Öhlins STX 36 Blackline Shock Absorber Harley Davidson Road King Special FLHRXS (2017–2022) – view 4⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 773
FitmentHarley Davidson Road King Special FLHRXS (2017–2022)
Road ApprovalABE (Germany)
Mounting PositionHinten
Length329 mm
Stroke92 mm
Spring Rate25 N/
Piston Diameter36 mm
Spring Part Number00280-68
DescriptionThe whole story▼

For the Harley Davidson Road King Special FLHRXS built 2017–2022, Öhlins specifies HD 773. What a rider feels as a lack of rear grip is usually a damper that has stopped keeping up.

Key Features

  • 92 mm of damper stroke
  • Overall length 329 mm as specified by Öhlins for this model
  • Built for the Harley Davidson Road King Special FLHRXS (2017–2022); fits without modification
  • Fitted spring: Öhlins 00280-68
  • Monotube damper layout
  • Piston measuring 36 mm across
  • Gas-pressurised monotube damper with the reservoir integrated into the body
  • Delivered with a 25 N/mm spring, selected for the Road King Special FLHRXS

Fitted to the Road King Special FLHRXS

Short travel and substantial mass are a hard combination: there is little room to absorb anything, so damping quality matters more. This part number spans model years 2017 to 2022; earlier and later generations take different numbers.

Where This Sits in the Öhlins Line-up

On a retro or a classic twin the black finish often looks more period-correct than gold, and nothing about the damping changes. The STX 36 in Blackline finish: black anodised body, black spring, 36 mm damping piston. The finish suits classic and retro machines where chrome and black dominate.

How It Behaves on the Road

25 N/mm is the rate Öhlins selected after testing on the Road King Special FLHRXS. 92 mm is the stroke Öhlins specifies against the Road King Special FLHRXS's ratio. Öhlins identifies the spring as 00280-68. At 329 mm it matches the standard unit's installed length exactly. 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.

Materials and Manufacture

Every unit is dyno-tested against the curve held for its part number, not sampled from a batch. The unit is rebuildable: seals, shims and oil are catalogue items, not a reason to buy a new one. Every Öhlins dealer can re-valve the unit, because the shim stack is a documented, serviceable assembly.

Fitment and Compatibility

Öhlins releases HD 773 against the Harley Davidson Road King Special FLHRXS (2017–2022). It is model-specific rather than universal: length, stroke and valving are all set for this chassis.

Road Approval

Road approval: a German ABE covers this part on the Harley Davidson Road King Special FLHRXS. Fit it, keep the certificate with the vehicle papers, and nothing further is needed.

Specifications

  • Brand: Öhlins
  • Part Number: HD 773
  • Fitment: Harley Davidson Road King Special FLHRXS (2017–2022)
  • Road Approval: ABE (Germany)
  • Mounting Position: Hinten
  • Length: 329 mm
  • Stroke: 92 mm
  • Spring Rate: 25 N/mm
  • Piston Diameter: 36 mm
  • Spring Part Number: 00280-68
FitmentWhich bikes this fits▼
  • Harley Davidson Road King Special FLHRXS (2017–2022)
07 · Support

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