Felt IAx Advanced Triathlon Bike, 105 Di2, Astral

SKU: 

9010654086726

$3,999.95 $5,999.00
by Felt
Variant

Felt IAx Advanced 105 Di2 Triathlon Bike

The Felt IAx Advanced 105 Di2 is built for athletes who want the aerodynamic advantage of the proven IA platform in a simplified, travel-friendly design. The IAx retains the speed-focused shaping and race-ready geometry of the original IA, now paired with a conventional fork and cockpit for easier fit adjustments, setup, and maintenance.

Constructed from UHC Advanced carbon fiber with TeXtreme reinforcement, the frame delivers efficient power transfer, stable handling in crosswinds, and long-course comfort. Shimano’s 105 Di2 electronic drivetrain provides crisp, consistent 2x12 shifting, while TRP hydraulic disc brakes ensure confident control in all conditions. Reynolds AR58/62 carbon wheels and Continental GP SL tires complete the aerodynamic package.

Integrated CALpac and BTSpac storage add practical convenience for fueling and tools without disrupting airflow, making the IAx a strong choice for both training and racing.

Key Features

  • Aerodynamic design refined through CFD modeling and wind-tunnel testing

  • Shimano 105 Di2 2x12 electronic shifting for smooth gearing

  • TRP hydraulic disc brakes with 140 mm rotors for controlled stopping

  • UHC Advanced + TeXtreme carbon frame for stiffness and stability

  • Reynolds AR58/62 tubeless-ready carbon wheels for race-level performance

  • Integrated CALpac 2.0 top-tube and BTSpac rear storage

  • Continental Grand Prix SL tires for fast rolling and dependable grip

  • Travel-friendly fork and cockpit for easier setup and adjustability

Specifications

Frameset

  • Frame: Felt IAx 1.0, UHC Advanced carbon fiber

  • Fork: Felt Integrated Aero Disc 1.0, UHC Advanced + TeXtreme carbon fiber

Drivetrain & Brakes

  • Shifters: TRP HD-T910D

  • Front Derailleur: Shimano 105 Di2 FD-R7150

  • Rear Derailleur: Shimano 105 Di2 RD-R7150

  • Crankset: Shimano 105 FC-R7100, 50/34T

  • Cassette: Shimano 105 CS-R7100, 11-30T

  • Chain: Shimano CN-M8100

  • Brakes: TRP HD-T910 hydraulic disc

  • Rotors: TRP TR25, 140 mm, CenterLock

Wheels & Tires

  • Wheelset: Reynolds AR58/62 DB Custom Carbon, tubeless-ready

  • Tires: Continental Grand Prix SL, 700x25c

Cockpit

  • Basebar: Devox Bayonet 3.1, SuperLite aluminum

  • Extensions: Devox Ergomod aluminum

  • Seatpost: Felt Aero TRI IL 1.0 VM

  • Saddle: ISM PS1.0, Satin Steel rails

Storage

  • Top Tube: CALpac 2.0

  • Rear Storage: BTSpac

Other

  • Pedals: Not included

  • Professional Assembly: Recommended for optimal setup and performance