Harddrive 24MM 134-Tooth Carbon Fiber Rear Drive Belt - Harley Milwaukee-Eight
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.
Unleash the full potential of your Milwaukee-Eight with this Harddrive 24MM rear drive belt, featuring a 134-tooth profile. Engineered with carbon fiber reinforcement, it delivers exceptional strength and durability. This belt is built to handle the torque of modern V-twin engines.
Why riders pick this
- Carbon fiber tension member for superior strength
- Puncture-resistant tooth-facing fabric
- Synthetic rubber teeth for low noise and temperature stability
- Flexible synthetic rubber backing for width stability
- Engineered for Milwaukee-Eight V-Twins
For riders pushing the limits of their Milwaukee-Eight powered Harley-Davidson, a reliable and strong drive belt is crucial. This Harddrive 24MM rear belt is designed to meet those demands, utilizing carbon fiber for increased structural integrity over standard aramid-reinforced belts. It ensures efficient power transfer while resisting the elements.
Advanced Design for Modern V-Twins
- Carbon fiber tension member provides significantly increased strength over aramid
- Specially treated tooth-facing fabric resists punctures and road debris
- Synthetic rubber teeth offer low noise operation and excellent temperature stability
- Synthetic rubber backing enhances flexibility and maintains consistent width
Built for Performance and Longevity
Whether you're hitting the open road or navigating city streets, this Harddrive drive belt provides the peace of mind that comes with a robust and reliable component. Its construction is optimized for the power output of Milwaukee-Eight engines, ensuring a smooth and consistent ride. Always confirm the OE number and tooth count to guarantee proper fitment for your specific model.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 21192461
- OE Number: 40000018
- Teeth: 134
- Width: 24MM
- UPC: 191361537554
- Length: 14 in
- Width: 14 in
- Height: 2 in
- Weight: 3 lbs
Common questions
How does this belt improve performance over stock?
The carbon fiber tension member provides higher structural strength and durability, allowing this belt to better withstand the demands of high-performance V-twin engines compared to standard aramid belts.
Will this belt fit my Milwaukee-Eight Softail?
This belt is specifically designed for Harley-Davidson Milwaukee-Eight Softail models that require a 24MM, 134-tooth rear belt with OE# 40000018. We recommend verifying your bike's exact OEM belt specifications using our Shop by Bike tool.
Is this belt resistant to cold weather?
Yes, the synthetic rubber compound used in this belt is rated to perform reliably in temperatures ranging from -30°C to +130°C, ensuring consistent performance even in cold riding conditions.
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 | Belts |
| SKU | 820-60001 |
| WEIGHT | 3.0 lb |
