---
product_id: 657050956
title: "Deore Rd-M5100 Rear Derailleur"
brand: "shimano"
price: "¥24187"
currency: JPY
in_stock: true
reviews_count: 6
category: "Shimano"
url: https://www.desertcart.jp/products/657050956-deore-rd-m5100-rear-derailleur
store_origin: JP
region: Japan
---

# Shimano Direct Mount for seamless fit 51T max cog for ultimate gear range Long cage for smooth 11-speed shifting Deore Rd-M5100 Rear Derailleur

**Brand:** shimano
**Price:** ¥24187
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the future of trail dominance!

## Quick Answers

- **What is this?** Deore Rd-M5100 Rear Derailleur by shimano
- **How much does it cost?** ¥24187 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/657050956-deore-rd-m5100-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

- • **Gear up for every climb:** Handles a massive 51-tooth cog to conquer steep trails with ease.
- • **Lightweight yet durable:** Crafted from alloy steel, balancing strength with minimal weight at just 0.5 kg.
- • **Precision engineered fit:** Shimano Rear Direct Mount ensures rock-solid installation and alignment.
- • **Built for the serious rider:** Designed specifically for men’s mountain bikes, ready to elevate your ride.
- • **Smooth shifting, every time:** Long cage design optimizes chain tension for flawless 11-speed performance.

## Overview

The Shimano Deore RD-M5100 Rear Derailleur is a high-performance, long-cage derailleur designed for 11-speed systems with up to a 51-tooth largest cog. Featuring a Shimano Rear Direct Mount for precise installation and crafted from durable alloy steel, it offers reliable, smooth shifting for serious mountain bikers seeking to maximize gear range and ride efficiency.

## Description

SHIMANO Deore RD-M5100-SGS Rear Derailleur - 11-Speed, Long Cage, Black : desertcart.co.uk: Sports & Outdoors

Review: Genuine item - ... boxed as new
Review: Arrivato con gabbia schiacciata perché non aveva un imballaggio, ma solo un sacchetto.

## Features

- Compatible with a 51T maximum cog size for 11-speed systems
- Rear Derailleur Mount Type: Shimano Rear Direct Mount
- Cage Length: Long
- Largest Cog: 51

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product dimensions | 12.7L x 9.5W x 17.1H centimetres |
| Manufacturer | Shimano |
| UPC | 192790618708 |
| Color | Black |
| Size | Long Cage |
| Weight | 0.5 Kilograms |
| Material type | Alloy Steel |
| Number of items | 1 |
| Batteries included? | No |
| Department | Men's |
| Item model number | IRDM5100SGS 3/15 |
| ASIN | B088XPFXGT |

## Product Details

- **Brand:** SHIMANO
- **Colour:** Black
- **Material:** Alloy Steel
- **Item weight:** 490 g
- **Mounting type:** Shimano Rear Direct Mount

## Images

![Deore Rd-M5100 Rear Derailleur - Image 1](https://m.media-amazon.com/images/I/51U9BjYCj1L.jpg)

## Questions & Answers

**Q: will this work for 1X11- 51 Teeth drive terrain?**
A: Yes. It's designed for 1x11 speed drive train. I  use it on a 11-51 cassette.

**Q: Would this work for a 11-46 eight speed cassette?**
A: No

**Q: Does it have a clutch?**
A: Yes it has a clutch

**Q: Can I attach this 5100 w/o the G link which was part of my prior shimano deraillor?**
A: It should bolt to your existing derailleur hanger.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Genuine item
*by J***T on 7 November 2025*

... boxed as new

### ⭐ Review
*by E***A on 29 August 2023*

Arrivato con gabbia schiacciata perché non aveva un imballaggio, ma solo un sacchetto.

### ⭐⭐⭐⭐⭐ Review
*by H***R on 24 February 2025*

Shinmano eben. Montiert, eingestellt und funktioniert. Keine Probleme

## Frequently Bought Together

- Shimano Deore Rd-M5100 Rear Derailleur
- SHIMANO Cs-M5100 Cassette 11 Speed, 11-51T
- SHIMANO Deore SL-M5100 Shifter Right, Clamp Band/11 Speed

---

## 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.jp/products/657050956-deore-rd-m5100-rear-derailleur](https://www.desertcart.jp/products/657050956-deore-rd-m5100-rear-derailleur)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-19*