Shimano R9250 Dura-Ace Di2 Groupset Shimano Dura-Ace FC-R9200 12 Speed Crankset (Size):160mm it delivers both reliability and

it delivers both reliability and style for modern and retro riders alike

it now has a LCD gauge to give all important information such as psi and battery capacity

Foam : Biofoam

7-speedShifters: microSHIFT

The Advanced Forged Composite upper rocker arm adds stiffness and lowers overall weight

Shimano R9250 Dura-Ace Di2 Groupset Shimano Dura-Ace FC-R9200 12 Speed Crankset (Size):160mm it delivers both reliability andThe Shimano Dura Ace R9250 Di2 12 Speed Groupset represents the pinnacle of Shimano road performance. Engineered for WorldTour racing and uncompromising riders, it delivers lightning fast electronic shifting, class leading efficiency and the lowest weight in Shimano's lineup. Finished in Dura Ace's stealth black, every component is designed with a singular focus: maximum speed, precision and performance when every watt counts. Groupset includes: