Öhlins STX 36 Blackline Shock Absorber Harley Davidson Road Glide Ultra FLTRU (2014–2019) – view 4⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 773
FitmentHarley Davidson Road Glide Ultra FLTRU (2014–2019)
Road ApprovalABE (Germany)
Mounting PositionHinten
Length329 mm
Stroke92 mm
Spring Rate25 N/
Piston Diameter36 mm
Spring Part Number00280-68
DescriptionThe whole story▼

Every Öhlins part number covers one machine. HD 773 covers the Harley Davidson Road Glide Ultra FLTRU (2014–2019). Damping that fades turns a predictable Road Glide Ultra FLTRU into one that has to be ridden around.

Key Features

  • 92 mm of travel at the damper
  • Piston measuring 36 mm across
  • Supplied with Öhlins spring 00280-68
  • Length 329 mm, set for this chassis
  • Gas-pressurised monotube damper with the reservoir integrated into the body
  • Öhlins fits a 25 N/mm spring to this application
  • Direct fitment on the Harley Davidson Road Glide Ultra FLTRU (2014–2019)
  • Monotube damper layout

Materials and Manufacture

Materials read unremarkably on paper — aluminium, steel, nitrogen — and the difference lies in how precisely they are made. Anodising is hard-coat rather than decorative, which matters on a component exposed to road salt and stone chips. Gas pressure is set at the factory and holds through normal service intervals.

About the STX 36 Blackline Range

Servicing is identical to the standard STX 36. On a retro or a classic twin the black finish often looks more period-correct than gold, and nothing about the damping changes. Twin-shock applications are supplied as a matched pair.

The Road Glide Ultra FLTRU in Particular

Cruisers carry weight low and long, with short suspension travel doing work that a sportbike would spread over twice the stroke. The 2014–2019 generation kept the same chassis dimensions throughout, so one Öhlins number serves the whole run.

Damping and Adjustment

Spring 00280-68 is what ships with the damper; harder and softer rates are available. The 329 mm length is dictated by the Road Glide Ultra FLTRU's own geometry. A 36 mm working face means lower oil speed for a given wheel speed, and lower oil speed means less foaming. Damper stroke comes to 92 mm on this number. Preload is set separately again, and preload is what determines static sag rather than damping. Compression and rebound are adjusted independently, so support under load can be set without changing how fast the wheel returns.

Fitment and Compatibility

Öhlins releases HD 773 against the Harley Davidson Road Glide Ultra FLTRU (2014–2019). Nothing about it is generic — the mounting dimensions alone rule out a different model.

Road Approval

Road approval: ABE (Germany). The unit is covered by a German ABE for the Harley Davidson Road Glide Ultra FLTRU, so no individual inspection or entry in the vehicle documents is required. The approval document ships with the product.

Specifications

  • Brand: Öhlins
  • Part Number: HD 773
  • Fitment: Harley Davidson Road Glide Ultra FLTRU (2014–2019)
  • 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 Glide Ultra FLTRU (2014–2019)
07 · Support

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