The Ohlins HD816 rear suspension is a twin-shock unit built for Harley-Davidson Dyna FXD models that need controlled damping and consistent behaviour on real roads. Based on Ohlins STX architecture, it focuses on stability, grip and predictable chassis response under braking, acceleration and changing surfaces. It is designed to be tunable without making the system complex to live with.

Ohlins | Made to race, perfected to ride

Ohlins twin shocks are engineered around stable damping control and repeatable performance. The STX 36 platform is widely used where ride feel, support and durability matter as much as outright control.

Who this shock is for

Suited to Dyna FXD riders who want a clearer connection to the road and improved stability without sacrificing comfort. It fits riders who value adjustability for load changes, different roads and personal preference.

Shock design & features

This is an oil/gas separated design to help maintain damping consistency during longer rides and varying conditions. As a twin-shock rear setup, it’s intended to keep the rear of the bike settled and predictable through corners and during hard braking.

Tuning controls

You can adjust rebound damping and spring preload. These adjustments let you control how quickly the rear recovers after bumps and how much support it provides under acceleration, braking and with added load.

Before you install

  • Confirm fitment to Harley-Davidson Dyna FXD and check overall condition of mounting hardware and bushings before installation.
  • After installation, set sag and verify clearance at full travel, especially if ride height has been altered from stock.
  • Any damping or preload changes should be made in small steps so you can feel the difference and keep the setup balanced.

Serviceability/lifecycle

Ohlins shocks are designed to be serviced to maintain performance over time. Routine servicing helps keep damping consistent and protects internal components, particularly on bikes used regularly or in harsher conditions.

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 HD816
Model # S36DR1L
Barcode # HD816
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) 325.0 +5/-5
Spring Rate Standard 32.0 N/mm
Type Code S36DR1L
Stroke Metal to Metal (mm) 68.0
Product Family STX 36 Twin
Fitted Spring 66422-032 21180-01
Spring Colour Black

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