The Shimano Dura-Ace Di2 FD-R9250 is Shimano's flagship 2x12-speed road front derailleur — a completely redesigned, electronic (Di2) unit that shifts 45% faster than the previous FD-R9150 while weighing just 96 g and cutting frontal area by 33% for a cleaner, more aero profile.

Mount & compatibility: This is a braze-on front derailleur that bolts directly to a frame with dedicated braze-on bosses. For clamp-style frames, add Shimano's SM-AD91 band adapter (sold separately). It is a 2x (double) derailleur for Shimano 12-speed road Di2 drivetrains (Dura-Ace R9200, Ultegra R8100, 105 R7100 Di2) — it does not work with 11-speed or MTB systems.

Key Specifications

• Model: Shimano Dura-Ace FD-R9250 (R9200 series, Di2)
• Type: Front derailleur — electronic (Di2)
• Speeds: 2 x 12-speed
• Chainrings: Double (2x)
• Mount type: Braze-on (SM-AD91 clamp adapter sold separately)
• Style: Down-swing
• Max chainring: 55T · Capacity: 16T · Chainline: 44.5 mm
• Shift actuation: Electronic (semi-wireless Di2; connects to battery via EW-SD300 wire)
• Weight: 96 g (3.4 oz)
• Color: Black

Technology Highlights

• 45% faster shifting than the FD-R9150 — Shimano's quickest front shifts ever.
• Aero, low-profile design: 33% smaller frontal area reduces drag at the center of the drivetrain.
• Semi-wireless Di2: Wireless shifter signal; derailleur powered via the central battery for consistent, cable-free front shifts.
• Wide chainring support: Optimized for 54-40, 52-36, and 50-34T road combinations, plus CX setups and up to a 55T ring.

Who It's For

Road and TT/tri riders building or upgrading a Shimano 12-speed Di2 drivetrain (Dura-Ace R9200, Ultegra R8100, or 105 R7100 Di2) who want the lightest, fastest-shifting electronic front derailleur Shimano offers.

What's in the Box

• 1 x Shimano Dura-Ace Di2 FD-R9250 front derailleur (braze-on)
• Fixing bolt & support bolt
• Shimano documentation

Condition & Shipping

• Condition: Brand new in retail packaging
• Ships from: Ontario, California (US domestic)
• Estimated delivery: 3–5 business days
• Returns: Free 30-day returns