IA FRD Ultimate Dura-Ace Di2


Our very first bike was made for one of the greatest triathletes in history—Paula Newby-Fraser—who rode her stealth black Felt B2 to multiple world championship victories. Since then, we’ve never stopped pursuing the ideal triathlon racing machine. The IA is the culmination of 30 years of iterative design and painstaking development, and its results at the highest level of competition speak for themselves. So we can tell you that the IA is the most aerodynamic bike in the world. We can also say that it’s the best-handling triathlon bike on the planet. But what we should really mention is that the IA won the Kona World Championship a staggering six times in a row, and it holds both bike and overall course records across the lava fields of Hawaii. So, really, what else do you need to know?

The best of the best. Our premium frame materials and the finest attention to detail. Featuring the best components around, all working in harmony to make you as fast as possible.

  • Shimano Dura-Ace Di2 electronic drivetrain
  • Zipp 454 NSW and 858 NSW carbon wheels
  • Hydraulic disc brakes
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Every racecourse is different, with varying elevation gains, road curvature, and, of course, an endless variety of wind, both in terms of velocity and direction. After endless simulated modeling, wind tunnel testing, and real-world riding of prototypes, countless new designs were scrutinized, updated, and tested again, the cycle repeating anew. The result is a bike worthy of carrying on the legendary IA name, one also featuring the improved performance that disc brakes bring to the riding experience. It’s not merely fast in a straight line—it’s faster in all conditions.



Disc brakes are the best means of controlling a bicycle. Period. Plus, they perform better in adverse weather conditions. Wherever the road takes you, and in whatever conditions you find yourself, the disc brake-equipped IA gives you the confidence to tackle any racecourse. To accommodate the added stopping forces provided by disc brakes, the IA features thru-axles rather than traditional quick-release skewers. It’s a proven design that provides a more secure interface between the bicycle frame and the wheel, which also enhances the stiffness of the frame-and-wheel connection. We also offer a version of the IA with rim brakes for athletes who still prefer that classic feel.



The IA comes equipped with Felt’s latest top tube storage solution, the integrated CALpac 2.0. This storage unit features ample space for all of the riding essentials to which a rider needs quick and easy access. Likewise, the IA includes the BTSpac storage device, located behind the seat tube. This unit is ideal for a flat tire repair kit and/or on-the-go tool kit, or any other items that a rider doesn’t require while pedaling on the bike. It’s shape has been aerodynamically optimized for the IA, meaning that it creates no penalty in terms of aerodynamic drag.

FrameFelt IntegratedAero Disc | UHC Ultimate + TeXtreme carbon fiber
ForkFelt IntegratedAero Dagger Disc | UHC Ultimate + TeXtreme carbon fiber
HeadsetIS (IS-2)
ShiftersBaseBar: Shimano Dura-Ace Di2 R9180, TRI/TT / Extensions: Shimano Dura-Ace Di2 SW-R9160, TRI/TT
Front DerailleurShimano Dura-Ace R9150 Di2, braze-on
Rear DerailleurShimano Dura-Ace R9150 Di2, short cage
CranksetShimano Dura-Ace R9100, 52/36T
Bottom BracketCeramicSpeed BSA for Shimano Road
CassetteShimano Dura-Ace R9100, 11-28T
ChainShimano Dura-Ace HG901
Brake LeversShimano Dura-Ace R9180, TRI/TT, hydraulic
BrakesDisc, Flat Mount | Ø140mm minimum
Front Wheel454 NSW Carbon Tubeless Disc-brake
Rear Wheel858 NSW Carbon Tubeless Disc-brake, SRAM/Shimano
TiresContinental Grand Prix 5000 TL, 700x25c
StemFelt Dagger Direct | SuperLite aluminum
HandlebarBaseBar: Devox Dagger Integrated | UHC Ultimate + Nano / Extensions: Devox ƒ-Bend | carbon fiber, 3-position
SeatpostFelt AeroTRI IL 1.0 VM | UHC Advanced + TeXtreme carbon fiber
SaddleSM PS1.0 Ti
Size48, 51, 54, 56




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