The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21653-04 |
| Category | Adjustment Housings |
| Dimension A | 1 mm |
| Dimension B | 24 mm |
| Thread | M44x1 |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Adjustment housing M44x1/24, Öhlins part number 21653-04. Öhlins specifies a defined number of clicks per adjuster so a setting is a number, not an impression.
Key Features
- Original Öhlins service part
- Dimension A 1 mm
- Dimension B 24 mm
- Öhlins part number 21653-04
- Thread M44x1
Where It Sits
The published figures are 1 mm, 24 mm. Measure the old part against them before ordering. 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. A worn adjuster loses its clicks, and with them any chance of a methodical setup.
Genuine Service Part
This is an original Öhlins part, not an aftermarket equivalent — the tolerances are the ones the unit was assembled to. The alternative to a service part is usually a new damper, which is why this catalogue exists. If you are between two sizes, send us the measurement and we will check it against the catalogue. For a full rebuild, the seal kit plus the wear parts is usually the sensible order.
Getting the Number Right
21653-04 is the Öhlins number for this position — the same one printed in the service documentation. Check dimension a 1 mm, dimension b 24 mm against what you have removed; a close size is not the same part. A preload adjuster carries the full spring load and is built as a structural part. The needle tip is the wear part: once rounded, the first few clicks stop doing anything.
Fitting and Setup Service
We are an authorised Öhlins service centre, so you do not have to source the tools and the nitrogen: send us the damper and we rebuild it with the correct parts and the correct setting.
Specifications
- Brand: Öhlins
- Part Number: 21653-04
- Category: Adjustment Housings
- Dimension A: 1 mm
- Dimension B: 24 mm
- Thread: M44x1
- Country of Origin: Sweden
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