Öhlins NIX 22 Cartridge Kit Kawasaki ZX-4 RR (2023–2025)⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21944-02
FitmentKawasaki ZX-4 RR (2023–2025)
Road ApprovalABE (Germany)
Recommended Öhlins Oil01309
Oil Level130
Product LineNIX 22
Country of OriginSweden
DescriptionThe whole story▼

The Kawasaki ZX-4 RR of 2023–2025 has its own Öhlins part number, and this is it: 21944-02. The ZX-4 RR keeps its own fork legs, axle clamps and mounting.

Key Features

  • Built for the Kawasaki ZX-4 RR (2023–2025); fits without modification

Construction and Material Quality

Materials read unremarkably on paper — aluminium, steel, nitrogen — and the difference lies in how precisely they are made. Öhlins sets a baseline for each part number on the machine it was developed on, so it works before anything is adjusted. Machining, anodising, assembly and testing all happen in the same building rather than across a supply chain.

Damping and Adjustment

01309 is the Öhlins oil specification for this number. Oil level is set at 130. Each fork leg takes one function, so each adjuster has a single, clear effect. Adjusters are at the fork tops and marked in clicks from fully closed.

Setting It Up for the ZX-4 RR

Supersport chassis are stiff and short, which leaves the suspension doing almost all the compliance work. The 2023–2025 generation kept the same chassis dimensions throughout, so one Öhlins number serves the whole run.

About the NIX 22 Range

The kit goes inside the standard fork legs. The NIX 22 uses Öhlins' split-function layout in a 22 mm cartridge for smaller forks. Compression sits in one leg and rebound in the other, each with its own adjuster.

Fitment and Compatibility

The fitment stated here is the Kawasaki ZX-4 RR in its 2023–2025 form, under Öhlins part number 21944-02. 3 machines in the range take this number, the Kawasaki ZX-4 RR among them.

Road Approval

Road approval: ABE (Germany). The unit is covered by a German ABE for the Kawasaki ZX-4 RR, so no individual inspection or entry in the vehicle documents is required. The approval document ships with the product.

Fitting and Setup Service

This is not a part to rush. Öhlins recommends installation by an authorised service centre, and we are an authorised Öhlins service centre — fitting, servicing and setup all happen here. Get in touch if you would like the work done with the order.

Specifications

  • Brand: Öhlins
  • Part Number: 21944-02
  • Fitment: Kawasaki ZX-4 RR (2023–2025)
  • Road Approval: ABE (Germany)
  • Recommended Öhlins Oil: 01309
  • Oil Level: 130
  • Product Line: NIX 22
  • Country of Origin: Sweden
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
  • Kawasaki ZX-4 RR (2023–2025)
07 · Support

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08 · Paddock

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