Harddrive 1-1/8" 133-Tooth Carbon Fiber Rear Belt - Harley Dyna
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 1-1/8" 133-tooth rear belt features carbon fiber reinforced tension members, engineered for high-strength V-twin drivetrains. Built in the USA, it uses synthetic rubber for superior durability across extreme temperatures.
Why riders pick this
- Carbon fiber reinforcement for superior strength
- Treated tooth-facing fabric resists punctures
- Synthetic rubber teeth for extreme temperature resistance
- Enhanced flexibility and width stability
- Made in the USA for V-twin drivetrains
For Dyna riders pushing their bikes hard, a reliable final drive belt is paramount. The Harddrive 1-1/8" 133-tooth rear belt is designed to meet those demands, incorporating carbon fiber reinforcement for a significant boost in strength and longevity over traditional aramid belts. This American-made belt ensures robust power transfer and consistent performance, ride after ride, in diverse conditions.
Uncompromising Strength and Durability
- Carbon fiber tension member provides increased strength over aramid alternatives
- Specially treated tooth-facing fabric resists punctures and debris
- Synthetic rubber teeth are rated for extreme temperatures, -30°C to +130°C
- Synthetic rubber backing offers improved flexibility and width stability
Designed for Harley-Davidson Dyna Models
This Harddrive rear belt is an excellent upgrade for Harley-Davidson Dyna models requiring a 1-1/8" wide, 133-tooth belt. Its robust construction ensures it can handle the torque and demands of a performance-oriented V-twin. Always confirm the tooth count and width against your bike's current belt to ensure a precise fit and optimal performance.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 21192453
- UPC: 191361537622
- Tooth Count: 133T
- Length: 14 in
- Width: 14 in
- Height: 2 in
- Weight: 3 lbs
Common questions
What is the primary advantage of carbon fiber in this belt?
The carbon fiber tension member provides significantly increased strength and durability compared to traditional aramid-reinforced belts, ensuring a longer service life and more reliable performance for your V-twin.
Will this belt fit my specific Harley Dyna model?
This belt is designed for Harley Dyna models requiring a 1-1/8" wide, 133-tooth rear belt. It's important to verify your bike's original equipment part number and specifications using our Shop by Bike tool before ordering.
Can this belt handle a wide range of operating temperatures?
Yes, the synthetic rubber teeth are rated for extreme temperatures, from -30°C to +130°C, ensuring consistent performance in various climates and 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 | 820-60010 |
| WEIGHT | 3.0 lb |