Shimano Ultegra Di2 R8150 Front Derailleur hex Includes bike mount

Includes bike mount

Improved Heat Dissipation:

2019 Women's Stumpjumper ST Comp Carbon 29

ARO5 Race features an aerodynamic and ventilated design that significantly increases airflow throughout 19 ventilation ports

fully adjustable ISPEC-EV shifters

Shimano Ultegra Di2 R8150 Front Derailleur hex Includes bike mountThe all new Shimano Ultegra R8150 Di2 12 Speed Front Derailleur is Shimano's sleekest and fastest shifting derailleur to date. It offers a 45% decrease in shifting time over the Dura Ace R9150 a 33% reduction in frontal area (think of all the aero gains) and a featherlight weight of only 116g. With the Shimano Ultegra R8150 Di2 12 Speed Front Derailleur" you can expect smooth and precise shifting under any circumstances. If you're serious about