Shimano Ultegra Di2 FD-R8150 – 2x12-speed front derailleur

The new Shimano Ultegra Di2 FD-R8150 takes the front shifting experience to the next level. More compact, lighter, and more aerodynamic, it ensures quick, smooth, and precise shifting thanks to the latest-generation Di2 technology combined with the HYPERGLIDE+ system.

Main features

• Ultra-fast chainring shifting: 45% faster than the FD-R9150 model.

• Compact and aerodynamic design: 33% reduced frontal area for improved aerodynamic efficiency.

• Optimized weight: only 116 g, among the lightest in its category.

• Chainring Compatibility: Supports combinations up to 46-52 teeth.

• Wireless Di2 technology: for precise and immediate electronic shifting.

Technical specifications

• Series: Ultegra R8150

• Speed: 2x12

• Fixing type: braze-on

• Drivetrain compatibility: Shimano Di2 12v road

• Maximum crown gearing: 52T

• Weight: 116g (claimed)