Harddrive Bazooka 12.5" Standard Preload Adjustable Rear Shocks - Harley Sportster FXR
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.
Transform your Harley Sportster or FXR's handling with Harddrive Bazooka 12.5-inch standard rear shocks. These shocks feature race-proven Speed Adaptive Valving (SAV) for real-time damping adjustments and an internal floating piston for consistent performance. Enjoy tool-free preload adjustments for easy tuning.
Why riders pick this
- Speed Adaptive Valving (SAV) damping system
- Internal Floating Piston (IFP) for stable damping
- One-piece forged A7075 aluminum body
- Tool-free preload adjustment cap
- 12.5-inch standard length for stock ride height
For Sportster and FXR riders seeking a significant upgrade in ride quality and control, the Harddrive Bazooka 12.5-inch standard rear shocks deliver. The core of their performance lies in the Speed Adaptive Valving (SAV) system, which dynamically adjusts damping to match varying road conditions, from smooth pavement to rougher terrain. This ensures a consistently comfortable and controlled ride, enhancing your confidence on every journey.
Race-Proven Technology for the Street
- Speed Adaptive Valving (SAV) damping system for dynamic response
- Internal Floating Piston (IFP) stabilizes damping performance
- One-piece forged A7075 aluminum body for strength and durability
- Tool-free preload adjustment via spring preload cap
- 12.5-inch standard length for maintaining stock ride height
Durable Construction, Simple Adjustability
Crafted from a one-piece forged A7075 aluminum body, these Bazooka shocks are built to withstand the demands of aggressive riding and daily use. The internal floating piston design prevents aeration, ensuring consistent damping without fade. Adjusting the spring preload is incredibly simple, requiring no special tools—just turn the cap by hand to fine-tune your suspension for different loads or riding styles. This combination of advanced technology and user-friendly design makes them an ideal upgrade for any Sportster or FXR enthusiast.
Specifications
- Brand: HardDrive
- Manufacturer Part #: R0800139-1
- UPC: 191361143861
- Length: 18 in
- Width: 9 in
- Height: 3 in
- Weight: 7.99 lbs
- Country of Origin: China (Taiwan)
Common questions
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 your suspension stiffness without the need for any special tools.
What is Speed Adaptive Valving (SAV) and how does it improve my ride?
SAV is a race-proven damping system that automatically adjusts damping in real time to deliver consistent ride quality across varying road conditions, providing better comfort and control.
Will these shocks fit my Sportster or FXR model?
These 12.5-inch shocks are designed for Harley-Davidson Sportster (XL) models and FXR models. Please use the Shop by Bike feature on our website to confirm fitment for your specific year and model before ordering.
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.
| BRAND | Harddrive |
| TYPE | Suspension |
| SKU | 890-01040 |
| WEIGHT | 7.99 lb |
