Öhlins Shims 12/27/0.20The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 00520-27 |
| Category | Shims |
| Inner Diameter | 12 mm |
| Outer Diameter | 27 mm |
| Thickness | 0.20 mm |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Shims 12/27/0.20, Öhlins part number 00520-27. A shim is a thin, ground steel washer, and the stack of them is what generates damping.
Key Features
- Inner Diameter 12 mm
- Original Öhlins service part
- Öhlins part number 00520-27
- Outer Diameter 27 mm
- Thickness 0.20 mm
Where It Sits
12 mm, 27 mm, 0.20 mm: that is the whole specification, and it has to match what came out. Face flatness matters as much as thickness — a shim that does not seal against its neighbour leaks damping. Shims are reused only if they are undamaged and flat; a coned shim is finished. Outer diameter sets the lever the oil works against; thickness sets how hard it resists.
Genuine Service Part
The alternative to a service part is usually a new damper, which is why this catalogue exists. Suspension is one of the few areas where the original part is genuinely the cheaper decision. Service parts are supplied per piece unless the description says otherwise. Öhlins numbers do not follow a logic you can guess — always read them from the documentation.
Getting the Number Right
00520-27 is the Öhlins number for this position — the same one printed in the service documentation. Check inner diameter 12 mm, outer diameter 27 mm, thickness 0.20 mm against what you have removed; a close size is not the same part. Öhlins stamps and grinds its shims to tolerances a general-purpose washer never holds. Changing one shim in a stack alters the damping curve measurably; that is why Öhlins sells them individually rather than only as sets.
Fitting and Setup Service
If you would rather not open the damper yourself, we can do it — we are an authorised Öhlins service centre and rebuild these units as a matter of routine.
Specifications
- Brand: Öhlins
- Part Number: 00520-27
- Category: Shims
- Inner Diameter: 12 mm
- Outer Diameter: 27 mm
- Thickness: 0.20 mm
- Country of Origin: Sweden
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