2006 Bianchi Giro Base

Geometry

44
49
51
53
55
57
59
61
63
Seat Tube Length, C-T
440mm
460mm
480mm
500mm
520mm
540mm
560mm
580mm
600mm
Top Tube Length, Effective/Horizontal Unknown
513mm
523mm
527mm
535mm
550mm
560mm
575mm
585mm
595mm
Top Tube Length, Actual C-C
498mm
509mm
515mm
523mm
538mm
548mm
562mm
572mm
582mm
Head Tube Angle
72deg
72deg
72deg
72deg
72.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Seat Tube Angle
74.5deg
74.5deg
74.5deg
74deg
73.5deg
73.5deg
73deg
72.5deg
72.5deg
Bottom Bracket Height
—
—
—
—
—
—
—
—
—
Chainstay Length
399mm
399mm
403mm
405mm
406mm
406mm
408mm
409mm
409mm
Wheelbase
969mm
975mm
978mm
981mm
984mm
987mm
997mm
1002mm
1012mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
Trail
63.3mm
mid/​neutral
63.3mm
mid/​neutral
63.3mm
mid/​neutral
63.3mm
mid/​neutral
60.2mm
mid/​neutral
54.1mm
mid/​neutral
54.1mm
mid/​neutral
54.1mm
mid/​neutral
54.1mm
mid/​neutral
Mechanical Trail
60.2mm
60.2mm
60.2mm
60.2mm
57.4mm
51.9mm
51.9mm
51.9mm
51.9mm
Wheel Flop
18.6mm
18.6mm
18.6mm
18.6mm
17.3mm
14.7mm
14.7mm
14.7mm
14.7mm
Standover Height
685.8mm
749.3mm
762mm
774.7mm
787.4mm
812.8mm
838.2mm
850.9mm
863.6mm

Base Build

44
49
51
53
55
57
59
61
63
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
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
23mm
23mm
23mm
23mm
23mm
23mm
23mm
23mm
23mm
Tire Outer Diameter
668mm
668mm
668mm
668mm
668mm
668mm
668mm
668mm
668mm
Bike Length with Tires
1637mm
1643mm
1646mm
1649mm
1652mm
1655mm
1665mm
1670mm
1680mm
Source:https://www.bianchiusa.com/archives/2006/road/giro/