SUM Ultegra Di2 Competition Slightly cropped and ready to

Slightly cropped and ready to meet your favourite high-waisted tights

2x CNC machined black 44mm valves

Made with at least 50% recycled polyester

(1) Torpedo Versa Breather Valve

8% ELASTANE

SUM Ultegra Di2 Competition Slightly cropped and ready toDecisions, 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