Harddrive Shock Extension 10mm Single - Harley Softail
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.
Fine-tune your Harley Softail's stance with the Harddrive 10mm Shock Extension. This precision-machined aluminum spacer is designed to adjust your ride height by 1/2 inch, perfect for dialing in your bike's look and feel.
Why riders pick this
- Adds 1/2 inch of rear ride height
- Works with 10mm remote reservoir shocks
- CNC-machined A7075 forged aluminum construction
- Maintains shock performance and adjustability
- Ideal for fine-tuning Softail suspension geometry
When you're chasing the perfect setup for your Softail, every detail matters. This Harddrive shock extension lets you subtly adjust your rear ride height, giving you more control over your bike's geometry and handling. It's built to integrate seamlessly with performance shocks, maintaining their adjustability and ride quality.
Precision Engineering for Your Suspension
- Adjusts rear ride height by 1/2 inch
- Designed for 10mm remote reservoir shock mounts
- CNC-machined from A7075 forged aluminum
- Maintains consistent performance with Speed Adaptive Valving shocks
Unlock Your Bike's Potential
Whether you're looking for a slightly more aggressive lean angle or simply want to clear a custom fender, this shock extension provides a straightforward solution. It's an ideal component for riders who are serious about optimizing their Softail's suspension without committing to entirely new shock units. Pair it with other Harddrive performance suspension components for a complete upgrade.
Specifications
- Brand: HardDrive
- Manufacturer Part #: R2010042-1
- UPC: 191361228025
- Length: 4 in
- Width: 4 in
- Height: 1.5 in
- Weight: 0.25 lbs
- Country of Origin: China (Taiwan)
Common questions
How much ride height does this extension add?
This Harddrive shock extension provides a 1/2 inch increase in your Softail's rear ride height.
Will this work with my stock Softail shocks?
This extension is specifically designed for Softail models equipped with 10mm remote reservoir shock systems. Please confirm your shock type before ordering.
Is this extension difficult to install?
Installation involves removing your current shock mount and installing the extension. While straightforward for experienced mechanics, we recommend professional installation if you are unsure.
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 | 890-01021 |
| WEIGHT | 0.25 lb |