2020 Crust Bikes Bombora Base XS
Build
650B/27.5 in × 2.2 in
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Crust Bikes Bombora
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 540mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 456mm |
| Seat Tube Length, C-C | 408mm |
| Top Tube Length, Effective/Horizontal Center | 519.7mm |
| Top Tube Length, Effective/Horizontal Unknown | 520mm |
| Top Tube Length, Actual C-C | 502mm |
| Top Tube Slope | 11.5deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 121mm |
| Bottom Bracket Drop | 64mm |
| Bottom Bracket Height | 283.9mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420.2mm |
| Front-Center | 591.3mm |
| Front-Center Horizontal | 587.9mm |
| Wheelbase | 1008mm |
| Fork Offset/Rake | 48mm |
| Trail | 78.8mm high |
| Mechanical Trail | 73.8mm |
| Wheel Flop | 25.9mm |
| Standover Height | 747mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 73.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 113.9mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 695.8mm |
| Bike Length with Tires | 1703.8mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://crustbikes.com/products/bombora/