Harddrive SS 25T 0.500 Offset Transmission Sprocket - Harley-Davidson 1994-2006
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 SS transmission sprocket is engineered to deliver reliable performance for Harley-Davidson belt-to-chain conversions. With 25 teeth and a 0.500-inch offset, it ensures accurate chain alignment and efficient power transfer. CNC machined from carburized steel, this sprocket offers the strength and durability required for demanding V-twin applications.
Why riders pick this
- 25-tooth count for specific gearing ratios
- 0.500-inch offset for critical chain alignment
- Carburized steel for superior strength and wear resistance
- Black Oxide finish offers enhanced durability
- Ensures optimal spline-to-shaft engagement
- Purpose-built for V-twin belt-to-chain conversions
For Harley-Davidson riders converting their V-twin to a chain drive, the Harddrive SS 25-tooth transmission sprocket offers the precision and strength needed for a successful upgrade. Its crucial 0.500-inch offset is engineered to align perfectly with your rear sprocket, minimizing chain wear and maximizing drivetrain efficiency on 1994-2006 Harley models. This sprocket is built to handle the torque and horsepower of a performance V-twin.
Uncompromising Drivetrain Durability
- CNC machined from carburized steel for exceptional toughness
- Hardened surface resists impact and extends lifespan
- Black Oxide finish provides excellent corrosion protection
- Ensures optimum spline-to-shaft contact for secure fitment
- Precisely engineered 0.500-inch offset for chain alignment
Optimized Gearing for Your V-Twin
The Harddrive SS transmission sprocket is a vital component for any serious chain conversion on your Harley-Davidson Touring, Softail, or Dyna. The 25-tooth count, combined with the precise offset, allows for specific gearing adjustments while maintaining proper chain geometry. This upgrade provides a solid foundation for riders looking to fine-tune their bike's performance and ensure maximum reliability from their chain-drive system.
Specifications
- Brand: Harddrive
- Manufacturer Part #: CST-2062_WPS:25.2
- UPC: 191361511219
- Tooth Count: 25
- Offset: 0.500 in
- Weight: 1.5 lbs
- Country of Origin: Poland
Common questions
What is transmission sprocket offset, and why does it matter?
Offset positions the transmission sprocket to align properly with the rear sprocket in a chain drive system. A 0.500-inch offset corrects misalignment common in belt-to-chain conversions, preventing chain rub and extending the life of your drivetrain.
Will this sprocket work with my belt-to-chain conversion kit?
This Harddrive SS sprocket is designed for V-twin belt-to-chain conversions. It is crucial to verify that the 0.500-inch offset is compatible with your specific rear sprocket and frame geometry to ensure proper chain alignment.
Does a 25-tooth sprocket affect performance?
Yes, opting for a 25-tooth transmission sprocket will change your final drive ratio compared to other tooth counts. This can influence your bike's acceleration, top speed, and cruising RPMs, allowing you to tailor 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 | 820-51634 |
| WEIGHT | 1.5 lb |
