The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 05174-11 |
| Spring Rate | 40 N/mm |
| Free Length | 370 mm |
| Inner Diameter | 57 mm |
| Stroke | 204 mm |
| Construction | Straight |
| Finish | Powder-coated yellow |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Öhlins part number 05174-11 is a shock absorber spring rated at 40 N/mm, 370 mm long with a 57 mm inner diameter. The damper can only control the spring it is given; the wrong rate makes every click a compromise.
Key Features
- Öhlins part number 05174-11
- Straight-wound, constant rate
- Inner diameter 57 mm
- Free length 370 mm
- Measured spring rate 40 N/mm
- 204 mm of usable stroke
- Powder-coated yellow
Why the Rate Holds
Anodising is hard-coat rather than decorative, which matters on a component exposed to road salt and stone chips. Machining, anodising, assembly and testing all happen in the same building rather than across a supply chain. Production has stayed in Sweden since the company was founded in 1976.
The Numbers That Matter
Dimensionally this is a 57 mm × 370 mm spring; within that envelope Öhlins offers a range of rates, and this one is 40 N/mm.
Choosing 40 N/mm
From here it is easy to move one step in either direction once you have ridden it. This is where most riders of average weight land once static sag has been set to specification. A middle rate balances support against compliance, which is why Öhlins uses it as the baseline. Road surfaces are the hardest test of a spring rate, because the fork has to cope with both a smooth stretch and a broken one.
How a Rear Spring Works
A spring that has settled in service sits shorter than new, which quietly lowers the bike and steepens the steering. The rear spring carries the rider, the pillion and the luggage; the front carries only part of it. The damper can only control the spring it is given; the wrong rate makes every setting a compromise.
Applications
Ask us with the machine and rider weight and we will tell you which rate in this size to take. Öhlins lists no fixed model here — the spring is defined by its measurements, and any fork with matching dimensions can take it. The safest way to choose is by static sag: set the target figure, and the rate follows from whether you can reach it with preload.
Fitting
Spring preload spacers may need adjusting to keep the installed length correct. Work on both legs in one session so the fork stays symmetrical. Note the original oil level before draining — it is a useful reference even when Öhlins specifies its own.
Road Approval
Road approval: none is issued for springs as such — they replace an existing component of the same function. Any model-specific approval is listed under Applications.
Fitting and Setup Service
This is not a part to rush. Öhlins recommends installation by an authorised service centre, and we are an authorised Öhlins service centre — fitting, servicing and setup all happen here. Get in touch if you would like the work done with the order.
Specifications
- Brand: Öhlins
- Part Number: 05174-11
- Spring Rate: 40 N/mm
- Free Length: 370 mm
- Inner Diameter: 57 mm
- Stroke: 204 mm
- Construction: Straight
- Finish: Powder-coated yellow
- Country of Origin: Sweden
FitmentWhich bikes this fits▼
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