Öhlins Shock Spring 45 N/mm / 70 mm / Ø 46 mm
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number00180-07
Spring Rate45 N/mm
Free Length70 mm
Inner Diameter46 mm
Stroke30 mm
ConstructionStraight
FinishPowder-coated black
Country of OriginSweden
DescriptionThe whole story▼

Öhlins part number 00180-07 is a shock absorber spring rated at 45 N/mm, 70 mm long with a 46 mm inner diameter. Adding a pillion or luggage changes the load enough that the standard rate stops working.

Key Features

  • 30 mm of usable stroke
  • Öhlins part number 00180-07
  • Inner diameter 46 mm
  • Straight-wound, constant rate
  • Free length 70 mm
  • Powder-coated black
  • Measured spring rate 45 N/mm

Why the Rate Holds

Two units carrying the same part number behave the same way out of the box, which is the whole point of testing each one. Production has stayed in Sweden since the company was founded in 1976. Every Öhlins dealer can re-valve the unit, because the shim stack is a documented, serviceable assembly.

The Numbers That Matter

At 70 mm free length and 46 mm inner diameter, this spring is dimensionally interchangeable with anything of the same size — the rate is what makes it a different part.

Choosing 45 N/mm

From here it is easy to move one step in either direction once you have ridden it. Rates here suit a solo rider of typical weight on a road-going machine. This is where most riders of average weight land once static sag has been set to specification. Ride quality on the road is decided by rate first and damping second.

How a Rear Spring Works

The rear spring carries the rider, the pillion and the luggage; the front carries only part of it. Static sag at the rear sets the whole chassis attitude — get it wrong and the front geometry goes with it. A spring that has settled in service sits shorter than new, which quietly lowers the bike and steepens the steering.

Applications

This is a service part in the proper sense — it wears, it settles, and replacing it restores what the suspension was designed to do. Rather than a model list, use the measurements: a fork that accepts this diameter and length is a candidate, and the rate follows from rider weight. A spring is one of the few suspension parts that is genuinely interchangeable: same bore, same free length, and it goes in.

Installation

Both legs are done together, and both take the same rate. Work on both legs in one session so the fork stays symmetrical. Öhlins supplies a setting sheet with the springs; the numbers on it assume the specified oil.

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 components deliver what they promise once they are fitted and set up properly. As an authorised Öhlins service centre we do exactly that in house — installation, service and setup. Simply ask if you would like us to take care of it.

Specifications

  • Brand: Öhlins
  • Part Number: 00180-07
  • Spring Rate: 45 N/mm
  • Free Length: 70 mm
  • Inner Diameter: 46 mm
  • Stroke: 30 mm
  • Construction: Straight
  • Finish: Powder-coated black
  • Country of Origin: Sweden
FitmentWhich bikes this fits▼
    07 · Support

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    08 · Paddock

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