---
product_id: 683253411
title: "Grx Rd-Rx825 12-Speed Di2 Rear Derailleur"
brand: "shimano"
price: "VT198666"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/683253411-grx-rd-rx825-12-speed-di2-rear-derailleur
store_origin: VU
region: Vanuatu
---

# Integrated wireless unit & charging port Precise 12-speed Di2 shifting Shadow RD+ clutch for silent rides Grx Rd-Rx825 12-Speed Di2 Rear Derailleur

**Brand:** shimano
**Price:** VT198666
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Shift into the future of gravel riding with silent precision!

## Quick Answers

- **What is this?** Grx Rd-Rx825 12-Speed Di2 Rear Derailleur by shimano
- **How much does it cost?** VT198666 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/683253411-grx-rd-rx825-12-speed-di2-rear-derailleur)

## 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

- • **Whisper-Quiet Drivetrain:** Shimano Shadow RD+ technology reduces noise and prevents chain drops for smooth rides.
- • **Adjustable Chain Stabilizer:** Toggle clutch tension ON/OFF to eliminate chain slap and adapt to any surface.
- • **Precision 12-Speed Shifting:** Experience lightning-fast, reliable gear changes tailored for rugged gravel terrain.
- • **Gravel-Optimized Performance:** Custom clutch tension switch ensures optimal control whether on rough trails or smooth roads.
- • **Seamless Wireless Integration:** Compact design with built-in wireless unit and charging port for effortless connectivity.

## Overview

The Shimano GRX RD-RX825 is a 12-speed Di2 rear derailleur designed for gravel enthusiasts seeking fast, reliable, and quiet shifting. Featuring an integrated wireless unit with charging port, adjustable chain stabilizer, and Shimano's Shadow RD+ clutch system, it delivers superior drivetrain stability and adaptability across diverse terrains.

## Description

Grx Rd-Rx825 12-Speed Di2 Rear Derailleur

## Features

- Integrated wireless unit, charging port, and switch allows a compact design
- Offers fast and reliable shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap
- Shimano Shadow RD+ offers a quiter drivetrain by utilizes a stablizer to reduce chain slap and provides a simple solution for chain drops
- Gravel-tuned clutch tension features a switch stabilizer ON/OFF to match terrain - ON for gravel, OFF for smooth roads

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Black |
| Size | Rear, 12-Speed |
| Brand | SHIMANO |
| Manufacturer | Shimano |
| Item model number | IRDRX825A |
| Product Dimensions | 16.13 x 15.52 x 9.73 cm; 498.95 g |
| ASIN | B0D51KRY87 |

## Images

![Grx Rd-Rx825 12-Speed Di2 Rear Derailleur - Image 1](https://m.media-amazon.com/images/I/61sd1bMq34L.jpg)

## Frequently Bought Together

- SHIMANO Grx Rd-Rx825 12-Speed Di2 Rear Derailleur Black, Rear, 12-Speed
- SHIMANO BRBX Pads + spg Alloy Back Resin L05A w/Fin Black one Size

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**Shop now:** [https://www.desertcart.vu/products/683253411-grx-rd-rx825-12-speed-di2-rear-derailleur](https://www.desertcart.vu/products/683253411-grx-rd-rx825-12-speed-di2-rear-derailleur)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-27*