ST-R9180, Dura-Ace Di2 Position:Front 2 Spd. accommodates common maintenance and features

accommodates common maintenance and features that real world riders really appreciate

everyone loves the shape

DO NOT IRON

The sculpted front and back foam panels create a more appropriate fit for paddle sports

Extensively used on tour

ST-R9180, Dura-Ace Di2 Position:Front 2 Spd. accommodates common maintenance and featuresOvercoming the sometimes complicated cable routing of time trial and triathlon bikes, the DURA ACE R9180 levers bring the confidence of hydraulic disc brakes to the sleekest bikes in the world. Combined with the plug and play ease of SHIMANO DI2 electronic shifting, they offer an advantage in any race. BENEFIT Optimum power transmitted with firm grip FEATURE More aerodynamic and better grip feeling TECHNOLOGY Switch button integrated inside without