---
product_id: 152941688
title: "GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x"
brand: "shimano"
price: "8429949₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/152941688-grx-rd-rx812-rear-derailleur-11-speed-long-cage-black
store_origin: VN
region: Vietnam
---

# Long cage design Lightweight at 12.8 oz 11-speed gearing GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x

**Brand:** shimano
**Price:** 8429949₫
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Shift into Adventure with SHIMANO!

## Quick Answers

- **What is this?** GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x by shimano
- **How much does it cost?** 8429949₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/152941688-grx-rd-rx812-rear-derailleur-11-speed-long-cage-black)

## Best For

- shimano enthusiasts

## Why This Product

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

## Key Features

- • **Unleash Your Ride:** Experience seamless shifting with the SHIMANO GRX RD-RX812.
- • **Versatile Capacity:** Handles a cassette range of 11-42t, ensuring you conquer every climb.
- • **Built for Adventure:** Designed for 1x11 setups, perfect for any terrain.
- • **Precision Engineering:** Clutch technology keeps your chain secure, reducing noise and enhancing control.
- • **Durability Meets Performance:** Crafted from high-quality Shimano alloy for long-lasting use.

## Overview

The SHIMANO GRX RD-RX812 Rear Derailleur is a high-performance 11-speed component designed for 1x setups. With a long cage and a capacity of 31t, it accommodates a wide cassette range of 11-42t, ensuring optimal gear selection for various terrains. Weighing just 12.8 ounces and made from durable Shimano alloy, this derailleur combines lightweight design with robust performance, making it an essential upgrade for any serious cyclist.

## Description

Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x

## Features

- Material: alloy
- Cage Length: long
- Capacity: 31t
- Cassette Range: [maximum] 11 - 42t, [minimum] 11 - 40t
- Gearing: 1x11

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Black |
| Item Weight | 12.8 ounces |
| Case Material Type | Shimano Alloy |
| Material Type | Metal |
| Number of Teeth | 34 |
| Mounting Type | Braze-On Mount |

## Images

![GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x - Image 1](https://m.media-amazon.com/images/I/616HveYMUTL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.vn/products/152941688-grx-rd-rx812-rear-derailleur-11-speed-long-cage-black](https://www.desertcart.vn/products/152941688-grx-rd-rx812-rear-derailleur-11-speed-long-cage-black)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-16*