Models · Cannondale · Synapse

Cannondale Synapse Alloy (2026)

endurance road · aluminium · sizes 44–61 Manufacturer’s website

Geometry ?

Cannondale Synapse Alloy 2026 geometry in sizes 44–61: stack 510–640 mm, reach 365–402 mm, head angle 70.2–72°.

	44	48	51	54	56	58	61
Stack	510 mm	530 mm	550 mm	570 mm	590 mm	610 mm	640 mm
Reach	365 mm	371 mm	376 mm	381 mm	387 mm	393 mm	402 mm
Head angle	70.2°	70.8°	71°	71.9°	72°	72°	72°
Seat angle	73°	73°	73°	73°	73°	73°	73°
Seat tube (c-t)	400 mm	422 mm	443 mm	480 mm	520 mm	550 mm	590 mm
Head tube	96 mm	115 mm	140 mm	160 mm	181 mm	205 mm	236 mm
Top tube (effective)	521 mm	533 mm	544 mm	555 mm	567 mm	580 mm	598 mm
BB drop	80 mm	80 mm	75 mm	73 mm	73 mm	70 mm	70 mm
Chainstay	415 mm	415 mm	415 mm	415 mm	415 mm	415 mm	415 mm
Wheelbase	985 mm	993 mm	1006 mm	1010 mm	1021 mm	1035 mm	1054 mm
Standover	681 mm	702 mm	723 mm	753 mm	784 mm	811 mm	845 mm
Fork offset	55 mm	55 mm	55 mm	55 mm	55 mm	55 mm	55 mm

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

An older model year in the archive with the same stack, reach and head angle: 2024. Source: bikeradar.com

Stock build

I don’t have the build for each size yet.

Frames with similar geometry

Stack and reach within 12 mm of size 54 (stack 570 / reach 381 mm).

Cannondale Synapse Carbon (2025)size 54 · stack 570 / reach 381 mm Moots Vamoots CRD (2026)size 54 · stack 570 / reach 380 mm Conor Volcano (2026)size MD · stack 571 / reach 381 mm Obed Rvr (2026)size M · stack 570 / reach 380 mm Origine Axxome RS (2026)size L · stack 569 / reach 381 mm Pride Jet Rocket (2025)size M · stack 571 / reach 381 mm

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

Are you the manufacturer, or do you sell this bike? I’m missing 9 values for this model’s stem and bars. Add them