Cervelo S5

A race-focused road bike from 2026, made in 6 sizes from 48 to 61. Fits tyres up to 34 mm.

Size

Stack 542 mmReach 384 mm

Geometry

Cervelo S5 geometry by frame size
Size
Fit
Stack (mm)How high the front sits	496	519	542	565	588	608
Reach (mm)How far forward the bars start	367	376	384	392	401	409
Stack ÷ reach Higher = more upright	1.35	1.38	1.41	1.44	1.47	1.49
Top tube (effective) (mm)Horizontal top-tube length	520	535	550	565	581	595
Seat tube angle Saddle position over the pedals	73°	73°	73°	73°	73°	73°
Head tube length (mm)Front-end height	64	82	104	125	152	173
Standover (mm)Clearance when you stop	712	734	758	781	804	822
Handling
Head tube angle Steeper = quicker steering	71°	72°	73°	73.5°	73.5°	73.5°
Fork offset (mm)Fork rake	59	53	47	44	44	44
Trail (mm)More = steadier steering	56	56	56	56	56	56
Wheelbase (mm)Longer = more stable	973	974	975	982	999	1013
Chainstay (mm)Shorter = snappier	405	405	405	405	405	405
BB drop (mm)More = lower centre of gravity	75	75	72	72	70	70
BB height (mm)Pedal clearance in corners	262	262	264	264	267	267
Front centre (mm)Room for your toes	579	580	581	588	604	617

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

A low, stretched position built for speed. Suits flexible riders who like to ride fast.

Size 54 is lower and longer than 67% 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
Specialized S-Works Tarmac SL8 LTD - Red Bull TdF2026Stack +2 mm, reach same	54	+2 mm	same
Trek Émonda ALR 52026Stack −1 mm, reach +2 mm	54	−1 mm	+2 mm
Cervelo R52026Stack +3 mm, reach −1 mm	54	+3 mm	−1 mm
Grind ARC2026Stack same, reach same	M	same	same
Trek Madone SL 5 Gen 82027Stack +4 mm, reach same	MD	+4 mm	same
Giant Propel Advanced 12026Stack +3 mm, reach +4 mm	M	+3 mm	+4 mm