2021 Bianchi Oltre XR4 Base 55

Build

700C/29 in × 25 mm

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Bianchi Oltre XR4

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
541mm
Reach
390mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-C
500mm
Seat Tube Length, Effective Center
550mm
Top Tube Length, Effective/Horizontal Center
550mm
Top Tube Length, Actual C-C
540mm
Top Tube Slope
4.1deg
Head Tube Angle
72.5deg
Seat Tube Angle
73.5deg
Head Tube Length
140mm
Bottom Bracket Drop
68mm
Bottom Bracket Height
268mm
Chainstay Length
407mm
Chainstay Length Horizontal
401.3mm
Front-Center
588mm
Front-Center Horizontal
584.2mm
Wheelbase
985.5mm
Fork Offset/Rake
43mm
Trail
60.9mm
mid/​neutral
Mechanical Trail
58mm
Wheel Flop
17.5mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
79.5mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
95.5mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
25mm
Tire Outer Diameter
672mm
Bike Length with Tires
1657.5mm
Crank Length
172.5mm
Handlebar Width
420mm
Stem Length
110mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Rim
Source:https://www.bianchi.com/bike/oltre-xr4-ultegra-di2-11sp-2/, https://www.bianchi.com/wp-content/uploads/2019/12/Technical-Book-International-2019.pdf, https://www.bianchi.com/bike/oltre-xr4-ultegra-di2-11sp-2/