The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 21015-10 |
| Category | Piston Bands |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Piston solid 36, solid piston band, Öhlins part number 21015-10. A worn band lets oil past the outside of the piston, which feels like damping that has gone soft.
Key Features
- Original Öhlins service part
- Öhlins part number 21015-10
Function
This position is identified by its number rather than by a dimension. Bands are consumables and are replaced at every rebuild. Needle geometry sets the shape of the adjustable range, not just its size. Rebuilding a piston means keeping the shim order, because the stack is the tuning.
Genuine Service Part
Öhlins lists this part under its own number in the service catalogue so a workshop can order exactly what it needs. Öhlins is one of the few suspension makers that still supplies every position in the exploded view as a single part. Öhlins parts are unit-specific: a close dimension is not a substitute. Ask us before ordering if you are unsure: a wrong part in a pressurised unit is an expensive lesson.
How to Be Sure It Fits
If the unit is already open, compare the dimensions below with the part in your hand before ordering 21015-10. This position has no published dimension, so the part number is the only reliable identifier. A check valve holds pressure in one direction and opens in the other; a worn one lets damping bleed away. Replacing a piston is a workshop job because the shim stack has to be rebuilt in the correct order.
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: 21015-10
- Category: Piston Bands
- Country of Origin: Sweden
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