---
product_id: 693569811
title: "MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike"
brand: "meghna"
price: "฿880"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/693569811-meghna-rear-derailleur-rd-tz31-a-rd-ty21b-6-7
store_origin: TH
region: Thailand
---

# 6/7 Speed Compatibility Durable Aluminum Alloy Versatile Application MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike

**Brand:** meghna
**Price:** ฿880
**Availability:** ❌ Out of Stock

## Summary

> 🚲 Shift Your Ride into High Gear!

## Quick Answers

- **What is this?** MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike by meghna
- **How much does it cost?** ฿880 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/693569811-meghna-rear-derailleur-rd-tz31-a-rd-ty21b-6-7)

## Best For

- meghna enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from high-quality aluminum alloy for unmatched durability on any terrain.
- • **Universal Fit:** Compatible with a wide range of bikes, from mountain to commuter, making it the perfect upgrade.
- • **Lightweight Design:** Weighing only 0.29 kg, it enhances performance without adding bulk.
- • **Customer-Centric Support:** Our team is ready to assist you with any inquiries, ensuring a hassle-free experience.
- • **Smooth Shifting Experience:** Engineered for seamless gear transitions, ensuring you ride with confidence.

## Overview

The MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B is a versatile and durable component designed for 6/7 speed bikes. Made from high-quality aluminum alloy, it ensures stable and reliable performance across various bike types, including mountain, commuter, and cruiser bikes. With a lightweight design and universal compatibility, this derailleur is the perfect choice for any cycling enthusiast.

## Description

Full description not available

## Features

- Model: RD-TY21B; Bike rear derailleur is compatible with 6/7 speed most kinds of bikes.
- Note: The bike rear derailleur is hanger mount, not direct mount. Please check the mount way before you purchase.
- Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
- Application: Suitable for MTB, mountain bikes, commuter bike, cruiser bike, folding bike etc.
- Important: Please feel free to contact if you have any questions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 6.18"L x 5.16"W x 3.39"H |
| Manufacturer | MEGHNA |
| Item Package Dimensions L x W x H | 6.18 x 5.16 x 3.39 inches |
| Package Weight | 0.29 Kilograms |
| Item Dimensions  LxWxH | 6.18 x 5.16 x 3.39 inches |
| Brand Name | MEGHNA |
| Suggested Users | unisex |
| Part Number | RD-TY21B |

## Product Details

- **Brand:** MEGHNA
- **Color:** Silver-RD-TY21B
- **Material:** Aluminum
- **Case Material:** Aluminum
- **Mounting Type:** Hanger Mount

## Images

![MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike - Image 1](https://m.media-amazon.com/images/I/71xRlpzugBL.jpg)
![MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike - Image 2](https://m.media-amazon.com/images/I/71vVaJ6BYZL.jpg)
![MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike - Image 3](https://m.media-amazon.com/images/I/71VLQ4vIgtL.jpg)
![MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike - Image 4](https://m.media-amazon.com/images/I/61fVQs-+yDL.jpg)
![MEGHNA Rear Derailleur RD-TZ31-A/RD-TY21B 6/7 Speed Direct/Hanger Mount Derailleur for Mountain Kids Commuter Cruiser Tricycle Bike - Image 5](https://m.media-amazon.com/images/I/61iVYF2cYSL.jpg)

---

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**Shop now:** [https://www.desertcart.co.th/products/693569811-meghna-rear-derailleur-rd-tz31-a-rd-ty21b-6-7](https://www.desertcart.co.th/products/693569811-meghna-rear-derailleur-rd-tz31-a-rd-ty21b-6-7)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-05*