Triumph Bonneville Progressive 444 Suspension Shocks 12.5″ Heavy Duty Rear (2) PN MBI-444-4029C

(1 customer review)


Upgrade your Triumph Bonneville’s ride quality and handling with the Progressive 444 Suspension Shocks.

Availability: Only 2 left in stock

SKU: 200000100049 Category: Tag: Brand:

Progressive 444 Suspension Shocks

2002-2014 Bonneville T100 Progressive Suspension 444 series black shocks with chrome spring. Engineered for superior performance and durability, these 12.5″ heavy-duty rear shocks are perfect for riders seeking enhanced comfort and control on every journey. These heavy duty shocks give your bike a smoother ride and better handling, especially with a passenger. Features Progressive Suspension’s patented Frequency Sensing Technology (FST) that dynamically adjust damping as you ride. A top mount threaded pre-load adjuster allows for fine-tuning with a simple twist of the cap.

Key Features:

  • Frequency Sensing Technology (FST): Automatically adjusts damping for a superior ride, ensuring optimal comfort and performance across various road conditions.
  • Heavy-Duty Design: Built to handle heavier loads and provide increased stability, making it ideal for touring, two-up riding, or carrying luggage.
  • Adjustable Preload: Easily adjust the preload to suit your riding style and load requirements, ensuring a customized and responsive ride.
  • High-Quality Construction: Made with premium materials and a chrome finish for durability and a sleek, stylish look.
  • Direct Fit: Specifically designed for Triumph Bonneville models, ensuring easy installation and perfect compatibility.


  • Enhanced Ride Comfort: The FST technology provides a smoother and more controlled ride, absorbing bumps and irregularities in the road.
  • Improved Handling: The heavy-duty construction offers better stability and handling, particularly under heavier loads or during aggressive riding.
  • Customizable Ride: The adjustable preload allows you to fine-tune the suspension to your personal preference, providing a tailored riding experience.
  • Durable and Stylish: Built to last with high-quality materials and a chrome finish that complements the classic look of the Triumph Bonneville.

Fitment for:

  • 2001-15 Bonneville
  • 2015 Bonneville Newchurch
  • 2009-14 Bonneville SE
  • 2002-14 Bonneville T100
  • 2004-18 Rocket III models

Whether you’re hitting the small or big bumps in the road, the shock distributes oil through ports accordingly to soak up the hit making for an ultimately comfortable ride.

Check out other shocks we stock, here.

Additional Items to Consider:

Weight 8.5 lbs
Dimensions 24 × 8 × 8 in

1 review for Triumph Bonneville Progressive 444 Suspension Shocks 12.5″ Heavy Duty Rear (2) PN MBI-444-4029C

  1. Review by Owner

    Superior Ride Quality: The Frequency Sensing Technology (FST) ensures a smoother ride by automatically adjusting damping based on road conditions, providing enhanced comfort.
    Improved Handling: Heavy-duty construction improves stability and handling, especially under heavier loads or aggressive riding conditions.
    Adjustable Preload: Easily adjustable preload settings allow riders to customize the suspension to their weight and riding style, ensuring a tailored and responsive ride.
    Durability: Made from high-quality materials with a chrome finish, these shocks are built to withstand the rigors of long-term use and maintain their performance over time.
    Easy Installation: Designed for a direct fit on Triumph Bonneville models, making installation straightforward without the need for extensive modifications.
    Aesthetic Appeal: The chrome finish not only adds durability but also enhances the classic look of the Triumph Bonneville, blending seamlessly with its design.

    Price: The high-quality materials and advanced technology come at a higher price point, which might be a consideration for budget-conscious buyers.
    Weight Sensitivity: While designed for heavy-duty use, lighter riders may find the shocks to be too stiff, potentially impacting ride comfort.
    Adjustment Learning Curve: Riders may need some time to understand and properly adjust the preload settings to achieve the desired ride quality.
    Specific Compatibility: These shocks are specifically designed for Triumph Bonneville models, limiting their use to these bikes and not compatible with other models.
    Maintenance: Like all high-performance parts, these shocks may require regular maintenance to ensure they continue to perform optimally, which could be an added responsibility for the rider.

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Year Make Model Engine
Year Make Model Engine
2001 Triumph Bonneville 790
2002 Triumph Bonneville 790
2002 Triumph Bonneville T100 790
2003 Triumph Bonneville 790
2003 Triumph Bonneville T100 790
2004 Triumph Bonneville 790
2004 Triumph Bonneville T100 790
2004 Triumph Rocket III
2005 Triumph Bonneville 790
2005 Triumph Bonneville T100 790
2005 Triumph Rocket III
2006 Triumph Bonneville 790
2006 Triumph Bonneville T100 790
2006 Triumph Rocket III
2006 Triumph Rocket III Classic
2007 Triumph Bonneville EFI 865
2007 Triumph Bonneville T100 865
2007 Triumph Rocket III
2007 Triumph Rocket III Classic
2007 Triumph Rocket III Touring
2008 Triumph Bonneville EFI 865
2008 Triumph Bonneville T100 865
2008 Triumph Rocket III
2008 Triumph Rocket III Touring
2009 Triumph Bonneville EFI 865
2009 Triumph Bonneville EFI T100 865
2009 Triumph Rocket III
2009 Triumph Rocket III Touring
2010 Triumph Bonneville EFI 865
2010 Triumph Bonneville EFI T100 865
2010 Triumph Rocket III Roadster
2010 Triumph Rocket III Touring
2011 Triumph Bonneville EFI 865
2011 Triumph Bonneville EFI T100 865
2011 Triumph Rocket III Roadster
2011 Triumph Rocket III Touring
2012 Triumph Bonneville EFI 865
2012 Triumph Bonneville EFI T100 865
2012 Triumph Rocket III Roadster
2012 Triumph Rocket III Touring
2013 Triumph Bonneville EFI 865
2013 Triumph Bonneville EFI T100 865
2013 Triumph Rocket III Roadster
2013 Triumph Rocket III Touring
2014 Triumph Bonneville EFI 865
2014 Triumph Bonneville EFI T100 865
2014 Triumph Rocket III Roadster
2014 Triumph Rocket III Touring
2015 Triumph Bonneville EFI 865
2015 Triumph Rocket III Roadster
2015 Triumph Rocket III Touring
2016 Triumph Rocket III Roadster
2016 Triumph Rocket III Touring
2017 Triumph Rocket III Roadster
2017 Triumph Rocket III Touring
2018 Triumph Rocket III Roadster
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