Öhlins Fork Springs 10.0 N/mm / 390 mm / Ø 43 mm
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number08445-10
Spring Rate10.0 N/mm
Free Length390 mm
Inner Diameter43 mm
Packaging UnitPair
Country of OriginSweden
DescriptionThe whole story▼

Öhlins part number 08445-10 is a pair of fork springs rated at 10.0 N/mm, 390 mm long with a 43 mm inner diameter. Factory fork springs are chosen for an average rider on an average road; few riders are either.

Key Features

  • Inner diameter 43 mm
  • Öhlins part number 08445-10
  • Supplied as a pair
  • Free length 390 mm
  • Measured spring rate 10.0 N/mm

How Öhlins Makes Them

Production has stayed in Sweden since the company was founded in 1976. The Öhlins part number is stamped on the unit, so its specification can be looked up years later. Anodising is hard-coat rather than decorative, which matters on a component exposed to road salt and stone chips.

Dimensions

Dimensionally this is a 43 mm × 390 mm spring; within that envelope Öhlins offers a range of rates, and this one is 10.0 N/mm.

Choosing 10.0 N/mm

A firm rate keeps the fork high in its stroke under braking, which preserves the geometry when the front is loaded hard. This end of the range suits heavier riders, two-up use, or a machine ridden hard enough that fork dive becomes the limit. Firm rates also suit machines carrying luggage as a matter of course. A road machine spends most of its life in the first third of the fork's travel — that is the part the rate governs.

Applications

Selection is by measurement. If the diameter and free length match your fork, the remaining question is the rate. Öhlins lists no fixed model here — the spring is defined by its measurements, and any fork with matching dimensions can take it. Sag figures, not feel, decide whether a rate is right. Öhlins publishes the targets for its own units.

Fitting

Spring preload spacers may need adjusting to keep the installed length correct. Preload spacers usually need shortening or lengthening so the installed length stays correct. The job needs no special tools beyond a fork spring compressor and a measuring rod for the oil level.

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

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: 08445-10
  • Spring Rate: 10.0 N/mm
  • Free Length: 390 mm
  • Inner Diameter: 43 mm
  • Packaging Unit: Pair
  • Country of Origin: Sweden
FitmentWhich bikes this fits▼
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