Öhlins Shims 12/20/0.20The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 00520-20 |
| Category | Shims |
| Inner Diameter | 12 mm |
| Outer Diameter | 20 mm |
| Thickness | 0.20 mm |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Shims 12/20/0.20, Öhlins part number 00520-20. Revalving means changing the stack, not the piston — that is why shims are sold singly.
Key Features
- Original Öhlins service part
- Inner Diameter 12 mm
- Thickness 0.20 mm
- Öhlins part number 00520-20
- Outer Diameter 20 mm
Where It Sits
The published figures are 12 mm, 20 mm, 0.20 mm. Measure the old part against them before ordering. A worn or bent shim shows up as damping that has quietly drifted from the setting sheet. The stack is the tuning: outer diameter sets where the shim bends, thickness sets how hard it resists. Suspension technicians keep these in stock by size because a revalve means changing several at once.
Original Öhlins Part
Rebuilding to specification only works if the parts are to specification — that starts here. Öhlins publishes dimensions for its service parts so a workshop can verify before it fits. If you are between two sizes, send us the measurement and we will check it against the catalogue. We can supply the whole position from the drawing rather than the single piece if that is easier.
How to Be Sure It Fits
00520-20 is the Öhlins number for this position — the same one printed in the service documentation. inner diameter 12 mm, outer diameter 20 mm, thickness 0.20 mm is what distinguishes this number from its neighbours in the range. Two shims of the same thickness but different diameter give completely different damping. Shims are reused only if they are undamaged and flat; a coned shim is finished.
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: 00520-20
- Category: Shims
- Inner Diameter: 12 mm
- Outer Diameter: 20 mm
- Thickness: 0.20 mm
- Country of Origin: Sweden
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