Öhlins Shock Spring 26 N/mm / 200 mm / Ø 46 mm
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number66420-026
Spring Rate26 N/mm
Free Length200 mm
Inner Diameter46 mm
Stroke120 mm
ConstructionStraight
FinishPowder-coated black
Country of OriginSweden
DescriptionThe whole story▼

Öhlins part number 66420-026 is a shock absorber spring rated at 26 N/mm, 200 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

  • Measured spring rate 26 N/mm
  • Inner diameter 46 mm
  • Straight-wound, constant rate
  • Free length 200 mm
  • Powder-coated black
  • 120 mm of usable stroke
  • Öhlins part number 66420-026

Why the Rate Holds

Every Öhlins dealer can re-valve the unit, because the shim stack is a documented, serviceable assembly. Production has stayed in Sweden since the company was founded in 1976. The unit is rebuildable: seals, shims and oil are catalogue items, not a reason to buy a new one.

Dimensions

At 200 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.

What This Rate Does

This is the end of the range where small-bump compliance matters more than resistance to diving. A softer rate keeps the tyre loaded on a poor surface, which is worth more than outright support on most roads. On a machine ridden solo and mostly on the road, softer is often the honest choice. Ride quality on the road is decided by rate first and damping second.

What the Rear Spring Decides

The rear spring carries the rider, the pillion and the luggage; the front carries only part of it. Because the linkage is progressive on most modern machines, a small change in rate moves the sag more than riders expect. Progressive springs change rate through the stroke, which suits machines with little travel and a lot of load.

Applications

Öhlins offers rates in defined steps so a change can be made in one direction at a time rather than by guesswork. Ask us with the machine and rider weight and we will tell you which rate in this size to take. 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.

Fitting

The job needs no special tools beyond a fork spring compressor and a measuring rod for the oil level. Öhlins states the oil and the air-gap for this application — both are part of the setting, not a detail. Spring preload spacers may need adjusting to keep the installed length correct.

Road Approval

Road approval: no separate certificate. The spring changes the rate, not the construction of the fork, and is treated as a service part.

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: 66420-026
  • Spring Rate: 26 N/mm
  • Free Length: 200 mm
  • Inner Diameter: 46 mm
  • Stroke: 120 mm
  • Construction: Straight
  • Finish: Powder-coated black
  • Country of Origin: Sweden
FitmentWhich bikes this fits▼
    07 · Support

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