---
product_id: 516733942
title: "THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount"
brand: "thalous"
price: "$46.61"
currency: USD
in_stock: false
reviews_count: 8
url: https://www.desertcart.us/products/516733942-thalous-bicycle-rear-derailleur-rd-tz31-a-tourney-6-7
store_origin: US
region: United States of America
---

# Direct braze-on mount 6/7 speed precision Durable aluminum build THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount

**Brand:** thalous
**Price:** $46.61
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Shift Smooth, Ride Proud – Upgrade Your Gear Game!

## Quick Answers

- **What is this?** THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount by thalous
- **How much does it cost?** $46.61 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/516733942-thalous-bicycle-rear-derailleur-rd-tz31-a-tourney-6-7)

## Best For

- thalous enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Perfect fit for mountain, road, city, folding, and racing bikes—join the elite riders.
- • **Direct Braze-On Mounting:** Forget hangers—install with confidence and stability every time.
- • **Whisper-Quiet Performance:** Smooth guide wheel ensures silent rides without chain wear.
- • **Seamless 6/7 Speed Shifting:** Experience flawless gear transitions tailored for MTB and road rides.
- • **Robust Aluminum Construction:** Engineered for longevity and resistance against deformation and damage.

## Overview

The THALOUS RD-TZ31-A Rear Derailleur is a high-quality aluminum 6/7 speed component designed for direct braze-on mounting. It delivers smooth, silent shifting with durable construction, compatible across multiple bike types including MTB, road, and city bikes, ensuring reliable performance for serious cyclists.

## Description

desertcart.com : THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount : Sports & Outdoors

Review: OEM quality - This was an exact manufacturer and model replacement of the derailleur that was originally installed on my mountain bike so the quality and performance is exactly the way it was originally. I was able to make the minor adjustments to match my gear shift ratios without any issues.
Review: item as discribed - easy to use perfect fit

## Features

- Model: Bicycle rear derailleur RD-TZ31-A,suitable for 6 speed and 7 speed SIS index variable speed drives.
- Direct mount: The installation method is Direct mount, NOT hanger mount(hook holder)
- High-quality material: Made of high-quality steel, sturdy and durable, not easily deformed and not easily damaged.
- Wonderful performance: The guide wheel of the rear derailleur is smooth and silent, the shifting is smooth, and the chain will not be damaged, making the riding easy and comfortable.
- Wide application: This bicycle transmission is suitable for variable speed bikes, mountain bikes, road bikes, bicycle racing, city bikes, folding bikes, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BQDS6ZRF |
| Best Sellers Rank | #362,841 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #332 in Rear Bike Derailleurs |
| Brand | THALOUS |
| Brand Name | THALOUS |
| Case Material Type | Aluminum |
| Color | Direct mount |
| Customer Reviews | 4.4 out of 5 stars 161 Reviews |
| Included Components | 1*rear derailleur |
| Item Type Name | bicycle rear derailleur |
| Manufacturer | THALOUS |
| Material | Aluminum |
| Material Type | Aluminum |
| Mount Type | Braze-On Mount |
| Mounting Type | Braze-On Mount |
| Unit Count | 1.0 Count |
| Warranty Description | False |

## Images

![THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount - Image 1](https://m.media-amazon.com/images/I/71ac3Iv0ZTL.jpg)
![THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount - Image 2](https://m.media-amazon.com/images/I/71ZkuxqaTdL.jpg)
![THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount - Image 3](https://m.media-amazon.com/images/I/71OFvxzl4oL.jpg)
![THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount - Image 4](https://m.media-amazon.com/images/I/61NmCK+zz5L.jpg)
![THALOUS Bicycle Rear Derailleur RD-TZ31-A Tourney 6/7 Speed for MTB Bike Direct Mount/Hanger Mount - Image 5](https://m.media-amazon.com/images/I/61UrYsR0JZL.jpg)

## Questions & Answers

**Q: Does it have a clutch?**
A: I'm sorry, it doesn't have a clutch.

**Q: Do you have to remove chain to install?**
A: Dear custumer, you don't need to remove it, but you should adjust the chain to install.

**Q: Does it have a b screw?**
A: Yes it does

**Q: Are jockey wheels metal?**
A: Yes, the  jockey wheels are completely made of metal.

## Customer Reviews

### ⭐⭐⭐⭐⭐ OEM quality
*by D***L on January 19, 2025*

This was an exact manufacturer and model replacement of the derailleur that was originally installed on my mountain bike so the quality and performance is exactly the way it was originally. I was able to make the minor adjustments to match my gear shift ratios without any issues.

### ⭐⭐⭐⭐⭐ item as discribed
*by B***B on February 27, 2025*

easy to use perfect fit

### ⭐⭐⭐⭐ Just what I needed
*by A***R on October 10, 2024*

Found a new bike but it is a girls but that ok I’m 68 and I don’t have to throw my leg over the back and I look good riding it LoL

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**Shop now:** [https://www.desertcart.us/products/516733942-thalous-bicycle-rear-derailleur-rd-tz31-a-tourney-6-7](https://www.desertcart.us/products/516733942-thalous-bicycle-rear-derailleur-rd-tz31-a-tourney-6-7)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-19*