2021 Bombtrack Bicycle Company Hook Base S

Build

650B/27.5 in × 42 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bombtrack Bicycle Company Hook

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
534mm
Reach
369mm
Stack to Reach Ratio
1.45:1
Seat Tube Length, C-T
490mm
Top Tube Length, Effective/Horizontal HT Top
522mm
Top Tube Slope
7.1deg
Head Tube Angle
71.5deg
Seat Tube Angle
74deg
Head Tube Length
110mm
Bottom Bracket Drop
57mm
Bottom Bracket Height
277mm
Chainstay Length
410mm
Chainstay Length Horizontal
406mm
Front-Center
582mm
Front-Center Horizontal
579mm
Wheelbase
985mm
Fork Offset/Rake
48mm
Fork Length (Axle-To-Crown)
395mm
Trail
61.1mm
mid/​neutral
Mechanical Trail
58mm
Wheel Flop
18.4mm
Standover Height
751mm
Tire to Pedal Spindle Distance
With 170 mm cranks
78mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
107mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
42mm
Tire Outer Diameter
668mm
Bike Length with Tires
1653mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://bombtrack.com/2021-hook/