---
product_id: 377490518
title: "CampagnoloRear Mech - Chorus 12x Rear Derailleur"
brand: "campagnolo"
price: "$503.03"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/377490518-campagnolorear-mech-chorus-12x-rear-derailleur
store_origin: EC
region: Ecuador
---

# 12 Teeth Braze-On Mount Ultra-Shift System CampagnoloRear Mech - Chorus 12x Rear Derailleur

**Brand:** campagnolo
**Price:** $503.03
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Shift into the Future of Cycling!

## Quick Answers

- **What is this?** CampagnoloRear Mech - Chorus 12x Rear Derailleur by campagnolo
- **How much does it cost?** $503.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/377490518-campagnolorear-mech-chorus-12x-rear-derailleur)

## Best For

- campagnolo enthusiasts

## Why This Product

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

## Key Features

- • **Compact Dimensions:** With a height of 4 inches and length of 6 inches, it fits perfectly on your bike without bulk.
- • **Lightweight Design:** Crafted from premium aluminum, this derailleur weighs in at just 0.1 kg for optimal performance.
- • **Durable Construction:** Built to last, the robust design withstands the rigors of any cycling adventure.
- • **Precision Engineering:** Experience the cutting-edge Ultra-Shift System for seamless gear transitions.
- • **Versatile Compatibility:** Designed for unisex adults, ensuring everyone can enjoy top-tier cycling technology.

## Overview

The Campagnolo Rear Mech - Chorus 12x Rear Derailleur features an innovative Ultra-Shift System and a lightweight aluminum build, designed for precision and durability. With a braze-on mount and compact dimensions, it’s the perfect upgrade for any cycling enthusiast looking to enhance their ride.

## Description

CampagnoloRear Mech - Chorus 12x Rear Derailleur

## Features

- Embrace Technology
- Ultra-Shift System
- Ultra-Shaft exclusive geometry parallelogram

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Mounting type | Braze-On Mount |
| Number of teeth | 12 |
| Manufacturer | Campagnolo |
| Global Trade Identification Number | 08053340453519 |
| Color | Black |
| Size | standard size |
| Height | 4 inches |
| Length | 6 inches |
| Weight | 0.1 Kilograms |
| Width | 6 inches |
| Material Type | Aluminum |
| Department | Unisex - Adults |
| Item model number | RD20-CH12 |
| Product Dimensions | 12.95 x 12.95 x 8.13 cm; 220 g |
| ASIN | B07R68R23K |

## Product Details

- **Brand:** Campagnolo
- **Colour:** Black
- **Material:** Aluminum
- **Item weight:** 220 Grams
- **Case material type:** Aluminium

## Images

![CampagnoloRear Mech - Chorus 12x Rear Derailleur - Image 1](https://m.media-amazon.com/images/I/710bA7W3SqL.jpg)

## Available Options

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

## Frequently Bought Together

- Campagnolo Rear Mech - Chorus 12x Rear Derailleur
- Campagnolo Super Record 12 Speed Ultra Link Chain, Black, 114 Links

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**Shop now:** [https://www.desertcart.ec/products/377490518-campagnolorear-mech-chorus-12x-rear-derailleur](https://www.desertcart.ec/products/377490518-campagnolorear-mech-chorus-12x-rear-derailleur)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-25*