Bianchi Infinito CV Dama Ultegra

A race-focused road bike from 2018, made in 4 sizes from 47cm to 55cm.

Size

Stack 537 mmReach 373 mm

Geometry

Bianchi Infinito CV Dama Ultegra geometry by frame size
Size
Fit
Stack (mm)How high the front sits	519	537	551	567
Reach (mm)How far forward the bars start	368	373	375	381
Stack ÷ reach Higher = more upright	1.41	1.44	1.47	1.49
Top tube (effective) (mm)Horizontal top-tube length	515	525	535	550
Seat tube angle Saddle position over the pedals	74.5°	74.5°	74°	73.5°
Seat tube length (mm)Frame size reference	440	470	500	520
Head tube length (mm)Front-end height	125	140	155	170
Handling
Head tube angle Steeper = quicker steering	70.5°	71.5°	71.5°	72°
Fork offset (mm)Fork rake	42	42	43	42
Trail (mm)More = steadier steering	75	69	68	66
Wheelbase (mm)Longer = more stable	975	977	985	992
Chainstay (mm)Shorter = snappier	408	408	409	410
BB drop (mm)More = lower centre of gravity	68	68	68	68
BB height (mm)Pedal clearance in corners	268	268	268	268
Front centre (mm)Room for your toes	577	579	586	592

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 50cm is lower and longer than 51% of the 218 road frames we track.

The closest road frames from other ranges, against size 50cm here.

Bikes with a similar fit, compared with size 50cm of this bike
Bike	Size	Stack	Reach
Basso Astra2026Stack +2 mm, reach −2 mm	48	+2 mm	−2 mm
Cube Attain Pro2026Stack +1 mm, reach +5 mm	50	+1 mm	+5 mm
Basso Venta R2026Stack −3 mm, reach −1 mm	48	−3 mm	−1 mm
Wilier Rapida2024Stack +1 mm, reach +5 mm	S	+1 mm	+5 mm
Giant Contend 12022Stack +4 mm, reach +2 mm	S	+4 mm	+2 mm
Giant Defy Advanced 02026Stack +4 mm, reach +2 mm	S	+4 mm	+2 mm

These builds share this exact geometry, so they fit the same.