The Ohlins HD218 STX 36 twin rear shocks are built for Harley-Davidson Dyna FXD models needing more controlled damping and a more composed chassis over real-world roads. This is a gas-pressurised twin-shock set-up designed to maintain consistent response as conditions change. Adjustment is focused on rebound damping and spring preload for practical tuning without complexity.

Ohlins | Made to race, perfected to ride

Ohlins suspension is developed with a clear engineering focus: stable damping control, predictable feedback, and repeatable tuning. On a Dyna, that translates to better support through corner entry and improved stability when load and grip vary.

Who this shock is for

Suited to riders who want a more controlled rear end on a Dyna FXD without moving away from a twin-shock layout. It’s a solid match for street use where consistency, traction feel, and ride control matter more than chasing extremes.

Shock design & features

This is a gas-pressurised design that helps reduce damping fade during longer rides and repeated heat cycles. The STX 36 twin-shock architecture is intended to deliver stable damping characteristics and good sensitivity across typical road inputs.

Tuning controls

  • Rebound damping adjustment to control how quickly the rear returns after compression, influencing stability and grip feel.
  • Spring preload adjustment to set ride height support for rider weight and load.

Before you install

  • Confirm fitment for Harley-Davidson Dyna FXD and ensure both shocks are installed as a matched pair.
  • Set preload for your typical rider/load first, then fine-tune rebound damping to suit your road conditions.
  • After installation, re-check fasteners and clearances through full suspension movement.

Serviceability/lifecycle

Like other Ohlins units, these shocks are designed to be maintained to keep damping performance consistent over time. Periodic servicing is recommended as operating hours and conditions accumulate.

Öhlins Motorcycle Suspension Warranty

New Öhlins motorcycle shock absorbers, front forks and cartridge kits supplied by Teknik Motorsport are covered by the applicable Öhlins manufacturer’s warranty against defects in materials and workmanship.

Teknik Motorsport is an authorised Öhlins Service Centre and administers warranty claims in accordance with the Öhlins warranty conditions. The service intervals below form part of the maintenance requirements for Öhlins products supplied and supported by Teknik Motorsport.

This warranty is in addition to the consumer guarantees that apply under the Australian Consumer Law.

  • Registered motorcycles — non-competition road use Five years, subject to correct application, installation, setup and servicing every: 20,000 km or two years, whichever occurs first.
  • Registered motorcycles — adventure and light off-road use Five years, subject to correct application, spring rate, setup and servicing every: 10,000 km or annually, whichever occurs first.
  • Unregistered or competition motorcycles Two years for eligible Öhlins MX and Enduro products, subject to inspection every ten hours and servicing every: 30 operating hours or annually, whichever occurs first.

Compliance with the applicable service interval is a condition of the Öhlins manufacturer’s warranty. Evidence of servicing may be required when a warranty claim is assessed.

A seal leak, loss of damping performance or internal wear arising after the prescribed service interval has been exceeded will be treated as a service or maintenance issue rather than a manufacturing defect.

Warranty repairs

Öhlins suspension products are designed to be serviced and repaired. Where a warranty claim is approved, the normal remedy is repair of the customer’s original suspension unit using genuine Öhlins replacement parts.

Replacement of a complete shock absorber, fork or cartridge kit is not automatic and would normally occur only where the product has suffered a manufacturing failure that cannot reasonably be repaired. This is at Ohlins discretion. 

Öhlins spare parts and service kits

Öhlins spare parts, seals, bushes, service kits, springs, fluids and individual components are covered only against defects present when supplied.

No fixed age-based warranty applies to wear items, service parts or consumable components. Wear, deterioration, contamination, incorrect installation and damage caused by another component are not manufacturing defects.

Öhlins gives the customer a meaningful five-year warranty on products (Units), provided the suspension is maintained as suspension should be maintained. Teknik supports that warranty locally, can inspect the product properly, and can repair it with genuine parts rather than discarding it.

SKU HD218
Model # S36K
Brand Ohlins
Shipping Weight 5.0000kg
Shipping Size 0.300 x 0.300 x 0.500m
Type Units
See our Shipping Information See our Frequently Asked Questions
Position (Front or Rear) Rear Twin
Shock Length Eye to Eye (mm) 305.0
Type Code S36K
Stroke Metal to Metal (mm) 66.0
Product Family STX 36 Twin
Fitted Spring 03195-08 (C)

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