All images on this page are used for illustrative purposes only. Actual bike specifications may vary depending on country and assembly options available. Please refer to the Features and Configurations section below for options available in your region.
Sum Pro
Shimano Ultegra Di2
All images on this page are used for illustrative purposes only. Actual bike specifications may vary depending on country and assembly options available. Please refer to the Features and Configurations section below for options available in your region.
Shimano Ultegra Di2 Components
Geometry and fit
Geometry
Fit (Stack and Reach)
Other Configurations
Equation
Summer starts here: Maximum value to max out those long days
Sum
Own the season: the Sum will get you ahead on the climbs, keep you there on the flats, and power you through the sprints.
Sum Pro
Quiver-killer? You want more than that. From the climbs to the crits, you’ll accept no compromises in aero performance, lightweight advantage, and flat-out, bunch sprint handling.