Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Average stack and reach vs trend of progressive gravel bikes
Geometry
Stack | 580mm | 582mm +2mm |
Reach | 401mm | 404mm +3mm |
Stack to Reach Ratio | 1.45:1 | 1.44:1 |
Seat Tube Length, C-T | — | 560mm |
Seat Tube Length, C-TTT | 520mm | — |
Top Tube Length, Effective/Horizontal Center | — | 584mm |
Top Tube Length, Effective/Horizontal HT Top | 572mm | — |
Top Tube Slope | 6.4deg | 4.7deg -1.7deg |
Head Tube Angle | 71.5deg | 72.2deg +0.7deg |
Seat Tube Angle | 73.5deg | 72.8deg -0.7deg |
Head Tube Length | 162mm | 145mm -17mm |
Bottom Bracket Drop | 70mm | 78mm +8mm |
Bottom Bracket Height | 281mm | 278mm -3mm |
Chainstay Length | 426mm | 435mm +9mm |
Chainstay Length Max | 426mm | — |
Chainstay Length Horizontal | 420.2mm | 428mm +7.8mm |
Chainstay Length Horizontal Max | 420.2mm | — |
Front-Center | 628mm | 623mm -5mm |
Front-Center Horizontal | 624.8mm | 618.1mm -6.7mm |
Wheelbase | 1045mm | 1046mm +1mm |
Wheelbase Max | 1045mm | — |
Fork Offset/Rake | 50mm | 50mm +0mm |
Fork Length (On-Axis) | — | 400mm |
Fork Length (Axle-To-Crown) | 391mm | — |
Trail | 64.7mm mid/neutral | 61.8mm -2.9mm mid/neutral |
Mechanical Trail | 61.4mm | 58.8mm -2.6mm |
Wheel Flop | 19.5mm | 18mm -1.5mm |
Standover Height | — | 802mm |
Tire to Pedal Spindle | 104.5mm 172.5 mm cranks | 97mm -7.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 108.5mm 172.5 mm cranks | 108mm -0.5mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 45mm +5mm |
Tire Outer Diameter | 702mm | 712mm +10mm |
Bike Length with Tires | 1747mm | 1758mm +11mm |
Crank Length | 172.5mm | — |
Handlebar Width | 420mm | — |
Stem Length | 110mm | — |
Stem Angle | -2deg | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Unknown | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Unknown | Disc |
Meta
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| Source | https://www.bianchi.com/store/int_EN/ytb83-impulsopro-grx820disc2x12sp-5.html | https://mondincecycle.com/product/2025-new-designed-udh-hanger-full-carbon-fiber-gravel-bike-frame-fm296 |
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