2020 Bombtrack Bicycle Company Hook EXT Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
S | M | L | XL | |
Stack | 544mm | 566mm | 589mm | 610mm |
Reach | 370mm | 380mm | 389mm | 399mm |
Stack to Reach Ratio | 1.47:1 | 1.49:1 | 1.51:1 | 1.53:1 |
Seat Tube Length, C-T | 510mm | 540mm | 570mm | 600mm |
Top Tube Length, Effective/Horizontal Center | 541mm | 558mm | 575mm | 592mm |
Top Tube Slope | 6.3deg | 5.4deg | 4.6deg | 3.7deg |
Head Tube Angle | 70.3deg | 71deg | 72deg | 72.5deg |
Seat Tube Angle | 72.5deg | 72.5deg | 72.5deg | 72.5deg |
Head Tube Length | 110mm | 130mm | 150mm | 170mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 272.8mm | 272.8mm | 272.8mm | 272.8mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 419.2mm | 419.2mm | 419.2mm | 419.2mm |
Front-Center | 595mm | 606mm | 612mm | 624mm |
Front-Center Horizontal | 590.8mm | 601.8mm | 608.8mm | 619.8mm |
Wheelbase | 1010mm | 1021mm | 1028mm | 1039mm |
Fork Offset/Rake | 48mm | 48mm | 48mm | 48mm |
Fork Length (Axle-To-Crown) | 397mm | 397mm | 397mm | 397mm |
Trail | 71.8mm high | 67.3mm high | 60.9mm mid/neutral | 57.8mm mid/neutral |
Mechanical Trail | 67.6mm | 63.6mm | 57.9mm | 55.1mm |
Wheel Flop | 22.8mm | 20.7mm | 17.9mm | 16.6mm |
Standover Height | 773mm | 789mm | 815mm | 840mm |
Tire to Pedal Spindle | 82.2mm 170 mm cranks | 93.2mm 170 mm cranks | 96.7mm 172.5 mm cranks | 106.2mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 102.8mm 170 mm cranks | 102.8mm 170 mm cranks | 100.3mm 172.5 mm cranks | 97.8mm 175 mm cranks |
Base Build
S | M | L | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2in | 2in | 2in | 2in |
Tire Outer Diameter | 685.6mm | 685.6mm | 685.6mm | 685.6mm |
Bike Length with Tires | 1695.6mm | 1706.6mm | 1713.6mm | 1724.6mm |
Crank Length | 170mm | 170mm | 172.5mm | 175mm |
Handlebar Width | 420mm | 420mm | 440mm | 440mm |
Stem Length | 80mm | 90mm | 100mm | 100mm |
Stem Angle | -7deg | -7deg | -7deg | -7deg |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:http://bombtrack.com/2020-hook-ext/