JetPrime JP ESR 002 Aprilia — Rear Electronic Suspension Eliminator — view 1
02 · Data & docs

The facts.

Technical data
ModelJP ESR 002
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 002 answers for the RSV4's rear shock actuator after a conversion to a mechanical unit.

Key Features

  • Aprilia RSV4 (2021–2026)
  • Answers for the rear shock actuator
  • No suspension warning on the panel
  • Plugs into Aprilia's own connector
  • For a conversion to a mechanical shock
  • Standard shock refits at any time

One Valve at the Back

The semi-active shock carries a single solenoid valve controlling damping, driven by the suspension module from the inertial platform. Everything else about the unit is a conventional monoshock.

Why a Race Shock Instead

A hand-built competition unit is rebuildable, revalvable and completely predictable. None of those things are true of a sealed semi-active shock, which is why teams do not use them.

The Module Checks It

Coil continuity at every start. An absent actuator is read as a failure and the suspension warning stays on the panel from then on.

Answered Properly

This unit supplies the load the module expects, so the check passes and nothing is written into fault memory.

Rear Ride Height

A mechanical shock lets the length be set precisely and repeatably, which is one of the largest single adjustments available on a superbike chassis.

A Frame Worth Setting Up

Rake, swingarm pivot and engine position all move on an RSV4. A conversion like this belongs on a chassis that can use it, and very few road bikes can.

Everything Else Keeps Working

Traction control, wheelie control and cornering ABS are separate systems. None of them reads the shock actuator.

Nothing Spliced

Aprilia's own connector at the shock with no adapters and nothing cut in the loom.

Reversible

Refit the standard shock, unplug the eliminator and the semi-active system behaves exactly as before.

For a Track Bike

On a road the electronically managed shock is doing genuinely useful work over changing surfaces.

Sealed Units Cannot Be Revalved

A semi-active shock arrives with one specification and keeps it, because there is no way into the damper without destroying the assembly. Race teams work in the opposite direction, opening a shock between rounds and changing shim stacks for a specific circuit and a specific tyre.

Fitment and Compatibility

  • Aprilia RSV4 (2021–2026)

Specifications

Model JP ESR 002
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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