SHIMNAO Dura-Ace DI2 R9250 R9270 front derailleur 12S chainring BL/BR-M9000 with disc brake rotor)Quicker

BL/BR-M9000 with disc brake rotor)Quicker brake engagement with shorter free stroke

Our lightest

Medium Cage GS (cassettes from 28-34T)

X0 Transmission Flattop chain

SHIMANO GRX - Hydraulic Disc Brake Lever

SHIMNAO Dura-Ace DI2 R9250 R9270 front derailleur 12S chainring BL/BR-M9000 with disc brake rotor)QuickerDespite 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. Our fastest ever front shifting, 45% faster than FD R9150 Smaller, sleeker, lighter: Frontal area reduced