The facts.
| Brand | Öhlins |
|---|---|
| Part Number | 06310-11 |
| Spring Rate | 54 N/mm |
| Free Length | 250 mm |
| Inner Diameter | 61 mm |
| Stroke | 140 mm |
| Construction | Straight |
| Finish | Powder-coated yellow |
| Country of Origin | Sweden |
DescriptionThe whole story▼
Öhlins part number 06310-11 is a shock absorber spring rated at 54 N/mm, 250 mm long with a 61 mm inner diameter. The damper can only control the spring it is given; the wrong rate makes every click a compromise.
Key Features
- 140 mm of usable stroke
- Straight-wound, constant rate
- Free length 250 mm
- Inner diameter 61 mm
- Öhlins part number 06310-11
- Powder-coated yellow
- Measured spring rate 54 N/mm
Manufacture and Tolerance
Two units carrying the same part number behave the same way out of the box, which is the whole point of testing each one. The unit is rebuildable: seals, shims and oil are catalogue items, not a reason to buy a new one. Every unit is dyno-tested against the curve held for its part number, not sampled from a batch.
Dimensions
At 250 mm free length and 61 mm inner diameter, this spring is dimensionally interchangeable with anything of the same size — the rate is what makes it a different part.
Choosing 54 N/mm
Mid rates suit a solo rider on a road-going machine with occasional spirited use. This is where most riders of average weight land once static sag has been set to specification. From here it is easy to move one step in either direction once you have ridden it. Ride quality on the road is decided by rate first and damping second.
How a Rear Spring Works
Adding a pillion or luggage changes the rear load enough that the standard rate stops working properly. The damper can only control the spring it is given; the wrong rate makes every setting a compromise. Static sag at the rear sets the whole chassis attitude — get it wrong and the front geometry goes with it.
Applications
Nothing about the installation changes across a rate range: the mounting, the length and the bore stay the same. Rate is the variable that depends on the rider, not on the machine. Two people on the same bike may well want two different numbers. A workshop will pick this spring from its dimensions and the rider's weight, not from a fitment table.
What Fitting Involves
Öhlins supplies a setting sheet with the springs; the numbers on it assume the specified oil. Both legs are done together, and both take the same rate. The springs come powder-coated and need no preparation before they go in.
Road Approval
Road approval: not applicable to the spring on its own. Öhlins issues approvals against complete suspension units, not individual springs.
Fitting and Setup Service
Öhlins recommends that its suspension is fitted by an authorised service centre. We are one, and we do the work here: installation, servicing and a proper setup. Ask us and we will include it with the order.
Specifications
- Brand: Öhlins
- Part Number: 06310-11
- Spring Rate: 54 N/mm
- Free Length: 250 mm
- Inner Diameter: 61 mm
- Stroke: 140 mm
- Construction: Straight
- Finish: Powder-coated yellow
- Country of Origin: Sweden
FitmentWhich bikes this fits▼
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