Hayden Primary Chain Tensioner - Big Twins Harley & Indian V-Twin
About Hayden
Hayden parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Hayden item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
The Hayden Primary Chain Tensioner for Big Twin V-twin motorcycles automatically adjusts chain tension during acceleration and deceleration. This innovative design effectively eliminates primary chain slack, significantly reducing drivetrain noise and improving shifting precision. Experience a noticeably smoother and quieter ride with this essential upgrade.
Why riders pick this
- Automatic tension adjustment for primary chain
- Reduces primary chain slack and drivetrain noise
- Smoother shifting without transmission clunk
- Noticeably smoother ride quality
- Designed for Big Twin V-twin motorcycles
Riders often complain about the clunking and harshness associated with their V-twin's primary drive. The Hayden Primary Chain Tensioner is engineered to resolve these common issues by maintaining consistent chain tension. Unlike less sophisticated designs, this automatic tensioner reacts to changes in engine load, keeping the primary chain optimally taut. The result is a more refined power transfer and a significant reduction in irritating drivetrain noise.
Experience a Quieter, Smoother Ride
- Automatically adjusts primary chain tension during operation
- Effectively reduces primary chain slack and associated noise
- Promotes smoother and more precise gear changes
- Contributes to a noticeably smoother overall ride quality
- Minimizes stress on primary drive components for extended life
Unlock Your V-Twin's Potential
Installing a Hayden Primary Chain Tensioner is a direct path to uncorking a more enjoyable riding experience from your Big Twin. By eliminating the erratic behavior of a loose primary chain, you'll feel a more direct connection to the road and enjoy a quieter ride. This is an ideal upgrade for Harley-Davidson and Indian Motorcycle owners who prioritize smooth operation and enhanced drivetrain longevity.
Specifications
- Brand: Hayden
- Manufacturer Part #: M6-BT01
- Length: 4.45 in
- Width: 7 in
- Height: 2.25 in
- Weight: 1.69 lbs
Common questions
What is the main function of a primary chain tensioner?
A primary chain tensioner automatically adjusts the tension on the primary chain during acceleration and deceleration. This keeps the chain tight, eliminating slack that causes clunking, rattling, and harsh shifts.
Will this tensioner make my transmission quieter?
Yes. By maintaining proper tension, the primary chain won't slap or rattle against the primary case, leading to a noticeably quieter transmission and smoother shifting with less clunk.
Is this a direct fit for my Big Twin V-twin?
This Hayden Primary Chain Tensioner is designed for a broad range of Big Twin Harley-Davidson and Indian Motorcycle models. We recommend using our Shop by Bike tool to confirm exact fitment for your specific year and model before purchase.
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 | Hayden |
| TYPE | Drive |
| SKU | 39-1201 |
| WEIGHT | 1.69 lb |
