JetPrime JP ESR 004 Aprilia — Electronic Suspension ECU Emulator — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ESR 004
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsAprilia RSV4 (2021–2026)
InstallationPlug-and-play, no wiring harness modifications required
FitmentAprilia RSV4 (2021–2026) / Aprilia RSV4 Factory (2020–2026) / Aprilia Tuono V4 1100 (2021–2026) / Aprilia Tuono V4 1100 Factory (2019–2026)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ESR 004 emulates the RSV4's suspension control unit for a bike running entirely without the Öhlins module.

Key Features

  • Aprilia RSV4 (2021–2026)
  • Emulates the suspension control unit
  • No suspension warning on the panel
  • Plugs into Aprilia's own connector
  • For a bike running without the Öhlins module
  • Standard unit refits at any time

The Module Itself

A dedicated control unit reads the inertial platform and drives the fork, shock and damper actuators many times a second. It is a separate computer from the engine ECU.

A Full Conversion Removes It

With conventional suspension at both ends and a manual damper, the module has nothing left to control. Leaving it in place means carrying a computer that does nothing.

But the Bus Expects It

The rest of the electronics look for the module on the network. Remove it and the dashboard reports the absence, permanently.

What This Emulates

The module's presence, so the network is complete and nothing is reported. The engine electronics and the rider aids carry on exactly as before.

Weight and Wiring

The unit, its bracket and its harness together are worth removing on a bike built around mass. It is also one fewer thing to damage in a fall.

The Last Step

This part belongs at the end of a conversion rather than at the start. Removing the module before the actuators are gone achieves nothing useful.

A Chassis Built to Be Tuned

Rake, swingarm pivot and engine position all move on an RSV4. A conversion this thorough belongs on a frame that rewards it.

Nothing Cut

Aprilia's own connector with no adapters and no splices anywhere in the loom.

Reversible

Refit the module and the standard suspension and the system works exactly as it did.

Competition Only

A road bike has no reason to remove the module and every reason to keep it.

One Fewer Thing to Damage

A control unit, its bracket and a harness running the length of the motorcycle are all components that a crash can find. Removing them from a bike that no longer needs them takes a repair off the list before it happens.

Fitment and Compatibility

  • Aprilia RSV4 (2021–2026)

Specifications

Model JP ESR 004
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Aprilia RSV4 (2021–2026)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x eliminator
FitmentWhich bikes this fits
  • Aprilia RSV4 (2021–2026)
07 · Support

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08 · Paddock

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