Öhlins STX 36 Blackline Shock Absorber Harley Davidson Electra Glide Ultra Limited Low FLHTKL (2017–2019) – view 8⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 774
FitmentHarley Davidson Electra Glide Ultra Limited Low FLHTKL (2017–2019)
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 Electra Glide Ultra Limited Low FLHTKL (2017–2019) — its weight, its linkage and its geometry. Standard rear dampers are built to a price; this one is built to a specification.

Key Features

  • Bolts to the Harley Davidson Electra Glide Ultra Limited Low FLHTKL (2017–2019) using the standard mounting points
  • Gas-pressurised monotube damper with the reservoir integrated into the body
  • Monotube damper layout
  • Adjustable overall length for ride-height and geometry changes
  • Öhlins 36 mm piston
  • Adjustable rebound damping via the knob above the lower eyelet
  • Stroke: 66 mm
  • Fitted spring: Öhlins 00280-21

Where This Sits in the Öhlins Line-up

Servicing is identical to the standard STX 36. The STX 36 in Blackline finish: black anodised body, black spring, 36 mm damping piston. Blackline in the STX 36 range means black anodising and a black spring, with the 36 mm damping hardware unchanged.

Why This Machine Needs It

Öhlins covers the 3-year production run of this generation with a single part number, which means the mounting and the linkage stayed unchanged across it.

Damping and Adjustment

At 36 mm the piston is large enough that the shim stack, not the orifice, decides the damping. A 25 N/mm spring comes fitted, and it is the first thing to reconsider if the rider is heavy or light. The 305 +10/-0 mm length window lets ride height be set rather than accepted, and ride height sets the steering geometry. Öhlins identifies the spring as 00280-21. The two adjusters do genuinely separate jobs, which is what makes methodical setup possible. A single click produces a change most riders can detect, which is not true of every adjustable damper.

Materials and Manufacture

Shafts are hardened and surface-treated so the seal has a consistent surface to run against. Two units carrying the same part number behave the same way out of the box, which is the whole point of testing each one. Öhlins machines its own critical components instead of buying them in, and the tolerances are where the money goes.

Fitment and Compatibility

The fitment stated here is the Harley Davidson Electra Glide Ultra Limited Low FLHTKL in its 2017–2019 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: ABE (Germany) for the Harley Davidson Electra Glide Ultra Limited Low FLHTKL. That means no TÜV appointment and no entry in the registration document — the paperwork comes in the box.

Specifications

  • Brand: Öhlins
  • Part Number: HD 774
  • Fitment: Harley Davidson Electra Glide Ultra Limited Low FLHTKL (2017–2019)
  • 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 Electra Glide Ultra Limited Low FLHTKL (2017–2019)
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08 · Paddock

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