Öhlins Adjuster rebThe facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21934-02 |
| Category | Adjusters |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Adjuster reb, Öhlins part number 21934-02. Electronically controlled adjusters replace the needle with a solenoid but keep the same hydraulics.
Key Features
- Öhlins part number 21934-02
- Original Öhlins service part
Function
This position is identified by its number rather than by a dimension. Hydraulic preload adjusters are sealed units and are replaced rather than opened. Click adjusters work through a needle in a seat; the detent spring gives the clicks their feel. A preload adjuster carries the full spring load and is built as a structural part.
Genuine Service Part
Rebuilding to specification only works if the parts are to specification — that starts here. The alternative to a service part is usually a new damper, which is why this catalogue exists. For a full rebuild, the seal kit plus the wear parts is usually the sensible order. Öhlins parts are unit-specific: a close dimension is not a substitute.
Getting the Number Right
21934-02 is the Öhlins number for this position — the same one printed in the service documentation. This position has no published dimension, so the part number is the only reliable identifier. A preload adjuster carries the full spring load and is built as a structural part. Hydraulic preload adjusters are sealed and pressurised; they are replaced as a unit.
A damper that can be rebuilt is a damper that stays on the bike; that is the whole argument for original service parts.
Fitting and Setup Service
Öhlins recommends that its units are serviced by an authorised centre. We are one: rebuild, revalve and setup all happen in our own workshop.
Specifications
- Brand: Öhlins
- Part Number: 21934-02
- Category: Adjusters
- Country of Origin: Sweden
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