2021 Bombtrack Bicycle Company Hook EXT-C Complete XL
Build
650B/27.5 in × 47 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bombtrack Bicycle Company Hook EXT-C
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 610mm |
| Reach | 394mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 580mm |
| Top Tube Length, Effective/Horizontal Center | 580mm |
| Top Tube Slope | 5.6deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 190mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 272mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 624mm |
| Front-Center Horizontal | 620.2mm |
| Wheelbase | 1050mm |
| Fork Offset/Rake | 48mm |
| Fork Length (Axle-To-Crown) | 398mm |
| Trail | 59.7mm mid/neutral |
| Mechanical Trail | 56.8mm |
| Wheel Flop | 17.5mm |
| Standover Height | 937mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 110mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 97mm |
Complete Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1728mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Stem Length | 100mm |
| 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/