SHIMNAO Dura-Ace DI2 R9250 R9270 front derailleur 12S chainring This design also allows for

This design also allows for a flatter plate

Our lightest

Our all-new Transmissions take a holistic approach to a bicycles shifting

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

Update brake lever shape

SHIMNAO Dura-Ace DI2 R9250 R9270 front derailleur 12S chainring This design also allows forDespite 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