Harddrive Scepter 25 49mm Medium Weight Cartridge Kit - Harley FLH/FLT Touring
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Specifications
| BRAND | Harddrive |
| TYPE | Suspension |
| SKU | 890-01211 |
| PART NUMBER | R0900108-2 |
| CATEGORY | Suspension |
| DAMPING PISTON | 25mm CNC 7075-T6 |
| SPRINGS | Cr-Si steel |
| ADJUSTMENTS | Preload, compression, rebound (24 clicks each) |
| PRELOAD ADJUSTMENT | 15mm on both sides |
| FORK TUBE REQUIREMENT | 2 inches longer fork tubes required |
| WEIGHT | 6.7 lb |
Fitment
Fits these motorcycles
Listed per manufacturer fitment data. Not sure? Email us and we confirm before you order.
The Harddrive Scepter 25 49mm Medium Weight Cartridge Kit is a front-end suspension upgrade built around a 25mm CNC 7075-T6 damping piston. The kit replaces stock fork internals with a cartridge system meant to give the front end more stability and responsiveness, which matters on a heavier motorcycle where the front wheel is doing a lot of work under braking and in corners.
Riders choose this kit for its consistent, adjustable damping. Preload, compression, and rebound are each adjustable with a 24-click range, and preload can be fine-tuned 15mm on both sides. Cr-Si steel springs provide a consistent spring rate and fatigue resistance, and the nitrogen-charged oil/gas separation system is designed to keep damping performance steady over time. The kit is pre-tuned from the factory, so it delivers a solid ride right out of the box with minimal post-installation adjustment. Installation note: the cartridge is 2 inches longer than stock, so the kit requires fork tubes that are 2 inches longer for proper installation, ensuring adequate travel and geometry. Weight is listed at 6.7 lbs.
Specifications
- Brand: Harddrive
- Part Number: R0900108-2
- Category: Suspension
- Damping Piston: 25mm CNC 7075-T6
- Springs: Cr-Si steel
- Adjustments: Preload, compression, rebound (24 clicks each)
- Preload Adjustment: 15mm on both sides
- Weight: 6.7 lbs
- Fork Tube Requirement: 2 inches longer fork tubes required
Common questions
What is the damping piston made of?
The damping piston is 25mm and CNC machined from 7075-T6 material for stable, consistent damping.
How adjustable is the kit?
Preload, compression, and rebound are each adjustable with a 24-click range, and preload can be adjusted 15mm on both sides.
Does the kit require any other parts for installation?
Because the cartridge is 2 inches longer than stock, the kit requires fork tubes that are 2 inches longer.
