Öhlins STX 36 Blackline Shock Absorber Harley Davidson Street Glide FLHX(S) (2014–2023) – view 8⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 774
FitmentHarley Davidson Street Glide FLHX(S) (2014–2023)
Road ApprovalABE (Germany)
Mounting PositionHinten
Length305 +10/-0 mm
Stroke66 mm
Spring Rate25 N/
Piston Diameter36 mm
Spring Part Number00280-21
DescriptionThe whole story▼

Öhlins developed HD 774 around the Harley Davidson Street Glide FLHX(S) (2014–2023) — its weight, its linkage and its geometry. The unit it replaces was chosen when the Street Glide FLHX(S) was costed, not when it was developed.

Key Features

  • Spring rate as delivered: 25 N/mm, matched to the Street Glide FLHX(S)
  • 66 mm of travel at the damper
  • Gas-pressurised monotube damper with the reservoir integrated into the body
  • 305 +10/-0 mm between mounting eyes
  • Direct fitment on the Harley Davidson Street Glide FLHX(S) (2014–2023)
  • Adjustable rebound damping via the knob above the lower eyelet
  • Supplied with Öhlins spring 00280-21
  • 36 mm damping piston

Fitted to the Street Glide FLHX(S)

This part number spans model years 2014 to 2023; earlier and later generations take different numbers. Cruisers carry weight low and long, with short suspension travel doing work that a sportbike would spread over twice the stroke.

How Öhlins Builds It

Öhlins sets a baseline for each part number on the machine it was developed on, so it works before anything is adjusted. The damper body is hard-anodised aluminium, which resists both corrosion and the thermal cycling a rear shock lives with. Service parts stay available for years after a part number leaves the current price list.

Damping and Adjustment

305 +10/-0 mm of adjustment turns ride height into a setting rather than a fixed dimension. 66 mm of stroke is what the Street Glide FLHX(S)'s linkage allows, and the shim stack is set for exactly that. The spring carries Öhlins number 00280-21 and can be exchanged for a different rate without replacing the damper. Piston diameter is 36 mm, which is the figure that decides how hard the oil has to be pushed. A single click produces a change most riders can detect, which is not true of every adjustable damper. Adjustment is by click rather than by feel, so a setting can be written down and returned to.

The STX 36 Blackline in Detail

The finish suits classic and retro machines where chrome and black dominate. Twin-shock applications are supplied as a matched pair. On a retro or a classic twin the black finish often looks more period-correct than gold, and nothing about the damping changes.

Fitment and Compatibility

The fitment stated here is the Harley Davidson Street Glide FLHX(S) in its 2014–2023 form, under Öhlins part number HD 774. Nothing about it is generic — the mounting dimensions alone rule out a different model.

Road Approval

Road approval: the Harley Davidson Street Glide FLHX(S) is covered by a German ABE for this part number. The certificate is supplied and should stay with the vehicle documents.

Specifications

  • Brand: Öhlins
  • Part Number: HD 774
  • Fitment: Harley Davidson Street Glide FLHX(S) (2014–2023)
  • Road Approval: ABE (Germany)
  • Mounting Position: Hinten
  • Length: 305 +10/-0 mm
  • Stroke: 66 mm
  • Spring Rate: 25 N/mm
  • Piston Diameter: 36 mm
  • Spring Part Number: 00280-21
FitmentWhich bikes this fits▼
  • Harley Davidson Street Glide FLHX(S) (2014–2023)
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