Ultra-Race Dura-Ace Di2

Wherever you attack-climbs, breakaways, or descents-the UCI-approved Ultra-Race delivers. It features Shimano Dura-Ace Di2, Zipp 303 carbon wheels, Pirelli P-Zero race tyres, and a Selle Italia SLR Boost Carbon saddle, all unified by a one-piece carbon cockpit for uncompromising, race-winning performance.