2021 Bombtrack Bicycle Company Hook EXT-C Complete S
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 558mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal Center | 535mm |
| Top Tube Slope | 6.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 272mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 599mm |
| Front-Center Horizontal | 595.2mm |
| Wheelbase | 1025mm |
| Fork Offset/Rake | 48mm |
| Fork Length (Axle-To-Crown) | 398mm |
| Trail | 66mm high |
| Mechanical Trail | 62.4mm |
| Wheel Flop | 20.3mm |
| Standover Height | 783mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 90mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 102mm |
Complete Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1703mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://bombtrack.com/2021-hook-ext-c/