HARDDRIVE SKU: 890-01004

Harddrive Bazooka Preload Adjustable Rear Shocks 13" - Harley Dyna

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$592.95
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About Harddrive

Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.

Harddrive Bazooka Rear Shocks bring responsive handling to your Harley Dyna with their advanced Speed Adaptive Valving (SAV) damping technology. These 13-inch standard length shocks feature a one-piece forged aluminum body and an internal floating piston for consistent performance. Best of all, spring preload is easily adjustable without the need for special tools.

Why riders pick this

  • Speed Adaptive Valving (SAV) damping system
  • Internal Floating Piston (IFP) for stable damping
  • One-piece A7075 aluminum forged body
  • Tool-free spring preload adjustment
  • 13-inch standard length

Transform the ride of your Harley Dyna with Harddrive Bazooka Rear Shocks. Engineered for superior comfort and control, these shocks utilize an Internal Floating Piston (IFP) to separate the oil and gas, ensuring stable and consistent damping under all conditions. The robust A7075 aluminum forged body provides durability and strength, making these a solid upgrade for any rider.

Responsive Damping and Easy Adjustment

  • Speed Adaptive Valving (SAV) damping system for responsive handling
  • Internal Floating Piston (IFP) stabilizes damping performance
  • One-piece A7075 aluminum forged body for strength
  • Tool-free spring preload adjustment for quick tuning
  • 13-inch standard length for a balanced ride

Dial In Your Dyna's Ride

The 13-inch standard length of the Bazooka shocks provides a balanced ride height for your Dyna, making them a great choice for riders looking for improved performance without drastically altering their bike's stance. The tool-free preload adjustment is a game-changer, allowing you to quickly fine-tune your suspension for varying loads or riding styles, ensuring optimal comfort and control on every ride.

Specifications

  • Brand: HardDrive
  • Manufacturer Part #: R0800146-1
  • UPC: 191361139321
  • Length: 18 in
  • Weight: 10.03 lbs
  • Material: A7075 aluminum
  • Country of Origin: China (Taiwan)

Common questions

What is Speed Adaptive Valving (SAV)?

Speed Adaptive Valving (SAV) is a damping system that adjusts in real-time based on the speed of the suspension's movement. This provides a smoother ride over bumps and enhanced control during aggressive cornering.

Do I need special tools to adjust the preload on these shocks?

No, the spring preload cap is designed for hand adjustment, allowing you to easily fine-tune the preload without any special tools or wrenches.

What is the benefit of the internal floating piston (IFP)?

The Internal Floating Piston (IFP) separates the shock oil from the nitrogen gas, preventing aeration of the oil. This maintains consistent damping performance and prevents fade, even during prolonged or aggressive riding.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDHarddrive
TYPESuspension
SKU890-01004
WEIGHT10.03 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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