Harddrive Scepter 25 39mm Fork Cartridge Kit - Harley 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.
Transform your Harley Sportster's front suspension with the Harddrive Scepter 25 Fork Cartridge Kit. This advanced system brings tunable damping and improved ride quality to your 39mm front forks, delivering a superior handling experience.
Why riders pick this
- 25mm damping piston with IFP design for stable performance
- Fully adjustable rebound and compression damping
- 15mm preload adjustment on both fork legs
- Cr-Si steel springs for consistent rate and durability
- Enhances front-end control and ride quality
- Significant upgrade over stock Sportster forks
The Harddrive Scepter 25 Fork Cartridge Kit is a significant upgrade for Sportster riders looking to ditch the limitations of stock damping. Featuring a robust 25mm CNC 7075-T6 damping piston and an IFP (Internal Floating Piston) design, this kit provides stable and consistent suspension performance. You'll feel a dramatic improvement in front-end control, especially during spirited riding or when encountering rough roads, allowing you to push your Sportster harder and with greater confidence.
Precision Tunability for Your Ride
- 25mm CNC 7075-T6 damping piston with IFP design for stable performance
- Cr-Si steel springs provide a consistent rate and fatigue resistance
- 24-click rebound adjuster allows fine-tuning for desired feel
- 24-click compression adjuster to dial in damping characteristics
- 15mm preload adjustability on both legs for sag setup
Unlock Your Sportster's Potential
This Scepter 25 kit isn't just about adjustability; it's about unlocking the true performance potential of your Harley Sportster. The ability to precisely adjust rebound, compression, and preload means you can tailor the suspension to your weight, riding style, and local road conditions. Whether you're commuting, carving canyons, or hitting the track, this fork cartridge kit provides the foundation for a truly personalized and high-performance front end.
Specifications
- Brand: Harddrive
- Manufacturer Part #: R0900101-1
- UPC: 191361117473
- Material: 7075-T6 aluminum piston, Cr-Si steel springs
- Length: 35 in
- Width: 5 in
- Height: 4.25 in
- Weight: 5.9 lbs
- Country of Origin: China (Taiwan)
Common questions
What kind of adjustments does this fork cartridge kit offer?
The Harddrive Scepter 25 kit provides 24-click rebound adjustment, 24-click compression adjustment, and 15mm of preload adjustability on both fork legs, allowing for comprehensive tuning to your preference.
Will this kit fit my specific Harley Sportster model?
This kit is designed for Harley-Davidson Sportster models with 39mm front forks, including XL883R and XL1200V. We recommend using our Shop by Bike tool or confirming with your specific year and model for precise fitment before ordering.
Is this a complete bolt-on installation?
This is a cartridge kit that replaces the internal components of your stock 39mm forks. Installation typically requires disassembling the front forks and can involve specialized tools. Professional installation is often recommended.
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 | 890-01167 |
| WEIGHT | 5.9 lb |