---
product_id: 381411084
title: "RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette)"
brand: "shimano"
price: "AR$651299"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/381411084-rd-m640-zee-shadow-plus-10-speed-rear-derailleur-use
store_origin: AR
region: Argentina
---

# Noise-reducing Shadow Plus tech 10-speed precision shifting Durable aluminum build RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette)

**Brand:** shimano
**Price:** AR$651299
**Availability:** ✅ In Stock

## Summary

> ⚡ Shift like a pro, ride like you own the trail!

## Quick Answers

- **What is this?** RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette) by shimano
- **How much does it cost?** AR$651299 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/381411084-rd-m640-zee-shadow-plus-10-speed-rear-derailleur-use)

## 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

- • **Built to Endure:** Robust aluminum construction paired with sealed bearing pulleys for long-lasting reliability.
- • **Chain Tensioning Mastery:** Advanced tension device drastically reduces dropped chains and unwanted clatter.
- • **Smooth as Silk Operation:** Four fluorine-coated pivot bushings deliver buttery-smooth shifting performance.
- • **Shadow Plus Low-Profile Design:** Minimizes chainstay contact and protects your drivetrain from impacts and noise.
- • **Seamless 10-Speed Compatibility:** Optimized for Dyna-Sys 10-speed Shimano setups, ensuring flawless gear transitions.

## Overview

The Shimano RD-M640 Zee Shadow Plus is a high-performance 10-speed rear derailleur engineered for aggressive riders. Featuring Shadow Plus technology, it offers a low-profile design that reduces chainstay contact and noise while enhancing chain retention. Built with durable aluminum and smooth fluorine-coated pivot bushings, it guarantees precise, reliable shifting compatible with 11-32 and 11-36 cassettes.

## Description

RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette)

## Features

- Shadow Plus technology keeps the low profile shape reducing chainstay and other contact, and adds a chain tensioning device reducing noise and dropped chains
- Compatible with Dyna-Sys 10 speed Shimano products
- Aluminum construction with sealed bearing pulleys
- 4 fluoric coated link pivot bushings for smooth operation
- Shimano Reference Number: RD-M640

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 689228305328 |
| Global Trade Identification Number | 00689228305328 |
| Item Package Dimensions L x W x H | 7.56 x 5 x 3.7 inches |
| Package Weight | 0.4 Kilograms |
| Item Dimensions  LxWxH | 7 x 5 x 4 inches |
| Brand Name | SHIMANO |
| Warranty Description | Limited Warranty |
| Model Name | IRDM640SSW |
| Suggested Users | mens |
| Number of Items | 1 |
| Part Number | IRDM640SSW |
| Included Components | Rear Derailleur |
| Size | Use with 11-32/11-36 Cassette |
| Sport Type | Cycling |

## Product Details

- **Brand:** SHIMANO
- **Colour:** One Color
- **Material:** other
- **Mounting Type:** Clamp-On Mount or Braze-On Mount
- **Manufacturer:** Shimano

## Images

![RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-32/11-36 Cassette) - Image 1](https://m.media-amazon.com/images/I/61rPl1vwx3L.jpg)

## Frequently Bought Together

- Shimano RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur
- Shimano SL-M640 Zee 10 Speed Shifter
- Shimano HG50 10 Speed Mountain Bike Cassette 11-36T

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**Shop now:** [https://www.desertcart.com.ar/products/381411084-rd-m640-zee-shadow-plus-10-speed-rear-derailleur-use](https://www.desertcart.com.ar/products/381411084-rd-m640-zee-shadow-plus-10-speed-rear-derailleur-use)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-17*