---
product_id: 23395638
title: "SHIMANORear derailleur Roller."
brand: "shimano"
price: "NT$7875"
currency: TWD
in_stock: true
reviews_count: 3
url: https://www.desertcart.tw/products/23395638-shimanorear-derailleur-roller
store_origin: TW
region: Taiwan
---

# Lightweight 0.39 kg design 43-tooth precision gearing Shadow-Plus stabilizer tech SHIMANORear derailleur Roller.

**Brand:** shimano
**Price:** NT$7875
**Availability:** ✅ In Stock

## Summary

> ⚡ Shift into the future with Shimano’s stealthy precision!

## Quick Answers

- **What is this?** SHIMANORear derailleur Roller. by shimano
- **How much does it cost?** NT$7875 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/23395638-shimanorear-derailleur-roller)

## 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

- • **Pro-Grade Durability:** Built to last with Shimano’s trusted engineering, perfect for the serious cycling enthusiast.
- • **Effortless Efficiency:** Roller design outperforms traditional chain devices, delivering smoother transitions and less drag.
- • **Lightweight Braze-On Mount:** Optimized for performance without adding bulk—ride faster, ride smarter.
- • **Precision 43-Tooth Gearing:** Experience smooth, reliable gear shifts with Shimano’s exact 43-tooth setup.
- • **Shadow-Plus Stabilizer Technology:** Minimize chain slap and prevent derailment for a seamless ride every time.

## Overview

The SHIMANO Rear Derailleur Roller (Model Xt M786) features a 43-tooth braze-on mount design with Shadow-Plus stabilizer technology that reduces chain slap and prevents derailment. Weighing just 0.39 kg, it offers a lightweight, efficient, and durable solution for professional-grade cycling performance.

## Description

SHIMANO Y-56398100 7/8 Speed ​​Rear Derailleur Wheels

## Features

- Shadow-Plus Technology with stabilizer
- the gear switch stabilizer reduces hitting and prevents the chain from coming off
- lighter and more efficient than chain devices with rollers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Mounting Type | Braze-On Mount |
| Number of Teeth | 43 |
| Manufacturer | Shimano |
| UPC | 656169656758 |
| Global Trade Identification Number | 04524667299295 |
| Item Package Dimensions L x W x H | 6.14 x 6.02 x 3.58 inches |
| Package Weight | 0.39 Kilograms |
| Item Dimensions  LxWxH | 6.3 x 6.3 x 4.72 inches |
| Brand Name | SHIMANO |
| Model Name | Xt M786 |
| Number of Items | 1 |
| Part Number | RDM786SGSL |
| Model Year | 2016 |
| Included Components | Speed rear derailleur |
| Size | talla_única |

## Product Details

- **Brand:** SHIMANO
- **Color:** Black
- **Material:** Aluminum
- **Item Weight:** 200 Grams
- **Case Material:** Aluminum

## Images

![SHIMANORear derailleur Roller. - Image 1](https://m.media-amazon.com/images/I/51lOBUpS7AL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worth it.
*by K***Y on January 8, 2020*

Fast shipping from the seller.It does not come with the b-link but does include the mounting screw if you choose to use a goatlink.I used this set up as a 1x10 with an 11-40 cassette and goatlink. Works great. Extremely quite. Clutch system rocks. Huge upgrade.

### ⭐⭐⭐⭐⭐ Bargain buy for a perfect derailleur.
*by A***R on May 30, 2020*

My old XT SGS wouldn't upshift consistently. This new one works perfectly. My bike is not set up for direct mount so I used the mounting link from my old derailleur. No issues and saved 20+ dollars!

### ⭐⭐⭐⭐⭐ Xt is the best.
*by C***. on March 18, 2020*

The perfect upgrade to any mountain bike.

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**Shop now:** [https://www.desertcart.tw/products/23395638-shimanorear-derailleur-roller](https://www.desertcart.tw/products/23395638-shimanorear-derailleur-roller)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-05-06*