Shimano Ultegra ST-R8050 Di2/Caliper Brake Lever Left 2 Speed Model=Gossamer Tandem Crankset The die-cut borderless decals provide

The die-cut borderless decals provide a distinctive look to go with the distinctive sound and aero-advantage of Zipp wheels rolling at 45km an hour

Chrome plated steel cage

From quick jaunts across town to endurance events to journeys across continents the GS1 Evo is a new favorite among many riders

Compatible with both road and mountain bike brakes

Shimano Ultegra ST-R8050 Di2/Caliper Brake Lever Left 2 Speed Model=Gossamer Tandem Crankset The die-cut borderless decals provideShimano Ultegra ST R8050 Di2 Caliper Brake Lever Left 2 Speed. Ultegra ST R8050 Left Brake & Lever SetCompatible with caliper brakes Clearer separation between the buttons ensures precise shifting even when the driver wears thicker gloves Multi Shift can be switched on or off individually for each switch The buttons under the top cover can be programmed to control third party devices All features are customizable with Shimanos E Tube app or PC