2017 Bombtrack Bicycle Company Hook EXT Base S

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
544mm
Reach
370mm
Stack to Reach Ratio
1.47:1
Seat Tube Length, C-T
510mm
Top Tube Length, Effective/Horizontal HT Top
541mm
Top Tube Slope
6.3deg
Head Tube Angle
70.3deg
Seat Tube Angle
72.5deg
Head Tube Length
110mm
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
592mm
Front-Center Horizontal
587.8mm
Wheelbase
1007mm
Wheelbase Max
1007mm
Fork Offset/Rake
45.3mm
Trail
72.6mm
high
Mechanical Trail
68.3mm
Wheel Flop
23mm
Standover Height
765mm
Tire to Pedal Spindle Distance
With 170 mm cranks
85mm
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
1681mm
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