The latest version of our venerable IA platform, the IAx sets a new standard for ease-of-use and dialed performance for those who crave speed.

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.

Shimano electronic shifting

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

Aero-optimized wheels

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.

Precision fit is dialed

Our aluminum stem and base bar are paired with carbon extensions to provide an easy-to-adjust set up on your front end. With fit a premium in triathlon, you'll have the options for your unique position.

Specifications Frame: Felt IAx 1.0, UHC Advanced Fork: Felt IAx 1.0, UHC Advanced Brakes: TRP HD-T910, 2-piston, Hydraulic disc brake Brake Rotors: TRP TR25, 140 mm, Center lock Rear Derailleur: Shimano Ultegra Di2, RD-R8150, Shadow, 24-S Front Derailleur: Shimano Ultegra Di2, FD-R8150 Cassette: Shimano CS-R8100, 11-30 T Chain: Shimano CN-M8100 Crankset: Shimano Ultegra, FC-R8100, 52/36 T Shift Levers: TRP HD-T910D Wheelset: Reynolds AR58/62 DB Custom, Tubeless ready Tires: Continental Grand Prix SL, 700x25 Basebar: Devox Bayonet 3.1 | SuperLite aluminum Extensions: Devox Ergomod | aluminum Saddle: ISM PS1.0, Satin Steel Seatpost: Felt Aero TRI IL 1.0 VM Permissible Total Weight: 129kg/284.39lbs Trailer Approval: No trailer approval 47 48 51 54 56 58 Rider Height 152.4 - 167.6 cm 152.4 - 167.6 cm 167.6 - 172.7 cm 172.7 - 180.3 cm 180.3 - 187.9 cm 187.9 - 195.5 cm 5’0” - 5’5” 5’0” - 5’5” 5’5” - 5’8” 5’8” - 5’11” 5’11” - 6’2” 6’2” - 6’5” Rider inseam 70.8 - 74.4 cm 70.8 - 74.4 cm 74.4 - 77.9 cm 77.9 - 83.0 cm 83.0 - 85.8 cm 85.8 - 88.9 cm Measured from crotch to floor. 27.9” - 29.3” 27.9” - 29.3” 29.3” - 30.7” 30.7” - 32.7” 32.7” - 33.8” 32.7” - 35.0”

48 51 54 56 58 (A) Top Tube Length 467 mm 490 mm 510 mm 538 mm 567 mm (B) Seat Tube Length 489 mm 512 mm 538 mm 563 mm 586 mm (C) Seat Tube Angle 79.5 ° 79 ° 78.5 ° 78 ° 77.5 ° (D) Head Tube Length 63 mm 86 mm 109 mm 134 mm 157 mm (E) Steering Angle 71.5 ° 71.5 ° 72 ° 72 ° 72 ° (G) Wheel Base 958 mm 980 mm 990 mm 1016 mm 1042 mm (I) BB-Drop 72 mm 72 mm 72 mm 72 mm 72 mm (L) Stack 473 mm 495 mm 520 mm 544 mm 566 mm (M) Reach 378 mm 392 mm 404 mm 421 mm 440 mm (O) Crank Length 165 mm 165 mm 170 mm 170 mm 172.5 mm