2017 Bombtrack Bicycle Company Hook EXT Base S
Build
650B/27.5 in × 45 mm
Insights
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