Models · Jamis · Ventura

Jamis Ventura All-Road (2026)

allroad · aluminium · sizes 44–61 · tyres up to 38 mm Manufacturer’s website

Geometry ?

Jamis Ventura All-Road 2026 geometry in sizes 44–61: stack 521–635 mm, reach 358–388 mm, head angle 70–73°.

	44	48	51	54	56	58	61
Stack	521 mm	538 mm	561 mm	580 mm	595 mm	615 mm	635 mm
Reach	358 mm	363 mm	368 mm	375 mm	387 mm	383 mm	388 mm
Head angle	70°	71°	71°	72°	73°	73°	73°
Seat angle	76°	75.5°	75°	74.5°	73°	73°	73°
Head tube	92 mm	106 mm	130 mm	147 mm	160 mm	183 mm	204 mm
Top tube (effective)	488 mm	502 mm	518 mm	536 mm	569 mm	571 mm	582 mm
BB drop	80 mm	80 mm	80 mm	80 mm	78 mm	76 mm	76 mm
Chainstay	427 mm	427 mm	430 mm	430 mm	430 mm	430 mm	435 mm
Wheelbase	994 mm	996 mm	1012 mm	1016 mm	1023 mm	1026 mm	1043 mm
Standover	708 mm	708 mm	767 mm	786 mm	803 mm	821 mm	838 mm
Fork offset	53 mm	53 mm	53 mm	53 mm	53 mm	53 mm	53 mm
Stock build by size
Cranks	165 mm	165 mm	170 mm	170 mm	172.5 mm	175 mm	175 mm
Stem	80 mm	80 mm	90 mm	90 mm	90 mm	100 mm	100 mm
Stem angle	−6°	−6°	−6°	−6°	−6°	−6°	−6°
Bar width	–	400 mm	400 mm	420 mm	–	440 mm	440 mm

Source: jamisbikes.com, checked 12 Nov 2026 · bar position: worked out from published data

Older model years in the archive with the same stack, reach and head angle: 2020–2021. Source: jamisbikes.com

Stock build

Ventura A1 DFW / Ventura A2 DFW / Ventura A3 …

Source: jamisbikes.com, checked 12 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size 54 (stack 580 / reach 375 mm).

Carraro Gravel G6 Pro (2026)size M · stack 580 / reach 375 mm Guava Spot (2026)size M · stack 579 / reach 375 mm Niner RLT 9 Steel (2026)size 53 · stack 579 / reach 375 mm Poseidon X Gen 3 (2026)size M · stack 579 / reach 374 mm Black Mountain Cycles La Cabra (2026)size 16" · stack 581 / reach 376 mm Mason Exposure (2026)size 54CM · stack 578 / reach 375 mm

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