2021 Bombtrack Bicycle Company Hook EXT Base M
Build
700C/29 in × 2 in
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bombtrack Bicycle Company Hook EXT
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 589mm |
| Reach | 387mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 530mm |
| Top Tube Length, Effective/Horizontal HT Top | 556mm |
| Top Tube Slope | 8.5deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 291.8mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.2mm |
| Front-Center | 610mm |
| Front-Center Horizontal | 605.8mm |
| Wheelbase | 1025mm |
| Fork Offset/Rake | 48mm |
| Fork Length (Axle-To-Crown) | 398mm |
| Trail | 67.1mm high |
| Mechanical Trail | 63.8mm |
| Wheel Flop | 19.7mm |
| Standover Height | 803mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 78.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 121.8mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 723.6mm |
| Bike Length with Tires | 1748.6mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 90mm |
| Stem Angle | -7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 170 cm to 181 cm |
Source:https://bombtrack.com/2021-hook-ext/