Harddrive Scepter Medium 49mm Option Spring - Harley & Indian V-Twin
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.
Achieve a finely tuned ride with the Harddrive Scepter medium 49mm option spring for V-twin motorcycles. This option spring is designed to work in conjunction with your primary spring, allowing you to customize the feel of your Harley-Davidson or Indian Motorcycle's rear suspension.
Why riders pick this
- Medium 49mm spring rate for balanced feel
- Option spring for dual-spring suspension systems
- Fine-tunes preload, softness, or stiffness
- Optimizes ride for mid-weight riders or loads
When dialing in your V-twin's suspension, an option spring like this Harddrive Scepter medium 49mm allows for precise adjustments to preload and overall stiffness. It's a common component in dual-spring setups, enabling riders to optimize their suspension for personal preference, weight, and riding conditions, moving beyond a one-size-fits-all factory setting.
Customizable Suspension Feel
- 49mm medium spring rate for balanced performance
- Option spring for fine-tuning dual-spring setups
- Ideal for mid-weight riders or moderate load conditions
- Compatible with V-twin motorcycle rear suspension systems
Optimizing Your Rear Suspension
Understanding how option springs work is key to getting the most out of your V-twin's rear suspension. This 49mm medium rate spring can influence how your bike handles bumps, corners, and overall stability. Always verify your current spring rate and consult your bike's suspension manual to ensure compatibility and achieve the desired effect when pairing this with your primary spring.
Specifications
- Brand: Harddrive
- Manufacturer Part #: R3050078
- UPC: 191361137044
- Spring Rate: 49mm (medium)
- Length: 35 in
- Width: 5 in
- Height: 4.25 in
- Weight: 5.9 lbs
- Country of Origin: China (Taiwan)
Common questions
What does an option spring do in a V-twin suspension system?
Option springs, like this one, work alongside a primary spring to adjust preload, softness, or stiffness. They are installed in parallel or series depending on your suspension design to fine-tune your ride.
How do I know if I need a 49mm medium spring for my Harley or Indian?
To determine the correct spring, check your bike's current spring rate and suspension manual. A 49mm medium rate typically suits mid-weight riders or moderate load conditions. Confirm fitment using our Shop by Bike tool.
Is this spring designed for single or dual-spring setups?
This Harddrive Scepter spring is an option spring, commonly used in V-twin motorcycles with dual-spring rear suspension systems to fine-tune the overall suspension performance.
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 | 890-01253 |
| WEIGHT | 5.9 lb |
