The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21044-30 |
| Category | Adjusters |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Valve adjuster 4P brass, Öhlins part number 21044-30. Adjuster housings carry seals, and a leak there empties the damper as surely as a shaft seal.
Key Features
- Öhlins part number 21044-30
- Original Öhlins service part
Where It Sits
There is no measurement to check here — the number and the exploded view identify it. Öhlins specifies a defined number of clicks per adjuster so a setting is a number, not an impression. The adjuster knob is what the rider touches, and Öhlins colour-codes it by function. Hydraulic preload adjusters are sealed units and are replaced rather than opened.
Original Öhlins Part
Öhlins lists this part under its own number in the service catalogue so a workshop can order exactly what it needs. A damper that can be rebuilt is a damper that stays on the bike; that is the whole argument for original service parts. If the unit is already apart, compare the published dimensions with the part in your hand. Öhlins parts are unit-specific: a close dimension is not a substitute.
Identifying the Right Part
The reliable route is the exploded drawing: find the position, read the number, order it — 21044-30 in this case. Öhlins does not publish a dimension here — go by the number and the exploded view. The adjuster knob is what the rider touches, and Öhlins colour-codes it by function. An adjuster that turns without resistance has lost its detent; the setting is then guesswork.
Fitting and Setup Service
A damper rebuild is workshop work: it needs the unit dismantled, the shim stack rebuilt in the correct order and the gas charge reset. We are an authorised Öhlins service centre and do exactly that in house — send us the unit or ask us to fit the part with your order.
Specifications
- Brand: Öhlins
- Part Number: 21044-30
- Category: Adjusters
- Country of Origin: Sweden
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