---
product_id: 497523436
title: "Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black"
brand: "shimano"
price: "10752 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/497523436-ultegra-rd-r8150-di2-rear-derailleur-12-speed-medium-cage
store_origin: DK
region: Denmark
---

# Integrated wireless unit for seamless connectivity LED status indicator for real-time battery & performance 12-speed precision shifting with medium cage Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black

**Brand:** shimano
**Price:** 10752 kr
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the future — ride smarter, not harder!

## Quick Answers

- **What is this?** Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black by shimano
- **How much does it cost?** 10752 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/497523436-ultegra-rd-r8150-di2-rear-derailleur-12-speed-medium-cage)

## 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

- • **Wireless Integration:** Compact design with built-in wireless unit ensures clutter-free setup and easy firmware updates.
- • **Lightweight & Durable:** Crafted from aluminum carbon fiber, balancing featherlight 408g weight with rock-solid reliability.
- • **Wide Gear Range Mastery:** Handles a max low sprocket of 34t and 39 teeth chain wrap capacity for versatile terrain domination.
- • **Real-Time Status Feedback:** LED indicator keeps you informed on battery life and shifting status, so you never miss a beat.
- • **Effortless Shifting Precision:** Experience ultra-smooth 12-speed gear changes with Shimano’s advanced Di2 technology.

## Overview

The SHIMANO Ultegra RD-R8150 Di2 Rear Derailleur is a cutting-edge 12-speed medium cage drivetrain component featuring integrated wireless connectivity, a wide gear range capacity (up to 34t sprocket), and an LED status indicator. Designed with lightweight aluminum carbon fiber, it delivers precision electronic shifting for serious cyclists seeking performance and reliability.

## Description

Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black

## Features

- Compact design includes an integrated wireless unit, charger, switch
- Wider range capacity
- Max. low sprocket 34t
- LED status indicator.Chain Wrap Capacity (teeth): 39.Rear Der/Shifter Compatibility: Shimano Road Di2.Cage Length: Medium.Drivetrain Speeds: 12
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product dimensions | 17.8L x 17.8W x 17.8H centimetres |
| Manufacturer | Shimano |
| UPC | 192790874999 |
| Age range | Adult |
| Color | Black |
| Size | Medium Cage |
| Weight | 408 g |
| Material type | Aluminum Carbon Fiber |
| Number of items | 1 |
| Included components | Shimano Ultegra RD-R8150 Di2 Rear Derailleur |
| Batteries included? | No |
| Department | Unisex |
| Manufacturer reference | IRDR8150A |
| ASIN | B09YJSJNBS |

## Product Details

- **Brand:** SHIMANO
- **Colour:** Black
- **Material:** Aluminum Carbon Fiber
- **Item weight:** 408 g
- **Mounting type:** Braze-On Mount

## Images

![Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black - Image 1](https://m.media-amazon.com/images/I/61qtfplzLFL.jpg)
![Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black - Image 2](https://m.media-amazon.com/images/I/51oLNouvsQL.jpg)
![Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black - Image 3](https://m.media-amazon.com/images/I/41lB9qbH1wL.jpg)

## Frequently Bought Together

- Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black
- SHIMANO Ultegra Fd-R8150 Di2 Front Derailleur Grey, Braze-On
- SHIMANO Bt-Dn300 Battery Black, One Size

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**Shop now:** [https://www.desertcart.dk/products/497523436-ultegra-rd-r8150-di2-rear-derailleur-12-speed-medium-cage](https://www.desertcart.dk/products/497523436-ultegra-rd-r8150-di2-rear-derailleur-12-speed-medium-cage)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-28*