The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 06798-21 |
| Category | Strut Casings |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Strut casing TPX44 left L300, Öhlins part number 06798-21. The tube is what the whole damper is built around: everything else references its bore.
Key Features
- Original Öhlins service part
- Öhlins part number 06798-21
Function
Öhlins publishes no separate dimension for this position, so the part number carries the identity. Wall thickness and bore finish are what let a cylinder hold pressure without deforming under load. Aluminium tubes are hard-anodised in the bore so the piston band has a hard surface to run against. The cylinder tube is the working bore of the damper: the piston runs in it, and its finish decides how well the piston rings seal.
Original Öhlins Part
Rebuilding to specification only works if the parts are to specification — that starts here. A damper that can be rebuilt is a damper that stays on the bike; that is the whole argument for original service parts. Öhlins numbers do not follow a logic you can guess — always read them from the documentation. We can check the number against the Öhlins exploded view before you order — just ask.
How to Be Sure It Fits
If the unit is already open, compare the dimensions below with the part in your hand before ordering 06798-21. Where no measurement is given, the drawing position is what identifies the part. Length here is the working length, not the overall dimension, which is why two similar tubes are not interchangeable. Öhlins matches tube and piston as a pair during assembly, which is why the part numbers are specific.
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: 06798-21
- Category: Strut Casings
- Country of Origin: Sweden
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