Cannondale Synapse Carbon Tiagra

An all-round road bike from 2022, made in 6 sizes from 48 to 61.

Size

Stack 570 mmReach 382 mm

Geometry

Cannondale Synapse Carbon Tiagra geometry by frame size
Size
Fit
Stack (mm)How high the front sits	530	550	570	590	610	640
Reach (mm)How far forward the bars start	371	377	382	386	393	402
Stack ÷ reach Higher = more upright	1.43	1.46	1.49	1.53	1.55	1.59
Top tube (effective) (mm)Horizontal top-tube length	517	531	547	561	579	604
Seat tube angle Saddle position over the pedals	74.6°	74.3°	73.9°	73.5°	73°	72.5°
Seat tube length (mm)Frame size reference	407	443	480	520	550	590
Head tube length (mm)Front-end height	122	137	161	173	197	229
Standover (mm)Clearance when you stop	712	742	773	804	833	868
Handling
Head tube angle Steeper = quicker steering	70.8°	71.7°	71.7°	73°	73°	73°
Fork offset (mm)Fork rake	60	55	55	45	45	45
Trail (mm)More = steadier steering	56	56	56	58	58	58
Wheelbase (mm)Longer = more stable	996	994	1008	995	1009	1028
Chainstay (mm)Shorter = snappier	410	410	410	410	410	410
BB drop (mm)More = lower centre of gravity	75	75	73	73	70	70
BB height (mm)Pedal clearance in corners	261	261	263	263	266	266
Front centre (mm)Room for your toes	598	596	609	596	609	627

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

Between race and comfort. A good fit for sportives, club rides and fast days out.

Size 54 is more upright than 72% of the 218 road frames we track.

The closest road frames from other ranges, against size 54 here.

Bikes with a similar fit, compared with size 54 of this bike
Bike	Size	Stack	Reach
Bianchi Infinito XE 105 Di22025Stack −1 mm, reach −1 mm	55	−1 mm	−1 mm
Bmc Roadmachine TWO2026Stack same, reach +1 mm	54	same	+1 mm
Canyon Endurace:ONfly CF 82025Stack −2 mm, reach +3 mm	S	−2 mm	+3 mm
Basso Venta R2026Stack +1 mm, reach −1 mm	53	+1 mm	−1 mm
Grind Grit2026Stack +1 mm, reach −4 mm	M	+1 mm	−4 mm
Giant Contend AR 12026Stack +4 mm, reach −2 mm	M	+4 mm	−2 mm