bike geometry

S5 2026

Name: S5 2026
Brand: Cervelo

Compare size-specific bike geometry, including reach, stack, angles, wheelbase and the measurements that influence fit and handling.

Cervelo › S5 › Standard › S5

S5 geometry measurements

Choose the recorded size and configuration. Geometry figures can change by size; RideDNA does not collapse those values into one misleading answer.

What is the reach of the S5?

Reach is the horizontal distance from the bottom bracket to the top of the head tube. Also searched as frame reach.

Configuration	Size	Reach	Source
S5 geometry	51	376.5 mm	RideDNA-derived
S5 geometry	48	368.3 mm	RideDNA-derived
S5 geometry	58	401.1 mm	RideDNA-derived
S5 geometry	61	409 mm	RideDNA-derived
S5 geometry	54	384.2 mm	RideDNA-derived
S5 geometry	56	392.3 mm	RideDNA-derived

What is the stack of the S5?

Stack is the vertical distance from the bottom bracket to the top of the head tube. Also searched as frame stack.

Configuration	Size	Stack	Source
S5 geometry	51	518.6 mm	RideDNA-derived
S5 geometry	48	496.1 mm	RideDNA-derived
S5 geometry	58	588.3 mm	RideDNA-derived
S5 geometry	61	608.5 mm	RideDNA-derived
S5 geometry	54	542.3 mm	RideDNA-derived
S5 geometry	56	564.9 mm	RideDNA-derived

What is the effective top tube of the S5?

Effective top tube is the horizontal distance between the head-tube and seat-tube centerlines. Also searched as ETT, virtual top tube, horizontal top tube.

Configuration	Size	Effective top tube	Source
S5 geometry	51	535 mm	RideDNA-derived
S5 geometry	48	520 mm	RideDNA-derived
S5 geometry	58	581 mm	RideDNA-derived
S5 geometry	61	595 mm	RideDNA-derived
S5 geometry	54	550 mm	RideDNA-derived
S5 geometry	56	565 mm	RideDNA-derived

What is the head tube angle of the S5?

Head tube angle describes the steering-axis angle relative to the ground. Also searched as HTA, head angle, steering angle.

Configuration	Size	Head tube angle	Source
S5 geometry	51	72 °	RideDNA-derived
S5 geometry	48	71 °	RideDNA-derived
S5 geometry	58	73.5 °	RideDNA-derived
S5 geometry	61	73.5 °	RideDNA-derived
S5 geometry	54	73 °	RideDNA-derived
S5 geometry	56	73.5 °	RideDNA-derived

What is the seat tube angle of the S5?

Seat tube angle describes the seat-tube angle relative to the ground. Also searched as STA, seat angle, effective seat angle.

Configuration	Size	Seat tube angle	Source
S5 geometry	51	73 °	RideDNA-derived
S5 geometry	48	73 °	RideDNA-derived
S5 geometry	58	73 °	RideDNA-derived
S5 geometry	61	73 °	RideDNA-derived
S5 geometry	54	73 °	RideDNA-derived
S5 geometry	56	73 °	RideDNA-derived

What is the wheelbase of the S5?

Wheelbase is the distance between the front and rear wheel axles. Also searched as axle-to-axle length.

Configuration	Size	Wheelbase	Source
S5 geometry	51	974 mm	RideDNA-derived
S5 geometry	48	973.5 mm	RideDNA-derived
S5 geometry	58	999.2 mm	RideDNA-derived
S5 geometry	61	1013 mm	RideDNA-derived
S5 geometry	54	975.2 mm	RideDNA-derived
S5 geometry	56	982.2 mm	RideDNA-derived

What is the chainstay length of the S5?

Chainstay length, also called rear center, is the distance from the bottom bracket to the rear axle. Also searched as Chainstay, rear center, rear centre.

Configuration	Size	Chainstay length	Source
S5 geometry	51	398.1 mm	RideDNA-derived
S5 geometry	48	398.1 mm	RideDNA-derived
S5 geometry	58	399 mm	RideDNA-derived
S5 geometry	61	399 mm	RideDNA-derived
S5 geometry	54	398.5 mm	RideDNA-derived
S5 geometry	56	398.5 mm	RideDNA-derived

What is the bottom bracket height of the S5?

Bottom bracket height is the vertical distance from the ground to the bottom bracket. Also searched as BB height.

Configuration	Size	Bottom bracket height	Source
S5 geometry	51	265.5 mm	RideDNA-derived
S5 geometry	48	265.5 mm	RideDNA-derived
S5 geometry	58	270.5 mm	RideDNA-derived
S5 geometry	61	270.5 mm	RideDNA-derived
S5 geometry	54	268 mm	RideDNA-derived
S5 geometry	56	268 mm	RideDNA-derived

What is the front center of the S5?

Front center is the distance from the bottom bracket to the front wheel axle. Also searched as front centre.

Configuration	Size	Front center	Source
S5 geometry	51	580.7 mm	RideDNA-derived
S5 geometry	48	580.2 mm	RideDNA-derived
S5 geometry	58	604.2 mm	RideDNA-derived
S5 geometry	61	617.9 mm	RideDNA-derived
S5 geometry	54	581.1 mm	RideDNA-derived
S5 geometry	56	588.1 mm	RideDNA-derived

What is the fork offset of the S5?

Fork offset is the perpendicular distance between the steering axis and the front axle. Also searched as fork rake, rake.

Configuration	Size	Fork offset	Source
S5 geometry	51	52.5 mm	RideDNA-derived
S5 geometry	48	58.5 mm	RideDNA-derived
S5 geometry	58	43.5 mm	RideDNA-derived
S5 geometry	61	43.5 mm	RideDNA-derived
S5 geometry	54	46.5 mm	RideDNA-derived
S5 geometry	56	43.5 mm	RideDNA-derived

What is the head tube length of the S5?

Head tube length is the measured length of the frame's head tube. Also searched as Head tube, head tube.

Configuration	Size	Head tube length	Source
S5 geometry	51	82 mm	RideDNA-derived
S5 geometry	48	64 mm	RideDNA-derived
S5 geometry	58	152 mm	RideDNA-derived
S5 geometry	61	173 mm	RideDNA-derived
S5 geometry	54	104 mm	RideDNA-derived
S5 geometry	56	125 mm	RideDNA-derived

What is the seat tube length of the S5?

Seat tube length is the recorded length of the frame's seat tube; measurement conventions can differ by manufacturer. Also searched as Seat tube, seat tube, frame size.

Configuration	Size	Seat tube length	Source
S5 geometry	51	510 mm	RideDNA-derived
S5 geometry	48	480 mm	RideDNA-derived
S5 geometry	58	580 mm	RideDNA-derived
S5 geometry	61	610 mm	RideDNA-derived
S5 geometry	54	540 mm	RideDNA-derived
S5 geometry	56	560 mm	RideDNA-derived

What is the standover height of the S5?

Standover height is the ground-to-top-tube height at the manufacturer's stated measurement point. Also searched as Standover, stand over height, standover clearance.

Configuration	Size	Standover height	Source
S5 geometry	51	734 mm	RideDNA-derived
S5 geometry	48	712 mm	RideDNA-derived
S5 geometry	58	804 mm	RideDNA-derived
S5 geometry	61	822 mm	RideDNA-derived
S5 geometry	54	758 mm	RideDNA-derived
S5 geometry	56	781 mm	RideDNA-derived

What is the fork length of the S5?

Fork length is the axle-to-crown distance recorded for the fork. Also searched as axle to crown, A2C.

Configuration	Size	Fork length	Source
S5 geometry	51	402 mm	RideDNA-derived
S5 geometry	48	402 mm	RideDNA-derived
S5 geometry	58	402 mm	RideDNA-derived
S5 geometry	61	402 mm	RideDNA-derived
S5 geometry	54	402 mm	RideDNA-derived
S5 geometry	56	402 mm	RideDNA-derived

What is the wheel flop of the S5?

Wheel flop is a calculated steering-geometry value based on trail and head tube angle. Also searched as flop.

Configuration	Size	Wheel flop	Source
S5 geometry	51	16.2 mm	RideDNA-derived
S5 geometry	48	17 mm	RideDNA-derived
S5 geometry	58	15.1 mm	RideDNA-derived
S5 geometry	61	15.1 mm	RideDNA-derived
S5 geometry	54	15.5 mm	RideDNA-derived
S5 geometry	56	15.1 mm	RideDNA-derived

Geometry

Available sizes: 51, 48, 58, 61, 54, 56.

S5 geometry

Jump to size: 48 · 51 · 54 · 56 · 58 · 61

S5 geometry geometry by size
Size	Reach	Stack	ETT	HTA	STA	Trail	Wheelbase	Chainstay	BB drop	BB height	Front center	Fork offset	Head tube	Seat tube	Standover	Fork length	Wheel flop	Max tire
48	368.3 mm	496.1 mm	520 mm	71 °	73 °	—	973.5 mm	398.1 mm	—	265.5 mm	580.2 mm	58.5 mm	64 mm	480 mm	712 mm	402 mm	17 mm	—
51	376.5 mm	518.6 mm	535 mm	72 °	73 °	—	974 mm	398.1 mm	—	265.5 mm	580.7 mm	52.5 mm	82 mm	510 mm	734 mm	402 mm	16.2 mm	—
54	384.2 mm	542.3 mm	550 mm	73 °	73 °	—	975.2 mm	398.5 mm	—	268 mm	581.1 mm	46.5 mm	104 mm	540 mm	758 mm	402 mm	15.5 mm	—
56	392.3 mm	564.9 mm	565 mm	73.5 °	73 °	—	982.2 mm	398.5 mm	—	268 mm	588.1 mm	43.5 mm	125 mm	560 mm	781 mm	402 mm	15.1 mm	—
58	401.1 mm	588.3 mm	581 mm	73.5 °	73 °	—	999.2 mm	399 mm	—	270.5 mm	604.2 mm	43.5 mm	152 mm	580 mm	804 mm	402 mm	15.1 mm	—
61	409 mm	608.5 mm	595 mm	73.5 °	73 °	—	1013 mm	399 mm	—	270.5 mm	617.9 mm	43.5 mm	173 mm	610 mm	822 mm	402 mm	15.1 mm	—

Length measurements are in millimeters; HTA and STA are in degrees. ETT means effective top tube.

Size-to-size changes

Differences are calculated from the recorded values; they are not fit recommendations.

S5 geometry: 48 → 51 — Reach +8.2 mm, Stack +22.5 mm, ETT +15 mm, HTA +1 °, STA +0 °, Wheelbase +0.5 mm, Chainstay +0 mm, BB height +0 mm, Front center +0.5 mm, Fork offset -6 mm, Head tube +18 mm, Seat tube +30 mm, Standover +22 mm, Fork length +0 mm, Wheel flop -0.8 mm
S5 geometry: 51 → 54 — Reach +7.7 mm, Stack +23.7 mm, ETT +15 mm, HTA +1 °, STA +0 °, Wheelbase +1.2 mm, Chainstay +0.4 mm, BB height +2.5 mm, Front center +0.4 mm, Fork offset -6 mm, Head tube +22 mm, Seat tube +30 mm, Standover +24 mm, Fork length +0 mm, Wheel flop -0.7 mm
S5 geometry: 54 → 56 — Reach +8.1 mm, Stack +22.6 mm, ETT +15 mm, HTA +0.5 °, STA +0 °, Wheelbase +7 mm, Chainstay +0 mm, BB height +0 mm, Front center +7 mm, Fork offset -3 mm, Head tube +21 mm, Seat tube +20 mm, Standover +23 mm, Fork length +0 mm, Wheel flop -0.4 mm
S5 geometry: 56 → 58 — Reach +8.8 mm, Stack +23.4 mm, ETT +16 mm, HTA +0 °, STA +0 °, Wheelbase +17 mm, Chainstay +0.5 mm, BB height +2.5 mm, Front center +16.1 mm, Fork offset +0 mm, Head tube +27 mm, Seat tube +20 mm, Standover +23 mm, Fork length +0 mm, Wheel flop +0 mm
S5 geometry: 58 → 61 — Reach +7.9 mm, Stack +20.2 mm, ETT +14 mm, HTA +0 °, STA +0 °, Wheelbase +13.8 mm, Chainstay +0 mm, BB height +0 mm, Front center +13.7 mm, Fork offset +0 mm, Head tube +21 mm, Seat tube +30 mm, Standover +18 mm, Fork length +0 mm, Wheel flop +0 mm

RideDNA-derived values

These deterministic calculations use the recorded manufacturer inputs above. They are separate from manufacturer facts and are not fit recommendations.

S5 geometry size 51 stack Reach Ratio: 1.38
S5 geometry size 48 stack Reach Ratio: 1.35
S5 geometry size 58 stack Reach Ratio: 1.47
S5 geometry size 61 stack Reach Ratio: 1.49
S5 geometry size 54 stack Reach Ratio: 1.41
S5 geometry size 56 stack Reach Ratio: 1.44