2021 BiViBIKES Bunker Graveller 55cm
Build
700C/29 in × 42 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 558mm |
| Reach | 395mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-C | 480mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 62mm |
| Bottom Bracket Height | 291mm |
| Chainstay Length | 444mm |
| Chainstay Length Horizontal | 439.7mm |
| Front-Center | 650.3mm |
| Front-Center Horizontal | 647.4mm |
| Wheelbase | 1087mm |
| Fork Offset/Rake | 50mm |
| Trail | 65.4mm high |
| Mechanical Trail | 62mm |
| Wheel Flop | 19.7mm |
| Standover Height | 760mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 127.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 121mm |
Graveller Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1793mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://bivibikes.com/ , https://www.bikeradar.com/reviews/bikes/mountain-bikes/bivi-bunker-review/