---
product_id: 228602161
title: "Shimano Deore XT RD-M8120 XT 12-Speed Rear derailleur, Shadow+, SGS, for Double, Black, Long"
brand: "shimano"
price: "897.33 DT"
currency: TND
in_stock: true
category: "Shimano"
url: https://www.desertcart.tn/products/228602161-shimano-deore-xt-rd-m8120-xt-12-speed-rear-derailleur
store_origin: TN
region: Tunisia
---

# 12-speed precision shifting durable aluminum build Shadow+ tech for chain stability Shimano Deore XT RD-M8120 XT 12-Speed Rear derailleur, Shadow+, SGS, for Double, Black, Long

**Brand:** shimano
**Price:** 897.33 DT
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Shift Like a Pro, Ride Like You Own the Trail

## Quick Answers

- **What is this?** Shimano Deore XT RD-M8120 XT 12-Speed Rear derailleur, Shadow+, SGS, for Double, Black, Long by shimano
- **How much does it cost?** 897.33 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/228602161-shimano-deore-xt-rd-m8120-xt-12-speed-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

- • **Shadow+ Chain Stabilizer:** Minimize chain slap and maximize control with the innovative Shadow+ clutch system.
- • **Seamless 12-Speed Shifting:** Experience ultra-smooth gear transitions with Shimano’s advanced 12-speed drivetrain compatibility.
- • **Robust Aluminum Construction:** Lightweight yet tough aluminum body ensures long-lasting durability on every trail.
- • **Optimized for Double Chainrings:** Specifically engineered for 2x setups, delivering precise and reliable performance.
- • **Sleek Black Finish with Braze-On Mount:** Modern design that integrates effortlessly with your bike’s frame for a clean, professional look.

## Overview

The Shimano Deore XT RD-M8120 is a high-performance 12-speed rear derailleur designed for mountain biking enthusiasts who demand precision and durability. Featuring a lightweight aluminum body, Shadow+ clutch technology for enhanced chain retention, and optimized for double chainring setups, this long cage derailleur delivers smooth, reliable shifting and superior control on rugged terrain.

## Description

MTB DEORE XT M8100 Rear Derailleur 2x12S 45 Teeth Black

## Features

- Durable Material
- Modern design
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
- Item Package Length: 15.2 cm
- Item Package Height: 10.6 cm
- Item Package width: 15.6 cm
- Lower voltage load for rear derailleur and chain in low gears

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SVM3P2Q |
| Best Sellers Rank | #714,722 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #770 in Rear Bike Derailleurs |
| Brand Name | SHIMANO |
| Case Material Type | Aluminium |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (56) |
| Global Trade Identification Number | 04550170443658 |
| Included Components | nothing |
| Item Dimensions L x W x H | 5.98"L x 6.14"W x 4.17"H |
| Item Type Name | MTB DEORE XT M8100 Rear Derailleur 2x12S 45 Teeth Black |
| Item Weight | 0.44 Kilograms |
| Manufacturer | Shimano Deore XT |
| Manufacturer Part Number | 160144 |
| Material Type | Aluminum |
| Model Number | RDM8120SGS |
| Mount Type | Braze-On Mount |
| Number of Teeth | 45 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** SHIMANO
- **Color:** Black
- **Item Weight:** 0.44 Kilograms
- **Material:** Aluminum
- **Mounting Type:** Braze-On Mount

## Images

![Shimano Deore XT RD-M8120 XT 12-Speed Rear derailleur, Shadow+, SGS, for Double, Black, Long - Image 1](https://m.media-amazon.com/images/I/61IqAsL5-YL.jpg)

## Frequently Bought Together

- Shimano Deore XT RD-M8120 XT 12-Speed Rear derailleur, Shadow+, SGS, for Double, Black, Long
- Shimano XT SL-M8100-L Right Clamp-Band 12-Speed Shifter, Black

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**Shop now:** [https://www.desertcart.tn/products/228602161-shimano-deore-xt-rd-m8120-xt-12-speed-rear-derailleur](https://www.desertcart.tn/products/228602161-shimano-deore-xt-rd-m8120-xt-12-speed-rear-derailleur)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-29*