SUM Ultegra Di2 Competition 8% ELASTANE

8% ELASTANE

This design helps in maintaining toe separation effectively while providing support during movement

Adjustments to the gears and brakes

Possible to select appropriate gear combination for stress free long riding

2x CNC machined black 44mm valves

SUM Ultegra Di2 Competition 8% ELASTANEDecisions, 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