---
product_id: 158810962
title: "SHIMANO XT RD-M8100-SGS RD-M8120-SGS 12-Speed Rear Derailleur, Long Cage, Black"
brand: "shimano"
price: "₨3311"
currency: SCR
in_stock: true
category: "Shimano"
url: https://www.desertcart.sc/products/158810962-shimano-xt-rd-m8100-sgs-rd-m8120-sgs-12-speed
store_origin: SC
region: Seychelles
---

# Shadow+ chain retention tech Durable sleek black alloy 12-speed precision shifting SHIMANO XT RD-M8100-SGS RD-M8120-SGS 12-Speed Rear Derailleur, Long Cage, Black

**Brand:** shimano
**Price:** ₨3311
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift like a pro, ride like you own the trail.

## Quick Answers

- **What is this?** SHIMANO XT RD-M8100-SGS RD-M8120-SGS 12-Speed Rear Derailleur, Long Cage, Black by shimano
- **How much does it cost?** ₨3311 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/158810962-shimano-xt-rd-m8100-sgs-rd-m8120-sgs-12-speed)

## 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

- • **Long Cage Versatility:** Accommodates wide-range cassettes for ultimate adaptability on any terrain.
- • **Sleek, Stealthy Finish:** Matte black finish blends style with function, perfect for the discerning rider.
- • **Unmatched Chain Stability:** Shadow+ design keeps your chain locked in place, eliminating chain drops on rugged trails.
- • **Effortless 12-Speed Shifting:** Experience flawless gear changes with Shimano’s cutting-edge 12-speed drivetrain technology.
- • **Premium Shimano Craftsmanship:** Built with high-grade alloy steel for durability and long-lasting performance.

## Overview

The Shimano Deore XT RD-M8100-SGS is a high-performance 12-speed long cage rear derailleur engineered for mountain biking. Featuring Shadow+ technology for superior chain retention and quiet operation, it supports single chainring setups and wide-range cassettes. Crafted from durable alloy steel with a sleek black finish, it delivers reliable, precise shifting backed by Shimano’s trusted quality.

## Description

The Shimano Deore XT RD-M8100/M8120 rear derailleur is designed to provide smooth and stable shifting for 12-speed MTB transmissions. Delivers fast and shock-free change. Low profile design includes an added bumper to the derailleur pulley cage Shimano Shadow RD+ technology reduces chain shock and creates a quieter transmission Includes large 13 ton pulley The long cage is designed to be used with 2x12 transmission systems.

## Features

- Deore XT RD-M8100 12-speed rear derailleur for precise gear shifting
- Shimano brand ensures quality and performance
- Shadow+ design for stable chain retention
- Suitable for single chainring setups

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SWQZB46 |
| Best Sellers Rank | 64,922 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 57 in Bike Rear Dérailleurs |
| Brand Name | SHIMANO |
| Case Material Type | Alloy Steel |
| Colour | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (603) |
| Global Trade Identification Number | 04550170443641 |
| Included Components | Shimano Deore XT |
| Item Dimensions L x W x H | 17.8L x 17.8W x 12.7H centimetres |
| Item Type Name | Brakes & Shifters |
| Item Weight | 200 Grams |
| League Name | Shimano |
| Manufacturer | Shimano Deore XT |
| Manufacturer Part Number | 587830 |
| Manufacturer Warranty Description | 1 year manufacturer |
| Material Type | Other |
| Model Number | 587830 |
| Mount Type | Clamp-On Mount |
| Number of Items | 1 |
| Number of Teeth | 26 |
| UPC | 192790443645 |

## Product Details

- **Brand:** SHIMANO
- **Colour:** Black
- **Item weight:** 200 Grams
- **League:** Shimano
- **Material:** Other

## Images

![SHIMANO XT RD-M8100-SGS RD-M8120-SGS 12-Speed Rear Derailleur, Long Cage, Black - Image 1](https://m.media-amazon.com/images/I/51K46DNzSPL.jpg)

## Available Options

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

## Frequently Bought Together

- SHIMANO XT RD-M8100-SGS RD-M8120-SGS 12-Speed Rear Derailleur, Long Cage, Black
- Shimano XT SL-M8100-L Right Clamp-Band 12-Speed Shifter, Black
- SHIMANO Xt Cs-M8100 12-Speed Cassette

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sc/products/158810962-shimano-xt-rd-m8100-sgs-rd-m8120-sgs-12-speed](https://www.desertcart.sc/products/158810962-shimano-xt-rd-m8100-sgs-rd-m8120-sgs-12-speed)

---

*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-10-03*