Shimano Ultegra Di2 12-Speed RD-R8150 Rear Derailleur

Condition: New

The Shimano Ultegra RD-R8150 12-Speed Di2 rear derailleur delivers fast, precise, and reliable electronic shifting designed for modern road performance. Built with Shimano’s latest Di2 platform, it offers ultra-quick gear changes under load, seamless integration with cockpit controls, and improved ergonomics. Its compact Shadow RD enhances aerodynamics while improving chain stability across the entire 12-speed range. With durable construction, low maintenance requirements, and consistent performance in all conditions, the RD-R8150 is a premium choice for riders seeking smooth, effortless shifting and the refined feel of Shimano’s high-end electronic drivetrain technology.

All photos in this listing are of the actual item in its current condition. Our photographers document all components along with any scratches, cosmetic imperfections, or blemishes so you may confidently evaluate this items condition prior to your purchase. Every item listed for sale is currently in stock and ready to be shipped. This is a live listing; Once an sells it is automatically marked as out of stock out and removed.

Components

New

Shimano

Ultegra Di2 RD-R8150

Electronic

No

This Shimano Ultegra RD-R8150 Rear Derailleur is in new condition. Sold as OEM (Original Equipment Manufacture) and may not include Shimano-branded retail packaging. Low Sprocket Max: 34T Low Sprocket Min: 30T Top Sprocket Max: 11T Top Sprocket Min: 11T Max Front Difference:16T Total Capacity: 39T Rear Der/Shifter Compatibility: Shimano Road Drivetrain Speeds: 12 Weight: 262g

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Get riding within minutes. All bikes are shipped with the front wheel and handlebar disassembled. Select intricate bikes may require additional assembly.

If this bike is not perfect for you, our team will help you find the right one! Choose between store credit in full or return the bike with a 10% restocking fee.

Cycle Limited operates exclusively as a direct sellerânot a marketplace. Every bike we list is owned, inspected, and held by us; we donât consign or list for others. Our meticulous pre-purchase inspections and certification process ensures every bike meets our high standards, guaranteeing you quality and transparency in every purchase.