The Ohlins BM492 STX 46 Blackline rear shock absorber is designed for the BMW R nineT Scrambler and R nineT Urban G/S. It brings modern damping control in a package that suits classic and custom builds, with a Blackline finish to match the bike’s styling. Built as a rear mono shock, it’s intended to improve stability and ride comfort while keeping the bike’s character intact.

Ohlins | Made to race, perfected to ride

Ohlins street shocks are developed with a focus on consistent damping and predictable chassis behaviour. The STX 46 Blackline family is aimed at riders who want a premium suspension feel with understated aesthetics.

Who this shock is for

  • BMW R nineT Scrambler and R nineT Urban G/S riders looking to refine comfort and control on the road
  • Owners building a vintage-inspired or custom look who want a Blackline finish
  • Riders who value adjustability to suit load, tyres, and riding style

Shock design & features

This is an STX 46 Blackline rear mono shock with a separated oil and gas design for stable damping behaviour over longer rides. The architecture is intended to maintain control and reduce fade compared with simpler emulsion-style layouts.

Tuning controls

The BM492 provides external adjustment for rebound damping, compression damping, and spring preload. These controls allow you to tailor the bike’s response to road conditions and rider/passenger or luggage changes without needing internal modifications.

Before you install

  • Confirm application fitment for your exact BMW R nineT Scrambler / Urban G/S model and year
  • Set sag and preload first, then fine-tune rebound and compression for balance and grip
  • Inspect linkage and mounting hardware condition during installation to ensure the shock can perform as intended

Serviceability/lifecycle

Ohlins shocks are designed to be serviceable, with internal components that can be maintained over time. Periodic servicing helps keep damping consistent and prolongs the working life of the unit.

SKU BM492
Model # S46PR1C1LB (B)
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) 374.0 +7/-5
Spring Rate Standard 160.0 N/mm
Type Code S46PR1C1LB (B)
Stroke Metal to Metal (mm) 52.5
Product Family STX 46 Blackline
Fitted Spring: 21102-64
Spring Colour Black

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