2024 Bombtrack Bicycle Company Hook EXT Base XL
Build
650B/27.5 in × 50 mm
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 | 631mm |
| Reach | 403mm |
| Stack to Reach Ratio | 1.57:1 |
| Seat Tube Length, Unknown | 600mm |
| Top Tube Slope | 5.7deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 66mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 419.8mm |
| Front-Center | 652mm |
| Front-Center Horizontal | 648.2mm |
| Wheelbase | 1068mm |
| Fork Offset/Rake | 53mm |
| Trail | 58.5mm mid/neutral |
| Mechanical Trail | 55.5mm |
| Wheel Flop | 17.6mm |
| Standover Height | 857mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 140mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 106mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 684mm |
| Bike Length with Tires | 1752mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.bombtrack.com/my24/complete-bikes/hook-ext