ST-R9160, Dura-Ace Di2, Position:Rear 11 Spd. Its bead blast black finish

Its bead blast black finish with gloss graphics mean the bar looks as smooth as it performs

The vertical strings are made of VectranTM

High-density perforated PU upper for durability and breathability

Also removes some press fit bottom bracket cups including SRAM® DUB®

ST-R9160, Dura-Ace Di2, Position:Rear 11 Spd. Its bead blast black finishFor time trial and triathlon use, the DURA ACE ST R9160 levers reduce drag thanks to their aerodynamic design. The one button layout integrates seamlessly with SHIMANO's SYNCHRONIZED SHIFT. BENEFIT Optimum power transmitted with firm grip FEATURE More aerodynamic and better grip feeling TECHNOLOGY Switch button integrated inside without hand release BENEFIT Intuitive shifting control FEATURE Keep firm grip when shifting FEATURE Single button on each