Öhlins Adjuster compThe facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21955-01 |
| Category | Adjusters |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Adjuster comp, Öhlins part number 21955-01. The adjuster knob is what the rider touches, and Öhlins colour-codes it by function.
Key Features
- Öhlins part number 21955-01
- Original Öhlins service part
Function
Öhlins publishes no separate dimension for this position, so the part number carries the identity. Hydraulic preload adjusters are sealed units and are replaced rather than opened. Preload adjusters carry the full spring force and are built accordingly. Öhlins publishes the click count for each unit, and a rebuilt adjuster should return it.
Why the Original
Öhlins publishes dimensions for its service parts so a workshop can verify before it fits. Öhlins manufactures service parts on the same lines as production parts — there is no second quality. Ask us before ordering if you are unsure: a wrong part in a pressurised unit is an expensive lesson. The exploded drawing for your unit names the number; if you do not have it, we do.
How to Be Sure It Fits
Part number 21955-01 is unambiguous; the description alone is not, because Öhlins uses similar wording across sizes. Where no measurement is given, the drawing position is what identifies the part. Hydraulic preload adjusters are sealed and pressurised; they are replaced as a unit. Needle and seat together meter the bleed flow; damage to either changes the whole adjustment range.
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: 21955-01
- Category: Adjusters
- Country of Origin: Sweden
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