Öhlins STX 36 Blackline Shock Absorber Harley Davidson Sportster XL 1200 XS Forty-Eight Special (2018–2019) – view 6⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 752
FitmentHarley Davidson Sportster XL 1200 XS Forty-Eight Special (2018–2019)
Road ApprovalNot documented by Öhlins
Mounting PositionHinten
Length296 +10/-0 mm
Stroke59 mm
Spring Rate19 N/
Piston Diameter36 mm
Spring Part Number00281-72 or 66419-019
DescriptionThe whole story▼

HD 752 is the Öhlins number for the Harley Davidson Sportster XL 1200 XS Forty-Eight Special as sold between 2018 and 2019. On the Sportster XL 1200 XS Forty-Eight Special the rear unit does most of the work of keeping the chassis settled.

Key Features

  • Adjustable rebound damping via the knob above the lower eyelet
  • Adjustable compression damping at the reservoir
  • Monotube damper layout
  • Fitted spring rate 19 N/mm, chosen by Öhlins for the Sportster XL 1200 XS Forty-Eight Special
  • Gas-pressurised damper with a piggyback external reservoir
  • Adjustable overall length for ride-height and geometry changes
  • 36 mm piston diameter
  • Direct fitment on the Harley Davidson Sportster XL 1200 XS Forty-Eight Special (2018–2019)

Why This Machine Needs It

Cruisers carry weight low and long, with short suspension travel doing work that a sportbike would spread over twice the stroke. At 1200 cc the Sportster XL 1200 XS Forty-Eight Special makes enough torque to load the rear hard on corner exit, and the damper has to keep the wheel in contact while that happens.

How It Behaves on the Road

Öhlins identifies the spring as 00281-72 or 66419-019. Öhlins uses a 36 mm piston here: more area, lower oil velocity, less heat generated for the same force. A 19 N/mm spring comes fitted, and it is the first thing to reconsider if the rider is heavy or light. The damper moves 59 mm from full extension to full compression. Preload is set separately again, and preload is what determines static sag rather than damping. Öhlins publishes a baseline setting for each part number, which is the sensible starting point.

The STX 36 Blackline in Detail

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. Twin-shock applications are supplied as a matched pair.

How Öhlins Builds It

The Öhlins part number is stamped on the unit, so its specification can be looked up years later. Two units carrying the same part number behave the same way out of the box, which is the whole point of testing each one. Seals are specified for temperature stability rather than for the lowest unit cost.

Fitment and Compatibility

What follows applies to the Harley Davidson Sportster XL 1200 XS Forty-Eight Special built 2018–2019, which is the machine HD 752 is listed for. Öhlins lists no other machine against this number, so it is not a unit that can be adapted to a neighbouring model.

Road Approval

Road approval: unclear. There is no published German approval for this part on the Harley Davidson Sportster XL 1200 XS Forty-Eight Special, and we would rather tell you that than imply one exists.

Specifications

  • Brand: Öhlins
  • Part Number: HD 752
  • Fitment: Harley Davidson Sportster XL 1200 XS Forty-Eight Special (2018–2019)
  • Road Approval: Not documented by Öhlins
  • Mounting Position: Hinten
  • Length: 296 +10/-0 mm
  • Stroke: 59 mm
  • Spring Rate: 19 N/mm
  • Piston Diameter: 36 mm
  • Spring Part Number: 00281-72 or 66419-019
FitmentWhich bikes this fits▼
  • Harley Davidson Sportster XL 1200 XS Forty-Eight Special (2018–2019)
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