SUM Ultegra Di2 Colour:British Racing Green aiding in temperature regulation

aiding in temperature regulation

When you find yourself out in the dark

Clamp Diameter: 31

Slim main lever body

Sizing information:

SUM Ultegra Di2 Colour:British Racing Green aiding in temperature regulationDecisions, decisions made easy. With a bike that gives you flat out advantage on the climbs, the sprints and the straightaways, the only decision youll need to make is how nice you want to be to the other guys. A rider oriented design approach ensures a frame that is both rooted and responsive, with a ride experience most aero frames cant match. With a layup engineered to maximize aerodynamics while keeping weight low, the design process for the Sum