The Tractive X-TREME fork cartridge kit for the BMW F 850 GS Adventure replaces the original fork internals with a pressurised, closed cartridge system for more consistent damping control over long rides. This is a lowered configuration, reducing front ride height by 30 mm to help improve reach and confidence at stops. The sealed, gas-pressurised architecture helps reduce foaming and fade compared with open-bath style designs, especially when conditions are rough or sustained.

Design & features

This kit is built around sealed, closed cartridges that manage oil flow in a controlled, pressurised environment. The result is a more stable damping character as temperatures and workload change, with a focus on control and predictability for adventure riding. The lowered configuration is integrated into the cartridge setup rather than relying on spacers alone.

Tuning Controls

Rebound adjustment is provided to let you tailor how quickly the fork returns after compression. Mechanical spring preload adjustment is also included to set sag for rider weight, luggage, and preferred chassis attitude.

Who is this for?

Suited to riders of the BMW F 850 GS Adventure who want a lower front ride height while maintaining composed front-end behaviour on mixed surfaces. It also fits riders who prioritise consistent damping feel across long days where heat and repeated impacts can challenge fork performance.

Before You Install

  • Confirm the bike model and year compatibility before ordering or booking installation.
  • Plan to set rider sag after installation using the preload adjusters, with your normal riding gear and typical load.
  • Professional installation is recommended to ensure correct assembly, oil fill procedure, and safe operation.

Serviceability/Lifecycle

Tractive cartridges are designed to be fully serviceable, allowing routine maintenance and rebuilds to keep damping performance consistent over the product’s life. Regular servicing also helps maintain seal condition and oil quality in the closed, pressurised system.

Teknik Motorsport Pty Ltd Warranty terms for TracTive products.

This TracTive product has been assembled with the utmost care and tested according to ISO9001:2015 Quality system. In the unlikely event that the product does not fulfill your expectations because of faulty materials or manufacturing errors, please contact us through your dealer.

Teknik Motorsport Pty Ltd warrants that if, within 24 months of the date of sale the product is found to be defective as a result of manufacturing errors or faulty components, the product will be repaired free of charge by us, or by a TracTive approved repairer at our discretion.

Warranty covers the direct service material cost, service labour cost ($80/hr AUD) and shipping costs of the service partner. Other costs will be regarded on a case by case basis by Teknik Motorsport and TracTive.

 When a claim is made under the warranty, the following conditions have to be met:

  • You must have read the instructions carefully before mounting the product in the vehicle or adjusting the product.
  • The product has to be installed and adjusted as described in the instructions
  • The product must have been maintained and serviced in accordance with the recommendations in the manual. If not described in the manual, the recommended service intervals for regular street use: every 30.000 km or max 2 years, whichever is earlier.
  • Warranty shall apply only when TracTive original parts, procedures and tools have been used to service and/or repair, and if service and repair is performed by designated TracTive partners.
  • The product may not have been neglected, improperly used, altered or subjected to excessive loads. Excluded from warranty are normal wear, damage and rust.
  • A sales receipt or other proof of purchase originally eminating from Teknik Motorsport Pty Ltd. No warranty will be given on TracTive or Touratech products not purchased from or through Teknik Motorsport pty ltd.
  • Excluded from warranty are in particular products which are used in vehicles that are intended or suitable for taking part in sporting events, or have actually been used this way.
  • Recommended service interval for Motorsport applications: every season, or every 50 hours, every 10.000km or after any perceived loss in performance.
SKU 35BM19-R5304-TR
Model # 35BM19-R5304-TR
Barcode # 35BM19R5304TR
Brand TracTive Suspension
Shipping Weight 5.0000kg
Shipping Size 0.200 x 0.200 x 0.900m
Unit Of Measure Set
Type X-TREME
See our Shipping Information See our Frequently Asked Questions
Position (Front or Rear) Front
Damping Adjustment Type Rebound
Seat Height Change (mm) Lowered -30
Shock Length Eye to Eye (mm) 850.0
Spring Rate Standard 6.4 N/mm
Type Code X-TREME
Stroke Metal to Metal (mm) 200.0
Notes Hydraulic end-stop
Fitted Spring 6.4-390

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