2020 Crust Bikes Bombora Base Large

Build

650B/27.5 in × 2.2 in

Insights

Average stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
599mm
Reach
395mm
Stack to Reach Ratio
1.52:1
Seat Tube Length, C-T
574mm
Seat Tube Length, C-C
529mm
Top Tube Length, Effective/Horizontal Center
580.4mm
Top Tube Length, Effective/Horizontal Unknown
580mm
Top Tube Length, Actual C-C
569mm
Top Tube Slope
4.3deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
177mm
Bottom Bracket Drop
64mm
Bottom Bracket Height
283.9mm
Chainstay Length
425mm
Chainstay Length Horizontal
420.2mm
Front-Center
626.1mm
Front-Center Horizontal
622.9mm
Wheelbase
1043mm
Fork Offset/Rake
48mm
Trail
69mm
high
Mechanical Trail
65.3mm
Wheel Flop
21.3mm
Standover Height
832mm
Tire to Pedal Spindle Distance
With 170 mm cranks
108.3mm
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
1738.8mm
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/