Harddrive 25-Tooth 0.500 Offset Transmission Sprocket - Harley & Indian 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 transmission sprocket is specifically designed for V-twin motorcycles undergoing a belt-to-chain conversion, particularly those requiring precise offset. With 25 teeth and a 0.500 offset, it ensures optimal chain alignment and gearing. CNC machined from robust carburized steel, it provides the strength and longevity necessary for high-performance builds.
Why riders pick this
- CNC machined carburized steel for high strength
- Hardened for maximum impact and wear resistance
- 0.500 offset for optimal chain alignment
- Black oxide finish for corrosion resistance
- 25-tooth count for precise gear ratio tuning
- Designed for 530 chain conversion systems
When converting your Harley-Davidson or Indian Motorcycle to a 530 chain drive, maintaining proper chain alignment is paramount. This Harddrive 25-tooth transmission sprocket with a 0.500 offset is engineered to achieve that precision. The black oxide finish not only provides a stealthy, custom look but also adds a crucial layer of protection against corrosion, ensuring your drivetrain stands up to the demands of the road.
Engineered for Optimal Chain Alignment
- CNC machined from carburized steel for superior strength
- Hardened for exceptional impact and wear resistance
- 0.500 offset ensures proper alignment with the rear sprocket
- Black oxide finish provides enhanced durability and corrosion resistance
- 25-tooth count for specific gearing requirements in 530 conversions
Fine-Tuning Your Drivetrain for Performance
The 0.500 offset on this Harddrive transmission sprocket is a critical feature for riders performing belt-to-chain conversions on their V-twin. This offset helps to correctly position the sprocket on the transmission shaft, ensuring perfect alignment with your 530 chain and rear sprocket without requiring frame modifications. Combined with the 25-tooth count, it allows for precise tuning of your bike's final drive ratio, providing a customized riding experience whether you're chasing torque or top-end speed.
Specifications
- Brand: Harddrive
- Manufacturer Part #: CST-2064_WPS:25.2
- UPC: 191361511110
- Tooth Count: 25
- Offset: 0.500 in
- Length: 6 in
- Width: 6 in
- Height: 4 in
- Weight: 1.5 lbs
- Finish: Black oxide
- Country of Origin: Poland
Common questions
What is the purpose of the 0.500 offset?
The 0.500 offset on this transmission sprocket is essential for proper chain alignment when converting from a belt drive to a 530 chain drive. It ensures the chain runs straight between the transmission and rear sprocket, preventing wear and binding.
Is this sprocket compatible with a stock belt drive system?
No, this Harddrive sprocket is specifically designed for belt-to-chain conversion builds using a 530 chain. It is not intended for use with a stock belt drive system.
How does the 25-tooth count affect my bike's gearing?
The 25-tooth count, as part of your chain conversion, will alter your final drive gearing. This affects your bike's acceleration characteristics and cruising RPM, allowing you to fine-tune performance to your riding style.
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 | Sprockets |
| SKU | 820-51624 |
| WEIGHT | 1.5 lb |
