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Who it's for

Felt IA

Triathletes and time trialists.

Felt triathlon/TT bike. Extreme aero position — compare only with other TT bikes, not FR/AR road fits.

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Stack and reach

Some tubes use estimated defaults where OEM values were missing.

Measurement	DimondLync 2026	Kestrel4000 2020	FeltIA 2022
Stackmm	510	508−2	514+4
Reachmm	415	412−3	416+1
Head tube angle°	73.0	73.0	72.5−0.5
Seat tube angle°	78.0	78.0	78.0
Chainstaymm	395	395	395
Wheelbasemm	996	992−4	994−2
BB dropmm	60	58−2	68+8
BB heightmm	—	—	—
Standovermm	—	—	—

Relaxed/Aggressiveness

Add a close match

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Cockpit for the selected size

Part	Lync M	4000 M	IA 54
Stem	100 mm	100 mm	100 mm
Bar	420 mm	420 mm	420 mm
Crank	172.5 mm	172.5 mm	172.5 mm

Reviews

Felt IA

Felt IA 16 2018 Build and ReviewYouTube · 2018
Felt IA 16 2018 Build and Review. @TriTownUSA368 likes29K views8 ... Fraser's Felt IA Advanced | GTN Presenter Pro Bike. Global Triathlon ...