---
product_id: 6206336
title: "Hayden 39-1200 Primary Chain Tensioner Big Twins"
brand: "hayden automotive"
price: "30.83 DT"
currency: TND
in_stock: false
reviews_count: 8
url: https://www.desertcart.tn/products/6206336-hayden-39-1200-primary-chain-tensioner-big-twins
store_origin: TN
region: Tunisia
---

# M6 bolt compatibility Enhanced performance Precision engineering Hayden 39-1200 Primary Chain Tensioner Big Twins

**Brand:** hayden automotive
**Price:** 30.83 DT
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Elevate Your Ride with Precision Performance!

## Quick Answers

- **What is this?** Hayden 39-1200 Primary Chain Tensioner Big Twins by hayden automotive
- **How much does it cost?** 30.83 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/6206336-hayden-39-1200-primary-chain-tensioner-big-twins)

## Best For

- hayden automotive enthusiasts

## Why This Product

- Trusted hayden automotive brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Installation:** Seamlessly fits into your Big Twin setup.
- • **Precision Tensioning:** Ensures optimal chain performance every time.
- • **Ride with Confidence:** Say goodbye to chain slippage and hello to smooth rides.
- • **Unmatched Durability:** Built to withstand the toughest rides.
- • **Engineered for Big Twins:** Tailored specifically for your motorcycle's needs.

## Overview

The Hayden 39-1200 Primary Chain Tensioner is a high-quality M6 tensioner designed specifically for Big Twin motorcycles, ensuring optimal chain performance and durability for a smoother, more reliable ride.

## Description

Hayden Part #M6-BT65Primary Chain Tensioner Big TwinsAutomatically adjust primary chain tensionAssures proper chain tension during acceleration and decelerationSmoother shifting, transmission will "click" instead of "clunk"Provides a noticeably smoother ridePackage Quantity = 1

Review: Nice product - Installed the Hayden M-6 BT-07 chain tensioner on my 07 FLHR and love it. Now going to update the manual tensioner on my 1995 FLHTP. A well designed and thought-out product!
Review: don't bother. - Only 3 stars cause the clunk hasn't gone away. I will say it is better and I didn't expect it to go away completely but I'm not satisfied with the results. The price is ok but after I night a 30 dollar gasket to install this thing it doesn't feel like a cheap mod anymore. I was really hoping for better results. If it was as good as advertised I was gonna get one for my other bike. I will not be anymore

## Features

- New

## Images

![Hayden 39-1200 Primary Chain Tensioner Big Twins - Image 1](https://m.media-amazon.com/images/I/61v7kMIZ3xL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice product
*by M***K on February 6, 2014*

Installed the Hayden M-6 BT-07 chain tensioner on my 07 FLHR and love it. Now going to update the manual tensioner on my 1995 FLHTP. A well designed and thought-out product!

### ⭐⭐ don't bother.
*by B***. on June 21, 2015*

Only 3 stars cause the clunk hasn't gone away. I will say it is better and I didn't expect it to go away completely but I'm not satisfied with the results. The price is ok but after I night a 30 dollar gasket to install this thing it doesn't feel like a cheap mod anymore. I was really hoping for better results. If it was as good as advertised I was gonna get one for my other bike. I will not be anymore

### ⭐⭐⭐⭐ But I like how tight the bike feels when jockying the throttle ...
*by C***Y on February 14, 2016*

Didn't notice much shifting difference in my '99 FXDWG 88, and neutral still a challenge to find. Using 20W-50 in the primary. But I like how tight the bike feels when jockying the throttle in traffic and such. The loose feeling of the primary slacking up is gone. This was the second bike I installed a Hayden in. The first was a grand success as of this writing, so I gave it 5 stars.

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**Shop now:** [https://www.desertcart.tn/products/6206336-hayden-39-1200-primary-chain-tensioner-big-twins](https://www.desertcart.tn/products/6206336-hayden-39-1200-primary-chain-tensioner-big-twins)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-04*