Öhlins PDS piston 45.5 mmThe facts.
| Brand | Öhlins |
|---|---|
| Part Number | 06779-05 |
| Category | Pistons |
| Country of Origin | Sweden |
DescriptionThe whole story▼
PDS piston 45.5 mm, Öhlins part number 06779-05. Öhlins uses a piston band rather than metal-to-metal contact, which is what keeps the bore intact.
Key Features
- Öhlins part number 06779-05
- Original Öhlins service part
What It Is
Öhlins publishes no separate dimension for this position, so the part number carries the identity. A scored piston face means oil bypasses the shims entirely. Twin-tube pistons have separate paths for compression and rebound, which is the whole point of the design. Rebuilding a piston means keeping the shim order, because the stack is the tuning.
Original Öhlins Part
Buying the individual part rather than a complete assembly is what makes servicing an Öhlins unit worthwhile. Öhlins supports units that are decades old, which is why the spare parts list runs to thousands of numbers. For a full rebuild, the seal kit plus the wear parts is usually the sensible order. If the unit is already apart, compare the published dimensions with the part in your hand.
Identifying the Right Part
If the unit is already open, compare the dimensions below with the part in your hand before ordering 06779-05. Where no measurement is given, the drawing position is what identifies the part. Rebuilding a piston means keeping the shim order, because the stack is the tuning. A worn piston band lets oil past the outside of the piston, which shows up as damping that has gone soft.
Fitting and Setup Service
Öhlins recommends that its units are serviced by an authorised centre. We are one: rebuild, revalve and setup all happen in our own workshop.
Specifications
- Brand: Öhlins
- Part Number: 06779-05
- Category: Pistons
- Country of Origin: Sweden
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