Harddrive Drilled Vented Steel 11.5" Rear Brake Rotor - Harley 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.
This Harddrive 11.5-inch drilled and vented steel rear brake rotor is designed to provide reliable stopping power for your V-twin. Heat-treated for enhanced durability, it's engineered to shed water and dissipate heat more effectively than standard solid rotors. This results in more consistent brake performance, especially under demanding conditions.
Why riders pick this
- Heat-treated steel for durability
- Drilled design improves wet-weather braking
- Vented cooling channels for better heat transfer
- Compatible with all brake pad types
- Countersunk mount holes for clean installation
When you're pushing your V-twin, consistent braking at both ends is crucial. This Harddrive rear rotor helps maintain optimal brake temperatures through its drilled and vented design, which is key to preventing fade and ensuring a firm pedal feel. The heat-treated steel construction is built to withstand the rigors of the road, offering a long-lasting upgrade to your bike's stopping system.
Enhanced Rear Braking Performance
- Heat-treated steel construction for increased hardness and stress relief
- Drilled design improves wet-weather braking and reduces unsprung weight
- Vented cooling channels enhance heat transfer and prevent fade
- Compatible with all brake pad types, including sintered
- Countersunk mount holes for a clean, flush installation
Reliable Upgrade for Your V-Twin
Whether you're replacing a worn-out stock rotor or looking for a performance boost, this Harddrive rear brake rotor delivers. It's a solid choice for riders who demand more from their braking system, offering improved feel and durability. Always verify your current rotor's diameter and center bore ID against the product specifications to ensure a precise fit for your specific Harley-Davidson model year.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 144071
- UPC: 191361073649
- Type: Rear Rotor
- Diameter: 11.5 inches
- Center Bore ID: 1.99 inches
- Weight: 2.25 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this rotor fit my Harley Touring rear brake?
This 11.5-inch rotor with a 1.99-inch center bore is designed for many Harley V-twin models from 1984–1999. It's crucial to check your current rotor's diameter and center bore ID to confirm compatibility with your specific model year before ordering.
Do I need to change my brake pads when installing this rotor?
While not strictly required, it's generally recommended to install new brake pads when replacing rotors to ensure optimal bedding-in and performance. This Harddrive rotor is compatible with all brake pad types, including sintered.
Is this rotor heavy?
The drilled design helps reduce unsprung weight compared to a solid rotor, contributing to better handling and braking performance. It's a balanced design focused on durability and heat management.
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 | 820-51838 |
| WEIGHT | 2.25 lb |
