The Ohlins HD505 STX 46 Custom & Heritage rear shock is built for riders who want more control and consistency from their Harley-Davidson Softail Fat Bob without losing the bike’s classic character. It uses a modern damping layout in a compact rear mono-shock format, aimed at improving stability and composure over real-world road surfaces. Tuning range is provided through external adjusters so you can tailor feel for load, roads and riding style.

Ohlins | Made to race, perfected to ride

Developed from Ohlins suspension know-how, the Custom & Heritage series focuses on clean integration with cruiser styling while delivering predictable damping behaviour. The goal is better ride quality and chassis control, not a radical change in the bike’s identity.

Who this shock is for

  • Softail Fat Bob riders chasing improved comfort and stability on rougher Australian roads
  • Custom and heritage builds where appearance matters as much as function
  • Owners who want tunability for solo riding, luggage or changing road conditions

Shock design & features

This is a rear mono-shock based on the STX 46 Custom & Heritage platform. It is a monotube, oil/gas separated design to help keep damping consistent through longer rides and varying conditions.

Tuning controls

  • Rebound damping adjustment
  • Spring preload adjustment

Before you install

  • Confirm fitment for your exact Harley-Davidson Softail Fat Bob model and year
  • Set sag and preload for your rider weight and typical load before fine-tuning rebound
  • If you change ride height or load substantially, re-check setup to keep handling balanced

Serviceability/lifecycle

As an Ohlins unit, this shock is designed to be serviced to maintain damping performance over time. Periodic inspection and servicing helps keep oil condition and seal integrity where they should be for consistent control.

SKU HD505
Model # S46DR1LS
Barcode # HD505
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 Mono
Shock Length Eye to Eye (mm) 330.0 +/-6
Spring Rate Standard 105.0 N/mm
Type Code S46DR1LS
Stroke Metal to Metal (mm) 43.0
Product Family STX 46 Custom & Heritage
Fitted Spring 21102-36
Spring Colour Black
Rec. Ohlins Oil 01309-

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