Harddrive 25-Tooth Compensator Sprocket - Harley Big Twin & Twin Cam 1985-2011
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 compensator sprocket, featuring 25 teeth, is a direct OEM replacement for the stock sprocket in the primary drive compensator assembly of Harley Big Twin and Twin Cam engines from 1985 to 2011. It's designed to ensure proper gear ratio and efficient torque delivery through the primary chain.
Why riders pick this
- Direct OEM replacement for 1985-2011 models
- 25-tooth count for precise power delivery
- Maintains proper primary chain gear ratio
- Supports efficient torque transfer
Maintaining the integrity of your primary drive is essential for the overall performance and longevity of your Harley. This Harddrive 25-tooth compensator sprocket plays a crucial role in managing the power transfer from your engine to the transmission, ensuring a smooth and responsive ride. It's built to meet factory specifications, making it a reliable choice for restoring or upgrading your V-twin's primary system.
Optimized Torque Delivery and Drivetrain Protection
- Direct OEM replacement for seamless integration
- 25-tooth design for precise gear ratio and power transfer
- Supports proper primary chain tension and compensator function
- Engineered for Big Twin and Twin Cam primary assemblies 1985-2011
A Crucial Component for Your Harley's Drivetrain
Whether you're replacing a worn-out part or performing routine maintenance, this Harddrive compensator sprocket provides a solid foundation for your primary drive. Its direct bolt-in design simplifies installation, allowing you to get back on the road with confidence. This sprocket is a key element in ensuring your Harley's engine and transmission work in harmony, delivering power smoothly and efficiently.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 15-037
- UPC: 191361167737
- Weight: 1.94 lbs
- Dimensions: 5.51 in L × 1.77 in W × 5.51 in H
- Country of Origin: China (Taiwan)
Common questions
Will this fit my 2012 or newer Touring model with a Milwaukee-Eight engine?
No, this Harddrive compensator sprocket is specifically for Big Twin and Twin Cam engines from 1985-2011. Milwaukee-Eight (M8) engines use a different primary assembly and compensator sprocket.
Is this a direct bolt-in replacement for the stock compensator sprocket?
Yes, this 25-tooth sprocket is designed to replace the OEM stock compensator sprocket without requiring modifications to the primary assembly.
How do I know if this 25-tooth count is correct for my bike?
This is a 25-tooth sprocket. It's always best to verify your engine's stock tooth count or desired ratio before ordering to ensure compatibility with your specific setup.
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 | Engine |
| SKU | 820-52630 |
| WEIGHT | 1.94 lb |
