2018 Crust Bikes Bombora Base S

Build

650B/27.5 in × 2.3 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
553mm
Reach
378mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, C-T
502mm
Seat Tube Length, C-C
455mm
Top Tube Length, Effective/Horizontal Center
540mm
Top Tube Length, Actual C-C
525mm
Top Tube Slope
7.4deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
132mm
Bottom Bracket Drop
64mm
Bottom Bracket Height
286.4mm
Chainstay Length
425mm
Chainstay Length Horizontal
420.2mm
Front-Center
603.3mm
Front-Center Horizontal
599.9mm
Wheelbase
1020mm
Fork Offset/Rake
48mm
Trail
76.5mm
high
Mechanical Trail
71.9mm
Wheel Flop
24.6mm
Standover Height
775mm
Tire to Pedal Spindle Distance
With 170 mm cranks
82.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
116.4mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.3in
Tire Outer Diameter
700.8mm
Bike Length with Tires
1720.8mm
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/