Product Features

Explanation

SHIMANO Deore XT Di2 Electronic Rear Derailleur 1x12-Speed ​​RD-M8150-SGS Shadow+ Long Cage | For E-Bikes ⚡🚴‍♂️

Are you ready to crown your e-bike riding experience with a silent, precise, and intelligent revolution? SHIMANO Deore XT Di2 RD-M8150-SGS The rear derailleur is more than just a gear changer; it's a performance brain that works seamlessly with your electric mountain bike's motor, delivering the technology of the future today. Powered by your e-bike's battery, this component... FREE SHIFT And AUTO SHIFT With smart features like these, it's rewriting the logic of gear shifting. It's simply... SHIMANO EP801 and EP6 motor systems Specifically developed to work with, this derailleur promises flawless and reliable performance even in the most challenging terrain conditions.

Breaking traditional boundaries, this electronic derailleur means shifting gears is no longer dependent on pedaling; welcome to a whole new era where your riding intelligence and your bike adapt to you.


 6 Revolutionary Features Coming with the SHIMANO XT Di2 RD-M8150

 FREE SHIFT TECHNOLOGY: SHIFTS GEARS WITHOUT PEDALING!
This is a game-changing feature. Whether you're exiting a corner, before a jump, or maintaining your balance in a technical section, without needing to pedal You can shift gears. The right gear is always ready, at the right time.

 SMART AUTOMATIC TRANSMISSION (AUTO SHIFT) OPTION
The derailleur analyzes your pedaling power, speed, and riding mode. It can automatically switch to the most suitable gear. You can combine this feature with manual intervention if you wish. On long rides, let your bike handle the tedious gear changes and focus solely on the road.

 FULL E-BIKE INTEGRATION (EP801 / EP6 MOTOR)
This derailleur, Only on e-bikes equipped with SHIMANO EP801 and EP6 motor systems. It is designed to work seamlessly. It draws power from your e-bike's main battery, eliminating the need for separate batteries or charging. The motor and gear system function as a single, intelligent unit.

 SOLID AND SAFE DRIVING WITH THE SHATOW+ SYSTEM
Improved Shadow+ The design, by placing the derailleur closer to and inside the frame, allows for maneuvering on rough terrain. chain slap (the chain swinging and hitting the frame) It largely prevents this. This means a quieter ride and better chain safety.

 13-TOOTH LARGE PULLEYS & SMOOTH CHAIN ​​ACTION
Each 13 teeth The large derailleur pulleys provide better chain guidance and lower friction. smoother, more efficient and quieter It provides a certain level of movement. This is a significant durability and performance factor, especially in high-torque e-bikes.

 PERSONALIZATION WITH THE SHIMANO E-TUBE APP.
On your smartphone Shimano E-TUBE With this app, you can customize the derailleur and the entire Di2 system. You can adjust shift speed, AUTO SHIFT sensitivity, check system status, and create user profiles.


📊 TECHNICAL SPECIFICATIONS & COMPATIBILITY TABLE

CATEGORY DETAILS & DESCRIPTION
Model & Code SHIMANO Deore XT Di2 RD-M8150-SGS
Manufacturer Part Number (MPN): IRDM815012SGS
GTIN: 4550170239626
Compatibility ONLY with SHIMANO EP801 and EP6 E-Bike Motor Systems.
Gear System 1x12-speed (Single Front Sprocket, 12 Rear Gears)
Cage Length Long Cage (SGS) - Optimized for wide gear ratios.
Material Aluminum / Stainless Steel - High strength and lightweight.
Colour Anthracite / Black
Weight Manufacturer: 375g Measured: ~369g
Maximum Gear Capacity Total 41T
Cassette Compatibility Max./Min. Largest Roll: 51T
Max./Min. Smallest Roll: 10T
* (For example: It should be used with a cassette such as 10-51T.) *
Gear Shifter Compatibility SW-M8150-R (Right lever)
SW-M8150-IR (Integrated lever)
SW-EM800-L (Left lever for e-bike)
SW-EN600-R (Other models)
Connection Cable EW-SD300 or  EW-SD300-I (Must be purchased separately)
Gear Modes 1. Manual
2. Manual + FREE SHIFT
3. AUTO SHIFT (Automatic)
4. AUTO SHIFT + FREE SHIFT
Scope of Delivery 1x Rear Derailleur. Connection cables must be purchased separately.

🔌 INSTALLATION & SYSTEM REQUIREMENTS

This derailleur is not a standalone product. To function fully, it requires the following: TO THE SHIMANO Di2 UNIVERSE It must be included:

  1. One SHIMANO EP801 or EP6 motor system and battery.

  2. A harmonious Di2 shifter .

  3. Necessary EW-SD300 series Di2 connection cables .

  4. One SHIMANO Di2 battery charging cable .

  5. 10-51T like a compatible 12-speed Di2 cassette .

IMPORTANT WARNING: This derailleur is compatible with standard bicycles or other brands of e-bike motors. It is absolutely incompatible and will not work. Approved only for specified SHIMANO motor systems.


🎯 WHO IS IT IDEAL FOR?

  • Owners of SHIMANO EP801/EP6 Motorized E-Mountain Bikes: Those who want to complement their systems with top-of-the-line electronic derailleurs.

  • Drivers Pushing the Boundaries of Technology: For those who want to take their driving to the next level with smart features like FREE SHIFT and AUTO SHIFT.

  • Racers and Performance-Oriented Riders: For those seeking a system with the highest level of gear shifting precision, speed, and reliability.

  • Long Distance and Technical Course Drivers: With its automatic transmission and pedal-free gear shifting features, it's ideal for those who want to focus entirely on the road.


⚙️ MAINTENANCE & SOFTWARE UPDATES

  • Software: Regularly update the derailleur's software. Shimano E-TUBE Update through the app to take advantage of the latest features and performance improvements.

  • Cleaning: Clean with a damp cloth, without using pressurized water. Inspect the reels regularly and clean them if necessary.

  • Control: Periodically, ensure all connection points and screws are tight.


🏁 FINAL WORD: INSTALLE THE SMART BRAIN OF YOUR E-BIKE.

The SHIMANO Deore XT Di2 RD-M8150-SGS is a milestone in e-cycling, bringing intelligence and comfort. No more thinking or pedaling to shift gears; your bike thinks and acts for you. With its Shadow+ robustness and quiet operation, this intelligence is not only clever but also incredibly powerful.

The future of gear shifting begins today. Silent, precise, and limitless. Unleash your liberation with SHIMANO XT Di2.

100% Originality Guarantee

All our products are 100% original and are offered with quality and assurance. As Uğur Bicycle, we only deliver products that we procure from reliable and authorized suppliers and that we distribute ourselves. Shop with peace of mind, pedal to quality!

Free Shipping and Free Returns

Frequently Asked Questions

📌 When will my order be shipped?

Your orders will be delivered to cargo within 1-2 business days . This period may vary depending on the density during campaign periods.

📌 Which Cargo Company Do You Work With?

Shipments are made within Türkiye with Domestic Cargo. International shipments are sent with any of the companies DHL - FEDEX - TNT.

📌 How can I track my order?

When your order is shipped, the tracking number is shared via e-mail and SMS. You can track your order on the cargo company's website with this number.

📌 How can I return and exchange a product?

You can return the products within 14 days , unused and in their original packaging. You can review our return policy for detailed return procedures.

📌 When will I be refunded for the product I returned?

Once your return is approved, your payment will be refunded within 3-7 business days , depending on the payment method you used.

📌 Do your products have a warranty?

Yes! All products on sale are under manufacturer or distributor warranty . You can check the product descriptions for warranty period and conditions.

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