The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21724-01 |
| Category | Adjustment Screws |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Adjustment screw NV6/Tr12x3 Left, Öhlins part number 21724-01. Hydraulic preload adjusters are sealed and pressurised; they are replaced as a unit.
Key Features
- Original Öhlins service part
- Öhlins part number 21724-01
Where It Sits
There is no measurement to check here — the number and the exploded view identify it. Öhlins publishes the click count for each unit, and a rebuilt adjuster should return it. Hydraulic preload adjusters are sealed units and are replaced rather than opened. The needle tip is the wear part: once rounded, the first few clicks stop doing anything.
Genuine Service Part
Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Öhlins numbers every position so a workshop can order precisely what it needs, not a whole assembly. Öhlins numbers do not follow a logic you can guess — always read them from the documentation. If you are unsure which number your unit takes, send us the model and serial number of the damper and we will look it up.
Getting the Number Right
21724-01 is the Öhlins number for this position — the same one printed in the service documentation. Öhlins does not publish a dimension here — go by the number and the exploded view. A preload adjuster carries the full spring load and is built as a structural part. Click adjusters work through a needle in a seat; the detent spring gives the clicks their feel.
Fitting and Setup Service
Fitting service parts means opening a pressurised unit. As an authorised Öhlins service centre we do that here, with the right tools and a dyno check afterwards — just ask.
Specifications
- Brand: Öhlins
- Part Number: 21724-01
- Category: Adjustment Screws
- Country of Origin: Sweden
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