Bianchi Specialissima 2025 geometry

Size chart for fitting. If this bike already feels right, find others with a similar riding position (size 47). Category: road-race.

Size	Stack	Reach	Head tube angle	Seat tube angle	Chainstay	Wheelbase	BB drop
47	505 mm	368 mm	70.5°	74.5°	406 mm	972 mm	72 mm
50	520 mm	374 mm	71.5°	74.0°	406 mm	978 mm	72 mm
53	540 mm	380 mm	72.0°	73.5°	406 mm	986 mm	72 mm
55	556 mm	385 mm	72.5°	73.2°	406 mm	992 mm	70 mm
57	575 mm	391 mm	73.0°	73.0°	406 mm	1002 mm	70 mm
59	594 mm	397 mm	73.0°	72.8°	406 mm	1014 mm	68 mm
61	613 mm	403 mm	73.3°	72.5°	406 mm	1024 mm	68 mm

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Size guidance

Stack and reach describe the frame's cockpit envelope better than traditional seat-tube sizing. If you know your preferred stack/reach from a bike that already fits, search within a few millimeters first, then check head angle and chainstay for handling feel. See the glossary for stack, reach, and HTA.