2017 Bombtrack Bicycle Company Hook EXT Base M

Build

650B/27.5 in × 45 mm

Insights

Average stack and reach vs trend of touring bikes
Design deviates from other sizes of Bombtrack Bicycle Company Hook EXT

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
566mm
Reach
380mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, C-T
540mm
Top Tube Length, Effective/Horizontal HT Top
558mm
Top Tube Slope
5.4deg
Head Tube Angle
71deg
Seat Tube Angle
72.5deg
Head Tube Length
131mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
267mm
Chainstay Length
425mm
Chainstay Length Max
425mm
Chainstay Length Horizontal
419.2mm
Chainstay Length Horizontal Max
419.2mm
Front-Center
608.8mm
Front-Center Horizontal
604.8mm
Wheelbase
1024mm
Wheelbase Max
1024mm
Fork Offset/Rake
51.1mm
Trail
62mm
mid/​neutral
Mechanical Trail
58.6mm
Wheel Flop
19.1mm
Standover Height
790mm
Tire to Pedal Spindle Distance
With 170 mm cranks
101.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
97mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
45mm
Tire Outer Diameter
674mm
Bike Length with Tires
1698mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc
Source:Bike Counterculture Geometry Database