Bike-on-Bike
Default Config
X Small
Default Config
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Bianchi Oltre XR4
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of XMCS Aero 2026
Geometry
Stack | 490mm | 509mm +19mm |
Reach | 377mm | 373mm -4mm |
Stack to Reach Ratio | 1.3:1 | 1.36:1 |
Seat Tube Length, C-C | 420mm | — |
Seat Tube Length, Unknown | — | 480mm |
Seat Tube Length, Effective Center | 470mm | — |
Top Tube Length, Effective/Horizontal Center | 515mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 514mm |
Top Tube Length, Actual C-C | 500mm | — |
Top Tube Slope | 8.5deg | 5.3deg -3.2deg |
Head Tube Angle | 70.5deg | 71deg +0.5deg |
Seat Tube Angle | 74.5deg | 74.5deg +0deg |
Head Tube Length | 105mm | 108.7mm +3.7mm |
Bottom Bracket Drop | 58mm | 70mm +12mm |
Bottom Bracket Height | 278mm | 269mm -9mm |
Chainstay Length | 400mm | 410mm +10mm |
Chainstay Length Horizontal | 395.8mm | 404mm +8.2mm |
Front-Center | 579mm | 573mm -6mm |
Front-Center Horizontal | 576.2mm | 572mm -4.2mm |
Wheelbase | 972mm | 976mm +4mm |
Fork Offset/Rake | 43.6mm | 45mm +1.4mm |
Fork Length, Unknown | — | 370mm |
Trail | 72.7mm high | 69.1mm -3.6mm high |
Mechanical Trail | 68.6mm | 65.4mm -3.2mm |
Wheel Flop | 22.9mm | 21.3mm -1.6mm |
Tire to Pedal Spindle | 64mm 179 mm cranks | 64mm +0mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 99mm 179 mm cranks | 99mm +0mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 28mm +3mm |
Tire Outer Diameter | 672mm | 678mm +6mm |
Bike Length with Tires | 1644mm | 1654mm +10mm |
Crank Length | 179mm | — |
Handlebar Width | 400mm | — |
Stem Length | 80mm | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Rim | Disc |
Meta
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| 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/ | https://www.instagram.com/p/DRxSz9fktyz/?hl=en-gb |
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