Shimano FD-R9250 Dura Ace Di2 12 Spd Braze On Front Derailleur – Black

Despite its smaller, lighter design, the DURA-ACE FD-R9250 brings our fastest front shifting.

Our fastest just got faster thanks to the DURA-ACE FD-R9250. Tipping the scales under 100 grams, the new design shifts 45% quicker than Shimano’s FD-R9150, already our fastest. The frontal area of the FD-R9250 is also reduced decreasing aerodynamic drag.

Key Features:

• Our fastest ever front shifting, 45% faster than FD-R9150
• Smaller, sleeker, lighter
• Frontal area reduced by 33%
• Weight cut to 96 g
• Top gear teeth capacity: 50-55T

E-Tube Project:

Customizable Settings Off The Bike
SHIMANO’s genuine application E-TUBE PROJECT for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-TUBE PROJECT for the Windows V4 application.

HG HyperGlide+
HYPERGLIDE+ dedicated chain delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain.

Benefits & Features:
Improved chain retention encourages more aggressive all-terrain riding and relieves chain-issue anxiety.
Smoother drivetrain transmission and enhanced shifting performance sharpens riders’ concentration and improves acceleration.
Better chain engagement cuts abrasion, reduces maintenance, and lengthens the lifespan of the chain.

Product Specifications:

• Average weight 96
• Action_Down Swing ✔
• Chain line (mm) 44.5
• Chainstay Angle (deg.) 61 – 66
• Compatible chain HG 12-speed
• Firmware update by E-TUBE PROJECT ✔
• Link bushings 4
• Mount_Brazed-On ✔
• Top gear teeth 46-55T
• Total capacity 16T
• Front speeds 2
• Rear speeds 12
• SD300 connector (pcs) 0
• SD300 port (pcs) 1
• SD50 connector (pcs) 0
• SD50 port (pcs) 0