Shimano electronic shifting excels
IA speed in a streamlined package complete with Shimano's performance-oriented Ultegra Di2 12-speed groupset. Dialed shifting and beautiful ergonomics ensures a great ride and the technology triathletes demand.

Built for athletes who measure performance in seconds, the Felt IAx Advanced Ultegra Di2 is a dedicated triathlon machine designed to deliver high-speed aerodynamics, precise handling, and a highly adjustable riding position.
The bike pairs its aerodynamic platform with a Shimano Ultegra Di2 12-speed electronic drivetrain, providing fast, accurate shifting with the consistency demanded during long-distance training and racing. A 52/36T Ultegra crankset and 11–30T cassette provide a versatile 2×12-speed range for maintaining speed on flats while retaining useful gearing for climbs.
The IA has been the most successful triathlon platform Felt has ever created. As we introduced the IA 2.0 and its industry-leading technology, we updated the prior IA to become the IA "x". This "new" version eliminates the nose cone and one-piece front end from the old version to help with more fit options across a wider range of athlete levels.
IA speed in a streamlined package complete with Shimano's performance-oriented Ultegra Di2 12-speed groupset. Dialed shifting and beautiful ergonomics ensures a great ride and the technology triathletes demand.
Reynolds' AR58/62 DB wheelset is custom-made for us to ensure the best of aerodynamics and ride quality whether you are training or racing. Premium Continental Grand Prix SL tires offer a sure-footed performance.
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