3T Extrema ITALIA / ITALIA_X (2026)

gravel · carbon · sizes S–XL You choose the cockpit Manufacturer’s website

Good to know: Configurable build

Configurable build (at least partly: the cockpit or bar width, for example). The stock build below is only one of the options.

Geometry ?

3T Extrema ITALIA / ITALIA_X 2026 geometry in sizes S–XL: stack 547–610 mm, reach 358–384 mm, head angle 69.1–72°.

	S	M	L	XL
Stack	547 mm	570 mm	590 mm	610 mm
Reach	358 mm	368 mm	376 mm	384 mm
Head angle	69.1°	70.5°	71.5°	72°
Seat angle	73.5°	73.5°	73.5°	73.5°
Seat tube (c-t)	466 mm	491 mm	521 mm	549 mm
Head tube	142 mm	158 mm	175 mm	196 mm
Top tube (effective)	529 mm	547 mm	561 mm	575 mm
BB drop	79 mm	76 mm	76 mm	74 mm
Chainstay	437 mm	437 mm	437 mm	437 mm
Wheelbase	1044 mm	1036 mm	1040 mm	1050 mm
Fork length	387 mm	387 mm	387 mm	387 mm
Stock build by size
Cranks Extrema ITALIA GRX Di2 1x12	170 mm	170 mm	172.5 mm	172.5 mm
Cranks Extrema ITALIA Rival E1 / GX Eagle Transmission 1x12	165 mm	170 mm	172.5 mm	172.5 mm
Stem	80 mm	90 mm	100 mm	110 mm
Bar width	400 mm	400 mm	420 mm	420 mm
Seatpost setback	0 mm	0 mm	0 mm	0 mm

Source: 3t.bike, checked 1 Nov 2026 · bar position: worked out from published data

Stock build

Extrema ITALIA GRX Di2 1x12 €7,538

Extrema ITALIA Rival E1 / GX Eagle Transmission 1x12 €7,538

Extrema ITALIA Force XPLR 1x13 €7,835

Options when ordering (manufacturer’s default in bold):

Size	Stem	Bar width	Cranks
all	80, 90, 100, 110, 120 mm	380, 400, 420 mm	170, 172.5, 175 mm

Source for all builds: 3t.bike, checked 1 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size L (stack 590 / reach 376 mm).

Spotted a mistake or a missing build? Let me know.