsistent damping as heat builds and seals fatigue over a race distance. The TTX25 closed cartridge architecture addresses this at a fundamental level. By containing the damping medium within a sealed system and reducing overall working pressure through the redesigned piston and 8 mm rod, the FKR 115 maintains its calibrated character from the first lap to the last. The result is a fork that gives the same confidence under late braking into a chicane on lap one as it does on lap twenty.
The expanded tuning envelope means setup changes are meaningful and predictable. Whether you are chasing understeer at corner entry or trying to free the front under hard acceleration, the adjustments you make translate directly to what the rider feels — a prerequisite at the professional level and an enormous advantage for any serious club racer.
Spring Selection and Installation
Three fork spring rates are supplied in the box — 9.5 N/mm, 10.0 N/mm and 10.5 N/mm — covering a wide range of rider weights. The correct rate for your specific weight is detailed in the enclosed installation guide. Note that specialist tools and fork oil are required for fitment and are not included. Professional installation by an authorised Öhlins workshop is strongly recommended to ensure correct function and safety.
Track Use Only
The Öhlins FKR 115 TTX25 Cartridge Kit is designed exclusively for closed-circuit racing use and does not hold road approval under StVZO regulations. It is intended to replace the internal damping cartridges within the original Showa fork fitted to the Ducati Panigale V4 (2025–2026) and is not compatible with any other fork assembly.
Fitment and Compatibility
- Ducati Panigale V4 — model years 2025 and 2026
- Compatible with the original Showa fork only — not suitable for any aftermarket or alternative fork assembly
Fitting and Setup Service
Öhlins components deliver what they promise once they are fitted and set up properly. As an authorised Öhlins service centre we do exactly that in house — installation, service and setup. Simply ask if you would like us to take care of it.
Specifications
| Attribute | Detail |
|---|---|
| Part number | FKR 115 |
| Type | TTX25 Cartridge Kit FKR |
| System | Closed cartridge, spring-loaded |
| Piston rod diameter | 8 mm |
| Spring series | 04744 series |
| Included spring rates | 9.5 N/mm, 10.0 N/mm, 10.5 N/mm |
| Fitment | Ducati Panigale V4 (2025–2026), original Showa fork |
| Intended use | Track use only — not road-legal (StVZO) |
What's includedEverything in the box▼
- 1x Cartridge Kit (left and right)
- 1x Fork spring 9.5 N/mm
- 1x Fork spring 10.0 N/mm
- 1x Fork spring 10.5 N/mm
- Installation guide
FitmentWhich bikes this fits▼
- Ducati Panigale V4 (2025–2026)
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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