Harddrive 1/2" Master Cylinder Rebuild 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.
This Harddrive master cylinder rebuild kit is designed for V-twin motorcycles with a 1/2" front master cylinder. It provides all the necessary internal components to restore your OEM or aftermarket master cylinder to proper operation.
Why riders pick this
- Complete seal kit for rebuild
- Fits OEM and aftermarket master cylinders
- Designed for 1/2" bore front master cylinders
- Restores proper brake function
When your front brake master cylinder starts feeling spongy or loses pressure, a rebuild is often the solution. This Harddrive kit contains high-quality seals and internal components to bring your 1/2" bore front master cylinder back to OEM specifications, ensuring a firm lever feel and reliable braking on your Harley Sportster.
Restore Braking Performance
- Complete seal kit for a thorough rebuild
- Fits both OEM and most aftermarket front master cylinders
- 1/2" bore size for specific applications
- Restores proper hydraulic function and lever feel
Maintain Your Braking System
Regular maintenance of your braking system is crucial for safety and performance. This rebuild kit offers an economical way to extend the life of your master cylinder without needing to replace the entire unit. Ideal for Sportster owners looking to maintain their front brake system with factory-level reliability.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 87898
- UPC: 191361130458
- Weight: 0.09 lbs
- Country of Origin: China (Mainland)
Common questions
What components are included in this rebuild kit?
This kit includes the necessary seals, cups, and internal springs to rebuild a 1/2" front master cylinder to OEM specifications.
Will this kit work with an aftermarket master cylinder?
Yes, this Harddrive rebuild kit is compatible with both original equipment and most aftermarket 1/2" bore front master cylinders.
Do I need special tools for installation?
Disassembly and reassembly of a master cylinder typically requires a specific rebuild tool or a bench vise. Professional installation is recommended if you're not experienced with brake system work.
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 | Brakes |
| SKU | 820-32011 |
| WEIGHT | 0.09 lb |
