Öhlins STX 36 Blackline Shock Absorber Harley Davidson Sportster XL 1200 C Custom (2017–2018) – view 5⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part NumberHD 751
FitmentHarley Davidson Sportster XL 1200 C Custom (2017–2018)
Road ApprovalABE (Germany)
Mounting PositionHinten
Length296 mm
Stroke59 mm
Spring Rate19 N/
Piston Diameter36 mm
Spring Part Number00281-72 or 66419-019
DescriptionThe whole story▼

Part number HD 751 is what Öhlins supplies for the Harley Davidson Sportster XL 1200 C Custom, model years 2017–2018. A factory shock is set for an average rider on an average road, and few riders are either.

Key Features

  • Öhlins length specification: 296 mm
  • Damping piston: 36 mm
  • Built for the Harley Davidson Sportster XL 1200 C Custom (2017–2018); fits without modification
  • Öhlins spring 00281-72 or 66419-019 included
  • Monotube damper layout
  • Gas-pressurised monotube damper with the reservoir integrated into the body
  • 59 mm working stroke
  • Delivered with a 19 N/mm spring, selected for the Sportster XL 1200 C Custom

What This Means on the Sportster XL 1200 C Custom

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

Materials and Manufacture

Materials read unremarkably on paper — aluminium, steel, nitrogen — and the difference lies in how precisely they are made. Seals are specified for temperature stability rather than for the lowest unit cost. The eyelets carry spherical bearings rather than rubber bushes, so the damper is not fighting its own mounting.

Damping and Adjustment

Öhlins quotes 59 mm of damper stroke for this fitment. Öhlins fits a 19 N/mm spring to this number; riders far from average weight should expect to change it. The 36 mm piston is the same size Öhlins uses across this platform, and the shim stack is what makes it model-specific. The spring carries Öhlins number 00281-72 or 66419-019 and can be exchanged for a different rate without replacing the damper. Öhlins publishes a baseline setting for each part number, which is the sensible starting point. Adjustment is by click rather than by feel, so a setting can be written down and returned to.

The STX 36 Blackline in Detail

Blackline in the STX 36 range means black anodising and a black spring, with the 36 mm damping hardware unchanged. 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.

Fitment and Compatibility

Öhlins part number HD 751 is the correct number for the Harley Davidson Sportster XL 1200 C Custom as built 2017–2018. It is model-specific rather than universal: length, stroke and valving are all set for this chassis.

Road Approval

Road approval: the Harley Davidson Sportster XL 1200 C Custom 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 751
  • Fitment: Harley Davidson Sportster XL 1200 C Custom (2017–2018)
  • Road Approval: ABE (Germany)
  • Mounting Position: Hinten
  • Length: 296 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 C Custom (2017–2018)
07 · Support

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