Öhlins Fork Springs 9.0 N/mm / 300 mm / Ø 25.5 mm
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number08444-90
Spring Rate9.0 N/mm
Free Length300 mm
Inner Diameter25.5 mm
Packaging UnitPair
Country of OriginSweden
DescriptionThe whole story▼

Öhlins part number 08444-90 is a pair of fork springs rated at 9.0 N/mm, 300 mm long with a 25.5 mm inner diameter. Spring rate is the single largest variable in how a front end behaves, and it is the one thing no damping adjuster can compensate for.

Key Features

  • Free length 300 mm
  • Öhlins part number 08444-90
  • Measured spring rate 9.0 N/mm
  • Supplied as a pair
  • Inner diameter 25.5 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. The unit is rebuildable: seals, shims and oil are catalogue items, not a reason to buy a new one. The wire is progressively wound where the application calls for it and straight where it does not.

Size and Rate

Öhlins holds the free length at 300 mm and the inner diameter at 25.5 mm across this rate range, so moving up or down a rate changes nothing about the installation.

Choosing 9.0 N/mm

Mid rates suit a solo rider on a road-going machine with occasional spirited use. From here it is easy to move one step in either direction once you have ridden it. A middle rate balances support against compliance, which is why Öhlins uses it as the baseline. Ride quality on the road is decided by rate first and damping second.

Applications

Sag figures, not feel, decide whether a rate is right. Öhlins publishes the targets for its own units. A spring is one of the few suspension parts that is genuinely interchangeable: same bore, same free length, and it goes in. This is a service part in the proper sense — it wears, it settles, and replacing it restores what the suspension was designed to do.

What Fitting Involves

Oil level is measured from the top of the tube with the fork compressed and the spring removed. Fork oil should be replaced at the same time — it is already out of the leg. The job needs no special tools beyond a fork spring compressor and a measuring rod for the oil level.

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

Öhlins suspension rewards careful fitting. We recommend having the work done by an authorised Öhlins service centre — and we are one ourselves: we fit, service and set up Öhlins components in house. If you would like us to handle the installation, just ask and we will quote it with the order.

Specifications

  • Brand: Öhlins
  • Part Number: 08444-90
  • Spring Rate: 9.0 N/mm
  • Free Length: 300 mm
  • Inner Diameter: 25.5 mm
  • Packaging Unit: Pair
  • Country of Origin: Sweden
FitmentWhich bikes this fits▼
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    08 · Paddock

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