---
product_id: 625058465
title: "RD-TY21B 6/7 Speed Derailleur Bike Rear Derailleur Direct/Hanger"
brand: "relwears"
price: "25422CFA"
currency: XOF
in_stock: true
category: "Relwears"
url: https://www.desertcart.sn/products/625058465-rd-ty21b-6-7-speed-derailleur-bike-rear-derailleur-direct
store_origin: SN
region: Senegal
---

# Direct mount design 6/7 speed compatibility Durable aluminum alloy RD-TY21B 6/7 Speed Derailleur Bike Rear Derailleur Direct/Hanger

**Brand:** relwears
**Price:** 25422CFA
**Availability:** ✅ In Stock

## Summary

> ⚡ Shift into the fast lane with precision and style!

## Quick Answers

- **What is this?** RD-TY21B 6/7 Speed Derailleur Bike Rear Derailleur Direct/Hanger by relwears
- **How much does it cost?** 25422CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/625058465-rd-ty21b-6-7-speed-derailleur-bike-rear-derailleur-direct)

## Best For

- relwears enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Perfectly pairs with mountain, commuter, cruiser, and folding bikes.
- • **Quick & Simple Installation:** Get back on the road fast with easy setup and maintenance.
- • **Seamless 6/7 Speed Shifting:** Effortlessly glide through gears with precision and speed.
- • **Lightweight Aluminum Alloy Build:** Durability meets performance without the bulk.
- • **Robust Direct Mount Construction:** Engineered for a secure fit and enhanced drivetrain stability.

## Overview

The RD-TY21B Rear Derailleur offers smooth, reliable shifting for 6 and 7-speed bikes, crafted from durable aluminum alloy with a direct mount design. Compatible with a wide range of bike types, it ensures stable performance and easy installation, making it the go-to upgrade for riders seeking dependable drivetrain efficiency.

## Description

desertcart.com : Relwears RD-TY21B 6/7 Speed Derailleur Bike Rear Derailleur Direct Mount | 6/7 Speed Derailleur for Mountain Bike Tricycle Commuter Bike Cruiser Bike,Smooth Shifting,Durable,High Compatibility : Sports & Outdoors

## Features

- MODEL: RD-TY21B Direct Mount derailleur; Guide wheel teeth: 11T; Tooth capacity: 34T, Bike rear derailleur is compatible with 6/7 speed most kinds of bikes.
- PERFORMANCE: The TY21B 7 speed derailleur is constructed from durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
- SIMPLE TO INSTALL AND MAINTAIN:The process consists of four main steps: installation, adjusting the limit stops, tightening the cable and adjusting the tension
- WIDE APPLICATION: This bicycle derailleur is suitable for MTB, mountain bikes, commuter bike, cruiser bike, folding bike etc.
- NOTE: The bike rear derailleur is direct mount, not hanger mount .Please check the mount type of the original part before purchasing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CWNNL8WH |
| Best Sellers Rank | #37,777 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #6 in Rear Bike Derailleurs |
| Brand | Relwears |
| Brand Name | Relwears |
| Case Material Type | Aluminum |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 92 Reviews |
| Included Components | NO |
| Item Highlight | 6/7 Speed Derailleur for Mountain Bike Tricycle Commuter Bike Cruiser Bike,Smooth Shifting,Durable,High Compatibility |
| Item Weight | 0.33 kg |
| Manufacturer | Relwears |
| Manufacturer Part Number | RD-TY21B 6/7 Speed |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | RD-TY21B 6/7 Speed |
| Mount Type | Direct Mount |
| Mounting Type | Direct Mount |
| Number of Items | 1 |
| Warranty Description | 1 |

## Product Details

- **Brand:** Relwears
- **Color:** Black
- **Item Weight:** 0.33 kg
- **Material:** Aluminum
- **Mounting Type:** Direct Mount

## Images

![RD-TY21B 6/7 Speed Derailleur Bike Rear Derailleur Direct/Hanger - Image 1](https://m.media-amazon.com/images/I/71DG7SKHTeL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- RD-TY21B 6/7 Speed Derailleur - Direct/Hanger Mount for Mountain, Tricycle, Commuter, Cruiser Bikes
- Bike Chain Kit, Single/6/7/8/9/10/11/12 Speed Multi-Function Bike Mechanic Repair Kit, Chain Breaker and Bike Link Plier with Hook and 6 Pairs Bicycle Buckle, Reusable (6/7/8 Speed Bike Chain Kit)
- FGBNM Single/6/7/8/9/10/11/12 Speed Bike Chain, Bike Chain for Road Mountain Racing Cycling

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**Shop now:** [https://www.desertcart.sn/products/625058465-rd-ty21b-6-7-speed-derailleur-bike-rear-derailleur-direct](https://www.desertcart.sn/products/625058465-rd-ty21b-6-7-speed-derailleur-bike-rear-derailleur-direct)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-10-31*