2021 Bianchi Oltre XR4 Base 61
Build
700C/29 in × 25 mm
Insights
Average 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 | 595mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-C | 560mm |
| Seat Tube Length, Effective Center | 610mm |
| Top Tube Length, Effective/Horizontal Center | 585mm |
| Top Tube Length, Actual C-C | 575mm |
| Top Tube Slope | 3.5deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 195mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 411mm |
| Chainstay Length Horizontal | 405.3mm |
| Front-Center | 607mm |
| Front-Center Horizontal | 603.7mm |
| Wheelbase | 1009mm |
| Fork Offset/Rake | 41.6mm |
| Trail | 59.2mm mid/neutral |
| Mechanical Trail | 56.6mm |
| Wheel Flop | 16.6mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 96mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 93mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1681mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Stem Length | 130mm |
| 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/