Harddrive 51-Tooth Chrome Dished Sprocket - Harley Big Twin 2000-2013
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 51-tooth chrome dished sprocket is engineered for 2000-2013 Harley-Davidson Big Twin models, offering a compelling upgrade for your drivetrain. It's a direct replacement for belt-drive-to-chain-drive conversion projects or as an OEM sprocket swap, featuring a distinctive dished design and brilliant chrome finish.
Why riders pick this
- 51-tooth count for quicker acceleration
- Chrome dished design for unique custom builds
- OEM replacement for 2000-2013 Harley Big Twin
- Perfect for belt-to-chain drive conversions
When you're building a custom Harley or seeking more aggressive gearing, selecting the right sprocket is paramount. This Harddrive 51-tooth chrome dished sprocket is designed to meet the demands of 2000-2013 Big Twin riders. Whether you're converting from a belt to a chain drive or replacing an existing sprocket, its robust construction and eye-catching finish make it a top-tier choice for performance and style. The dished design offers a unique aesthetic that complements many custom builds.
Aggressive Gearing with Custom Style
- 51-tooth count for enhanced acceleration and torque
- Striking chrome dished finish for a unique look
- OEM replacement specification ensures proper fitment
- Ideal for belt-to-chain drive conversion builds
- Fits Harley-Davidson Big Twin models from 2000-2013
Built for Serious V-Twin Performance
A 51-tooth rear sprocket provides a noticeable increase in acceleration, making it a popular choice for performance-oriented riders. When installing this Harddrive sprocket, ensure that it is properly aligned with your front sprocket and that your chain is the correct length and tensioned appropriately. This will maximize the lifespan of your drivetrain components and maintain optimal performance on the street or strip.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 201659
- UPC: 191361073519
- Tooth Count: 51
- Finish: Chrome dished
- Length: 10.7 in
- Width: 10.7 in
- Height: 0.8 in
- Weight: 4.685 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this fit my 2014 or newer Big Twin?
No, this Harddrive sprocket is specifically for 2000-2013 Big Twin models. Newer model years, including those with Milwaukee-Eight engines, require different sprocket specifications.
Is this for belt drive or chain drive?
This is a rear wheel sprocket designed for chain drive systems. It is primarily used in belt-to-chain conversion setups and as an OEM replacement for existing chain drive applications.
What tooth count do I need?
This is a 51-tooth sprocket. Your ideal tooth count depends on your desired gear ratio and riding style. We recommend verifying your original pulley or conversion kit specifications to ensure compatibility and achieve your preferred performance characteristics.
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 | 820-51183 |
| WEIGHT | 4.68 lb |