Harddrive 4-Piston Springer Caliper Chrome - Aftermarket Springer Front Ends
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.
Boost the stopping power and aesthetics of your custom V-twin with this Harddrive 4-piston springer caliper. Finished in brilliant chrome, it's engineered for aftermarket springer front ends, providing reliable braking performance and a show-quality look.
Why riders pick this
- Improved stopping power with a 4-piston design
- Brilliant chrome finish for a custom look
- Corrosion-resistant stainless steel pistons
- Mounts on either left or right side
- Designed for 11.5-inch rotors and 3/4-inch axles
- Complete kit with all mounting hardware
When you're building a custom V-twin, every component matters, especially your brakes. This Harddrive 4-piston caliper delivers a significant upgrade over stock units, offering improved modulation and stopping force. Its chrome finish ensures it stands out, complementing the custom look of your springer front end while providing the critical performance you need for confident riding.
Enhanced Braking Performance
- 4-piston design provides superior clamping force and feel
- Durable stainless steel pistons resist corrosion and heat
- Brilliant chrome finish for a custom, show-quality appearance
- Versatile mounting for either left or right side applications
- Complete kit with all necessary mounting hardware included
Optimized for Custom Springer Builds
This Harddrive caliper is specifically designed for V-twin motorcycles equipped with aftermarket springer front ends. It's compatible with 11.5-inch brake rotors and 3/4-inch axles, making it a straightforward upgrade for many custom setups. Always ensure your rotor size and axle diameter match for proper and safe installation, and consider pairing with high-quality brake lines for optimal performance.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 081-0001
- UPC: 191361265075
- Finish: Chrome
- Rotor Size: 11.5 inch
- Axle Size: 3/4 inch
- Length: 6.57 in
- Width: 6.1 in
- Height: 4.9 in
- Weight: 4.4 lbs
- Country of Origin: China (Mainland)
Common questions
What kind of front end is this caliper designed for?
This caliper is specifically designed for V-twin motorcycles equipped with aftermarket springer front ends.
What size rotor and axle does this caliper require?
This 4-piston caliper is designed to work with 11.5-inch brake rotors and 3/4-inch axles. Please confirm your current setup before ordering.
Can this caliper be used on both the left and right sides of the bike?
Yes, the design of this caliper allows for versatile mounting on either the left or right side of your springer front end.
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 | 820-32030 |
| WEIGHT | 4.4 lb |