	48	51	54	56	58	61
Stack	496mm	519mm	542mm	565mm	588mm	608mm
Reach	367mm	376mm	384mm	392mm	401mm	409mm
Stack to Reach Ratio	1.35:1	1.38:1	1.41:1	1.44:1	1.47:1	1.49:1
Top Tube Length, Unknown	520mm	535mm	550mm	565mm	581mm	595mm
Head Tube Angle	71deg	72deg	73deg	73.5deg	73.5deg	73.5deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg	73deg
Head Tube Length	64mm	82mm	104mm	125mm	152mm	173mm
Bottom Bracket Drop	74.5mm	74.5mm	72mm	72mm	69.5mm	69.5mm
Bottom Bracket Height	264.5mm	264.5mm	269mm	269mm	271.5mm	273.5mm
Chainstay Length Max	405mm	405mm	405mm	405mm	405mm	405mm
Chainstay Length Horizontal Max	398.1mm	398.1mm	398.6mm	398.6mm	399mm	399mm
Front-Center	579mm	580mm	581mm	588mm	604mm	617mm
Front-Center Horizontal	574.2mm	575.2mm	576.5mm	583.6mm	600mm	613.1mm
Wheelbase Max	973mm	974mm	975mm	982mm	999mm	1013mm
Fork Offset/Rake	58.5mm	52.5mm	46.5mm	43.5mm	43.5mm	43.5mm
Trail	54.9mm mid/neutral	55mm mid/neutral	55.6mm mid/neutral	55.6mm mid/neutral	55.6mm mid/neutral	56.2mm mid/neutral
Mechanical Trail	51.9mm	52.3mm	53.2mm	53.4mm	53.4mm	53.9mm
Wheel Flop	16.9mm	16.2mm	15.6mm	15.2mm	15.2mm	15.3mm
Standover Height	712mm	734mm	758mm	781mm	804mm	822mm
Tire to Pedal Spindle	70mm 170 mm cranks	71mm 170 mm cranks	70mm 170 mm cranks	77mm 170 mm cranks	93mm 170 mm cranks	104mm 170 mm cranks
Pedal Spindle to Ground Clearance	94.5mm 170 mm cranks	94.5mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	101.5mm 170 mm cranks	103.5mm 170 mm cranks

	48	51	54	56	58	61
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
Tire Width	28mm	28mm	30mm	30mm	30mm	32mm
Tire Outer Diameter	678mm	678mm	682mm	682mm	682mm	686mm

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.

Category Trend

Source:https://www.cervelo.com/en-US/bikes/s5

2026 Cervelo Cycles S-Series S5

Geometry