Öhlins STX 36 Twin Shock Absorber Harley Davidson SPORTSTER XL883N IRON (2009–2018)⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 906
FitmentHarley Davidson SPORTSTER XL883N IRON (2009–2018)
Road ApprovalABE (Germany)
Mounting PositionHinten
Length336 +10/-0 mm
Stroke77 mm
Spring Rateprog.16-26 N/
Piston Diameter36 mm
Spring Part Number00480-02
DescriptionThe whole story▼

Part number HD 906 is what Öhlins supplies for the Harley Davidson SPORTSTER XL883N IRON, model years 2009–2018. What a rider feels as a lack of rear grip is usually a damper that has stopped keeping up.

Key Features

  • 336 +10/-0 mm between mounting eyes
  • Öhlins spring 00480-02 included
  • 77 mm of damper stroke
  • Fitted spring rate prog.16-26 N/mm, chosen by Öhlins for the SPORTSTER XL883N IRON
  • 36 mm damping piston
  • Monotube damper layout
  • Adjustable overall length for ride-height and geometry changes
  • Listed by Öhlins for the Harley Davidson SPORTSTER XL883N IRON (2009–2018) and no other machine

How Öhlins Builds It

The Öhlins part number is stamped on the unit, so its specification can be looked up years later. 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.

The SPORTSTER XL883N IRON in Particular

Öhlins covers the 10-year production run of this generation with a single part number, which means the mounting and the linkage stayed unchanged across it. Cruisers carry weight low and long, with short suspension travel doing work that a sportbike would spread over twice the stroke.

About the STX 36 Twin Range

Preload is set by a threaded collar on each side, and both sides must be set equally. Öhlins offers several body and spring finishes in this range because the shocks are visible on the machines that use them. Rebound adjustment is at the lower eyelet on most numbers in this range.

Damping Performance

The damping piston measures 36 mm across, and piston area is what keeps damping force stable once the oil is hot. A prog.16-26 N/mm spring comes fitted, and it is the first thing to reconsider if the rider is heavy or light. The 336 +10/-0 mm length window lets ride height be set rather than accepted, and ride height sets the steering geometry. The spring carries Öhlins number 00480-02 and can be exchanged for a different rate without replacing the damper. A single click produces a change most riders can detect, which is not true of every adjustable damper. The adjuster range is usable end to end rather than only around the middle.

Fitment and Compatibility

Öhlins releases HD 906 against the Harley Davidson SPORTSTER XL883N IRON (2009–2018). Because the settings are model-specific, fitting it to a related machine would mean running the wrong specification.

Road Approval

Road approval: ABE (Germany) for the Harley Davidson SPORTSTER XL883N IRON. That means no TÜV appointment and no entry in the registration document — the paperwork comes in the box.

Specifications

  • Brand: Öhlins
  • Part Number: HD 906
  • Fitment: Harley Davidson SPORTSTER XL883N IRON (2009–2018)
  • Road Approval: ABE (Germany)
  • Mounting Position: Hinten
  • Length: 336 +10/-0 mm
  • Stroke: 77 mm
  • Spring Rate: prog.16-26 N/mm
  • Piston Diameter: 36 mm
  • Spring Part Number: 00480-02
FitmentWhich bikes this fits▼
  • Harley Davidson SPORTSTER XL883N IRON (2009–2018)
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