2025 Cannondale Synapse Lab71 Carbon

	44.0	48.0	51.0	54.0	56.0	58.0	61.0
Stack	510mm	530mm	550mm	570mm	590mm	610mm	640mm
Reach	366mm	371mm	376mm	381mm	387mm	393mm	402mm
Stack to Reach Ratio	1.39:1	1.43:1	1.46:1	1.5:1	1.52:1	1.55:1	1.59:1
Seat Tube Length, C-T	407mm	407mm	443mm	480mm	520mm	550mm	590mm
Top Tube Length, Effective/Horizontal HT Top	522mm	533mm	544mm	555mm	567mm	580mm	598mm
Top Tube Length, Actual C-C	478mm	486mm	497mm	509mm	523mm	537mm	5560mm
Top Tube Slope	14deg	16deg	14deg	12deg	9.8deg	8.6deg	7.5deg
Head Tube Angle	69.8deg	70.9deg	71.3deg	71.3deg	71.3deg	71.3deg	71.3deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg	73deg	73deg
Head Tube Length	91mm	108mm	127mm	150mm	171mm	196mm	227mm
Bottom Bracket Drop	75mm	75mm	75mm	73mm	73mm	70mm	70mm
Bottom Bracket Height	268mm	268mm	268mm	270mm	270mm	273mm	273mm
Chainstay Length	425mm	425mm	425mm	425mm	430mm	430mm	430mm
Chainstay Length Horizontal	418.3mm	418.3mm	418.3mm	418.7mm	423.8mm	424.3mm	424.3mm
Front-Center	589.5mm	591.4mm	599.4mm	611.7mm	624.5mm	637.6mm	656.5mm
Front-Center Horizontal	584.7mm	586.7mm	594.7mm	607.3mm	620.2mm	633.7mm	652.7mm
Wheelbase	1003mm	1005mm	1013mm	1026mm	1044mm	1058mm	1077mm
Fork Offset/Rake	55mm	55mm	55mm	55mm	55mm	55mm	55mm
Trail	67.6mm high	60.6mm mid/neutral	58mm mid/neutral	58mm mid/neutral	58mm mid/neutral	58mm mid/neutral	58mm mid/neutral
Mechanical Trail	63.4mm	57.2mm	55mm	55mm	55mm	55mm	55mm
Wheel Flop	21.9mm	18.7mm	17.6mm	17.6mm	17.6mm	17.6mm	17.6mm
Standover Height	714mm	722mm	752mm	785mm	815mm	843mm	878mm
Tire to Pedal Spindle	76.5mm 170 mm cranks	78.4mm 170 mm cranks	86.4mm 170 mm cranks	98.7mm 170 mm cranks	111.5mm 170 mm cranks	124.6mm 170 mm cranks	143.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks

	44.0	48.0	51.0	54.0	56.0	58.0	61.0
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm	32mm	32mm	32mm	32mm	32mm
Tire Outer Diameter	686mm	686mm	686mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1689mm	1691mm	1699mm	1712mm	1730mm	1744mm	1763mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Endurance Road

Source:https://www.cannondale.com/en-eu/bikes/road/endurance/synapse-carbon/synapse-lab71-smartsense-smu

Suggest Bike Edit

2025 Cannondale Synapse Lab71 Carbon

Geometry

Lab71 Carbon Build

Stack and Reach vs. Category Trend