---
product_id: 693570622
title: "Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle"
brand: "hycline"
price: "R$32"
currency: BRL
in_stock: false
url: https://www.desertcart.com.br/products/693570622-hycline-bike-rear-derailleur-6-7-speed-direct-mount-hanger
store_origin: BR
region: Brazil
---

# Easy Installation 6/7 Speed Compatibility Lightweight Aluminum Alloy Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle

**Brand:** hycline
**Price:** R$32
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Shift Your Ride into High Gear!

## Quick Answers

- **What is this?** Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle by hycline
- **How much does it cost?** R$32 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/693570622-hycline-bike-rear-derailleur-6-7-speed-direct-mount-hanger)

## Best For

- hycline enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Support:** Dedicated customer service ready to assist with any inquiries.
- • **Lightweight Design:** Hollow weight-reduction design for enhanced agility on the trails.
- • **Precision Performance:** Experience seamless gear shifts with high-hardness aluminum alloy construction.
- • **Versatile Compatibility:** Perfect for mountain bikes, station wagons, and folding bikes.
- • **User-Friendly Installation:** Quick and hassle-free setup ensures you spend more time riding.

## Overview

The Hycline Bike Rear Derailleur RD-TY21B is engineered for 6/7 speed mountain bicycles, featuring a lightweight aluminum alloy design for optimal performance. Its precise adjustment capabilities ensure smooth gear transitions, while the easy installation process allows for quick upgrades. Ideal for various bike types, this derailleur combines durability with user-friendly features, making it a must-have for cycling enthusiasts.

## Description

Full description not available

## Features

- MODEL: RD-TY21B Black Rear Derailleur,Suitable for 6/7speed.
- PERFORMANCE:Forged with high hardness aluminum alloy.The hollow weight-reduction design is adopted,and the speed change is more stable.
- PRECISE ADJUSTMENT: High-hardness aluminum alloy body adjustment, adjustment is more precise. It can be adjusted slightly in multiple places to ensure accurate speed change performance.
- INSTALLATION:Fast and convenient installation and easy maintenance.(Note:The bike rear derailleur is direct mount,not hub bolt mount .Please check the mount type of the original part before ordering.)
- SCOPE OF APPLICATION:Suitable for mountain bikes, station wagons, folding bikes, etc.If you have any questions,please feel free to contact us.We will provide timely response and quality service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 5.31"L x 4.37"W x 2.6"H |
| Manufacturer | shimano |
| Item Package Dimensions L x W x H | 5.31 x 4.37 x 2.6 inches |
| Package Weight | 0.25 Kilograms |
| Item Dimensions  LxWxH | 5.31 x 4.37 x 2.6 inches |
| Brand Name | Hycline |
| Part Number | Rnry-RDTY21B |

## Product Details

- **Brand:** Hycline
- **Color:** RD-TY21B Direct Mount/Black
- **Item Weight:** 245 Grams
- **Case Material:** Aluminum
- **Mounting Type:** Clamp-On Mount

## Images

![Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle - Image 1](https://m.media-amazon.com/images/I/61BU+pZTgJL.jpg)
![Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle - Image 2](https://m.media-amazon.com/images/I/61ftZ++08mL.jpg)
![Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle - Image 3](https://m.media-amazon.com/images/I/91W+Dg5yj3L.jpg)
![Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle - Image 4](https://m.media-amazon.com/images/I/61V7YxGqeUL.jpg)
![Hycline Bike Rear Derailleur 6/7 Speed Direct Mount/Hanger Mount for Mountain Bicycle - Image 5](https://m.media-amazon.com/images/I/71RUZAalsJL.jpg)

---

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**Shop now:** [https://www.desertcart.com.br/products/693570622-hycline-bike-rear-derailleur-6-7-speed-direct-mount-hanger](https://www.desertcart.com.br/products/693570622-hycline-bike-rear-derailleur-6-7-speed-direct-mount-hanger)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-25*