Front Derailleur Shimano Ultegra FD-R8150 DS Brazed-on 2x12 Di2

Front Derailleur Shimano Ultegra FD-R8150 DS Brazed-on 2x12 Di2

The Shimano Ultegra Di2 FD-R8150 front derailleur sets a new benchmark for 12-speed road shifting speed and precision. Compared to the previous generation Dura-Ace FD-R9150, shifting is up to 45% faster, delivering lightning-quick and seamless transitions between chainrings even under maximum load.

Advanced Di2 actuators ensure immediate and highly accurate response to every shift command. Its more compact design improves installation compatibility with modern frame geometries while optimizing overall performance. The result is quiet operation, aerodynamic efficiency and dependable performance for both racing and demanding training sessions.

The braze-on mount guarantees secure and stable attachment, while Ultegra R8100 series technology combines precision, durability and refined electronic control. This front derailleur is built for riders who demand uncompromising efficiency from their electronic drivetrain.

• Model: FD-R8150
• Series: Shimano Ultegra Di2 R8100
• Type: Braze-on
• Front Speeds: 2
• Rear Speeds: 12
• Max Chainring: 52T
• Total Capacity: 16T
• Chain Line: 44.5 mm
• Chain Stay Angle: 61–66°
• Weight: 110 g