Felt IAX Advanced Shimano 105 12-Speed - Sage White 2025

This is the perfect race-ready rig for those who crave the simplicity of mechanical shifting in the quest for speed. Reliable. Performance-oriented. Fast.

The IAx is the updated version of our famous IA. By eliminating the frame/fork nose cone and complicated one-piece front end we provide more fit options across a wider range of athlete levels. Race-ready with the advantages of a streamlined and simplified design to make bike set-up easier and to keep things simple with overall maintenance and travel to events.

	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
(H) Standover Height	733 mm	755 mm	779 mm	803 mm	825 mm
(I) BB-Drop	72 mm	72 mm	72 mm	72 mm	72 mm
(K) Fork Offset	50 mm	50 mm	45 mm	45 mm	45 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