Shimano GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur 50t max Chainring

Shimano GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur 50t max ChainringGRX FD RX815 Di2 Front DerailleurOperates with Shimano Di2 for digital electronic shifting Chainline is increased by 2. 5mm over conventional front derailleurs for greater tire clearance in the front 17t front range provides more gear range in the front Double or Triple Double Drivetrain Speeds 11 Derailleur Capacity 17 Front Derailleur Clamp Braze on Front Derailleur Cable Pull Electronic Front Der Shifter Compatibility Shimano Road Di2 Max Ring

And it’s narrow design attaches neatly between other handlebar accessories

0" tires Rear Axle 12mm Thru x 157mm Brake Type Disc TT (Effective) 593 Frame Material Carbon Frame Type Suspension Color Raw Mfg Size Small Platform Blackthorn Wheel Size 29" Defined Color Gray

The I-SPEC EV shift lever offers a wider adjustment range for superior rider tuning

fiber reinforced composite matrix construction

The Shimano XTR BL-M9220 brake lever is designed with evolved ergonomics and the human hand in mind delivering a powerful pull with consistent lever feel and modulation for ultimate control

Stub axles with end caps for mounting to the trailer sold separately

Split Pivot + suspension design features 165 mm of efficient travel that’s fully active under braking and supportive throughout its stroke paired with a 180 mm suspension fork

Easily attach your water bottle cage onto handlebars or seatpost with the tool-free installation

Headbadge included

as well as a key hook

and e-bikes

Cold forged for improved strength