Shimano Dura-Ace Di2 ST-R9170 Shifter Only (Disc Brake) Size:Left Shifter Only Tyres with DuraSkin® sidewall protection

Tyres with DuraSkin® sidewall protection are generally used under the toughest conditions - on messenger bikes

Sizes: 38cm

Favero Electronics manufactures every bike power meters in Italy and tests the good functioning of each unit to ensure maximum reliability and durability

) in PF30 (46mm ID BB shell) frames without the need for any adapters

Shimano Dura-Ace Di2 ST-R9170 Shifter Only (Disc Brake) Size:Left Shifter Only Tyres with DuraSkin® sidewall protectionWith a compact overall shape, the DURA ACE R9170 levers bring both SHIMANO's praised hydraulic disc brake technology and the category leading DI2 electronic shifting in a package ready for the most demanding of race situations. An updated button feel and layout ensure precise shifting while enhanced ergonomics guarantee comfort, allowing you to concentrate on the effort at hand. Specifications Left or Right Di2 Shifter (Choose from drop down menu)