Harddrive Remote Reservoir 12.5" Heavy Rear Shocks - Harley Dyna & Sportster
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.
Elevate your Harley Dyna or Sportster's handling with Harddrive remote reservoir 12.5-inch heavy-duty rear shocks. Featuring Speed Adaptive Valving, these shocks offer comprehensive adjustability for preload, compression, and rebound, allowing you to fine-tune your suspension for any riding style or load. The robust A7075 forged aluminum construction ensures durability and consistent performance.
Why riders pick this
- Speed Adaptive Valving (SAV) for superior damping
- Internal floating piston design for consistent performance
- Progressive rate springs handle varying loads
- CNC machined A7075 forged aluminum construction
- Fully adjustable preload, compression, and rebound
- Remote reservoir for enhanced heat dissipation
These Harddrive remote reservoir shocks bring race-proven technology to your V-twin. The Speed Adaptive Valving (SAV) system works in conjunction with internal floating pistons and progressive-rate springs to deliver a plush yet controlled ride. Whether you're hitting the twisties or cruising long distances, the ability to independently adjust preload, compression, and rebound means your bike will respond exactly how you want it to.
Unmatched Adjustability and Control
- Speed Adaptive Valving (SAV) technology for responsive damping
- Internal Floating Piston (IFP) design ensures consistent performance
- Progressive rate springs with tapered ends for smooth action
- CNC machined A7075 forged aluminum construction
- Full three-way adjustability: preload, compression, and rebound
Engineered for Demanding Riders
Designed for riders who demand the most from their suspension, these remote reservoir shocks are built to withstand aggressive riding and heavy loads. The remote reservoir design helps dissipate heat more effectively, maintaining consistent damping performance even under extreme conditions. For a truly custom setup, explore pairing these with a matching front suspension upgrade.
Specifications
- Brand: HardDrive
- Manufacturer Part #: R0800151-2
- UPC: 191361114564
- Length: 18 in
- Width: 9 in
- Height: 3 in
- Weight: 10 lbs
- Country of Origin: China (Taiwan)
Common questions
Can I adjust these shocks after installation?
Yes, these shocks offer full three-way adjustability, allowing you to dial in preload, compression damping, and rebound independently.
What is the benefit of a remote reservoir?
A remote reservoir increases fluid capacity and helps dissipate heat more efficiently, leading to more consistent damping performance, especially during aggressive riding or long trips.
Will these fit my Sportster?
These shocks are designed to fit Harley-Davidson Dyna and Sportster models. For specific fitment details, please use our Shop by Bike tool.
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 | 890-01016 |
| WEIGHT | 10.0 lb |