Shimano Di2 DURA ACE R9270 Shifter shift Brake, R9250 Front + Rear Derailleur 2x12s derailleur ride faster and unlock your

ride faster and unlock your ultimate potential

Intuitive and versatile braking keeps your focus on the trail

interdependent transmission components

High-performance brake controlHigher braking force with reduced input force at finger tips highly linear response

So when we found ways to make our lightest and stiffest crankarms even lighter

Shimano Di2 DURA ACE R9270 Shifter shift Brake, R9250 Front + Rear Derailleur 2x12s derailleur ride faster and unlock yourDura ace ST R9270+BR R9270 Di2 2x12 Speed Dura ace FD R9250 Di2 2x12 speed Front Derailleur Braze On Dura ace RD R9250 Di2 12 speed Rear Derailleur Di2 Battery BT DN300 (For built in installation in the seat post) Di2 Battery Charging Cable EW EC300 Di2 Electric Wire EW SD300