Felt IAx Rival AXS Triathlon Bike | Carbon, SRAM Rival AXS, Reynolds Carbon Wheels

The Felt IAx Rival AXS brings the proven aerodynamic heritage of the IA platform to a more accessible triathlon package. Built around a UHC Advanced carbon frameset, the IAx is engineered to deliver excellent aerodynamic performance, stable handling at speed, and efficient power transfer for long-course racing.

Equipped with SRAM Rival eTap AXS wireless 12-speed shifting, hydraulic disc brakes, and Reynolds AR58/62 carbon wheels, this build delivers smooth gear changes, confident braking, and fast rolling performance on race day. Integrated storage solutions such as CALpac 2.0 and the BTSpac rear box support seamless nutrition and tool organization, helping riders stay focused during long efforts.

This is a complete triathlon platform designed to offer speed, stability, and smart integration from the first ride.

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Why the Felt IAx Rival AXS Stands Out

Aerodynamic Carbon Frameset

• UHC Advanced carbon frame and fork

• Refined shaping based on the award-winning IA platform

• Stable and predictable at high speeds

• Internal cable routing for a clean and efficient setup

Wireless Drivetrain and Hydraulic Braking

• SRAM Rival eTap AXS 12-speed shifting

• Fully wireless cockpit for clean aerodynamics

• TRP HD-T910 hydraulic disc brakes with 2-piston calipers

• Smooth, controlled braking in all conditions

Reynolds Carbon Wheelset

• Reynolds AR58/62 DB carbon wheels

• Tubeless ready for improved ride quality and puncture resistance

• Fast, stable profiles ideal for triathlon and time trial use

• Continental Grand Prix SL 700x25c tires for premium road feel

Integrated Triathlon Storage

• CALpac 2.0 top tube storage for nutrition

• BTSpac rear storage for tools or hydration

• Race-focused integration without unnecessary complexity

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Product Specifications

Frameset

• Frame: Felt IAx 1.0, UHC Advanced carbon

• Fork: Felt IAx 1.0, UHC Advanced carbon

Brakes and Drivetrain

• Front Brake: TRP HD-T910 hydraulic

• Rear Brake: TRP HD-T910 hydraulic

• Rotors: TRP TR25, 140mm, CenterLock

• Front Derailleur: SRAM Rival eTap AXS

• Rear Derailleur: SRAM Rival eTap AXS, 12-speed

• Cassette: SRAM XG-1250, 11 to 30T

• Crankset: SRAM Rival DUB, 48 to 35T

Wheels and 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

• Saddle: ISM PS1.0, satin steel rails

• Seatpost: Felt Aero TRI IL 1.0 VM

Additional Information

• Integrated Storage: CALpac 2.0 top tube and BTSpac rear box

• Permissible System Weight: 129kg (rider and gear)