2026 Bombtrack Bicycle Company Hook EXT Flat Bar
- Category
- All-road/Gravel
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 554mm | 573mm | 589mm | 608mm | 627mm |
Reach | 365mm | 374mm | 387mm | 396mm | 409mm |
Stack to Reach Ratio | 1.52:1 | 1.53:1 | 1.52:1 | 1.54:1 | 1.53:1 |
Seat Tube Length, C-T | 460mm | 500mm | 530mm | 570mm | 600mm |
Top Tube Length, Effective/Horizontal HT Top | 519mm | 533mm | 556mm | 570mm | 595mm |
Top Tube Slope | 12.8deg | 10.2deg | 8.5deg | 6.2deg | 5deg |
Head Tube Angle | 71.5deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74deg | 74deg | 74deg |
Head Tube Length | 110mm | 130mm | 150mm | 170mm | 190mm |
Bottom Bracket Drop | 75mm | 75mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 267.8mm | 267.8mm | 272.8mm | 272.8mm | 272.8mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 418.3mm | 418.3mm | 419.2mm | 419.2mm | 419.2mm |
Front-Center | 581mm | 596mm | 610mm | 625mm | 645mm |
Front-Center Horizontal | 576.7mm | 591.7mm | 605.8mm | 620.8mm | 640.8mm |
Wheelbase | 995mm | 1010mm | 1025mm | 1040mm | 1060mm |
Fork Offset/Rake | 48mm | 48mm | 48mm | 48mm | 48mm |
Fork Length (Axle-To-Crown) | 395mm | 395mm | 395mm | 395mm | 395mm |
Trail | 64.1mm mid/neutral | 64.1mm mid/neutral | 60.9mm mid/neutral | 60.9mm mid/neutral | 60.9mm mid/neutral |
Mechanical Trail | 60.8mm | 60.8mm | 57.9mm | 57.9mm | 57.9mm |
Wheel Flop | 19.3mm | 19.3mm | 17.9mm | 17.9mm | 17.9mm |
Standover Height | 748mm | 776mm | 803mm | 831mm | 855mm |
Tire to Pedal Spindle | 73.2mm 165 mm cranks | 83.2mm 170 mm cranks | 97.2mm 170 mm cranks | 107.2mm 175 mm cranks | 127.2mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 102.8mm 165 mm cranks | 97.8mm 170 mm cranks | 102.8mm 170 mm cranks | 97.8mm 175 mm cranks | 97.8mm 175 mm cranks |
Flat Bar Build
XS | 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 | 650B/27.5 in 584 mm BSD |
Tire Width | 2in | 2in | 2in | 2in | 2in |
Tire Width Max | 52mm | 52mm | 52mm | 52mm | 52mm |
Tire Outer Diameter | 685.6mm | 685.6mm | 685.6mm | 685.6mm | 685.6mm |
Bike Length with Tires | 1680.6mm | 1695.6mm | 1710.6mm | 1725.6mm | 1745.6mm |
Crank Length | 165mm | 170mm | 170mm | 175mm | 175mm |
Stem Length | 80mm | 80mm | 90mm | 100mm | 100mm |
Stem Angle | -7deg | -7deg | -7deg | -7deg | -7deg |
Published Sizing Recommendations
Height | 150 cm to 161 cm | 160 cm to 171 cm | 170 cm to 181 cm | 179 cm to 190 cm | 188 cm to 199 cm |
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:https://www.bombtrack.com/my25/complete-bikes/hook-ext-sx-eagle