2024 Bombtrack Bicycle Company Hook EXT-C Complete
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat aggressive stack and reachvs category | Average stack and reachvs category |
Geometry
XS | S | M | S | S | L | M | M | XL | L | L | |
Stack | 537mm | 558mm | 568mm | 564mm | 577mm | 591mm | 583mm | 595mm | 610mm | 602mm | 614mm |
Reach | 371mm | 375mm | 376mm | 384mm | 381mm | 384mm | 396mm | 396mm | 394mm | 407mm | 404mm |
Stack to Reach Ratio | 1.45:1 | 1.49:1 | 1.51:1 | 1.47:1 | 1.51:1 | 1.54:1 | 1.47:1 | 1.5:1 | 1.55:1 | 1.48:1 | 1.52:1 |
Seat Tube Length, C-T | — | — | — | — | 500mm | — | — | 530mm | — | — | 570mm |
Seat Tube Length, Unknown | 490mm | 520mm | 540mm | 500mm | — | 560mm | 530mm | — | 580mm | 570mm | — |
Top Tube Length, Effective/Horizontal Center | — | — | — | — | 541mm | — | — | 566mm | — | — | 578mm |
Top Tube Length, Effective/Horizontal HT Top | 520mm | 535mm | 550mm | — | — | 565mm | — | — | 580mm | — | — |
Top Tube Length, Effective/Horizontal Unknown | — | — | — | 541mm | — | — | 563mm | — | — | 580mm | — |
Top Tube Slope | 7.4deg | 6.4deg | 5.5deg | 9deg | 10.5deg | 5.8deg | 7.7deg | 9deg | 5.6deg | 5.5deg | 6.7deg |
Head Tube Angle | 70.5deg | 71deg | 71.5deg | 70.5deg | 70.5deg | 72deg | 70.5deg | 70.5deg | 72deg | 70.5deg | 70.5deg |
Seat Tube Angle | 74.5deg | 74deg | 73deg | 74.5deg | 74.5deg | 73deg | 74deg | 74deg | 73deg | 74deg | 74deg |
Head Tube Length | 120mm | 140mm | 150mm | 130mm | 130mm | 170mm | 150mm | 150mm | 190mm | 170mm | 170mm |
Bottom Bracket Drop | 67mm | 67mm | 67mm | 72mm | 72mm | 67mm | 72mm | 72mm | 67mm | 72mm | 72mm |
Bottom Bracket Height | 275.8mm | 275.8mm | 275.8mm | 279mm | 281mm | 275.8mm | 279mm | 281mm | 275.8mm | 279mm | 281mm |
Chainstay Length | 435mm | 435mm | 435mm | 425mm | 425mm | 435mm | 429mm | 429mm | 435mm | 434mm | 434mm |
Chainstay Length Horizontal | 429.8mm | 429.8mm | 429.8mm | 418.9mm | 418.9mm | 429.8mm | 422.9mm | 422.9mm | 429.8mm | 428mm | 428mm |
Front-Center | 592mm | 599mm | 601mm | 619mm | 620mm | 609mm | 637mm | 641mm | 624mm | 655mm | 656mm |
Front-Center Horizontal | 588.2mm | 595.2mm | 595.2mm | 615.1mm | 616.1mm | 605.2mm | 633.1mm | 637.1mm | 620.2mm | 651mm | 652mm |
Wheelbase | 1018mm | 1025mm | 1025mm | 1034mm | 1035mm | 1035mm | 1056mm | 1060mm | 1050mm | 1079mm | 1080mm |
Fork Offset/Rake | 48mm | 48mm | 48mm | 53mm | 53mm | 48mm | 53mm | 53mm | 48mm | 53mm | 53mm |
Fork Length (Axle-To-Crown) | 398mm | 398mm | 398mm | 410mm | 410mm | 398mm | 410mm | 410mm | 398mm | 410mm | 410mm |
Trail | 70.5mm high | 67.3mm high | 64.1mm mid/​neutral | 68.1mm high | 68.8mm high | 60.9mm mid/​neutral | 68.1mm high | 68.8mm high | 60.9mm mid/​neutral | 68.1mm high | 68.8mm high |
Mechanical Trail | 66.4mm | 63.6mm | 60.8mm | 64.2mm | 64.8mm | 57.9mm | 64.2mm | 64.8mm | 57.9mm | 64.2mm | 64.8mm |
Wheel Flop | 22.2mm | 20.7mm | 19.3mm | 21.4mm | 21.6mm | 17.9mm | 21.4mm | 21.6mm | 17.9mm | 21.4mm | 21.6mm |
Standover Height | 759mm | 783mm | 798mm | 773mm | 793mm | 818mm | 805mm | 816mm | 837mm | 822mm | 845mm |
Tire to Pedal Spindle | 84.2mm 165 mm cranks | 86.2mm 170 mm cranks | 88.2mm 170 mm cranks | 98mm 170 mm cranks | 97mm 170 mm cranks | 91.2mm 175 mm cranks | 116mm 170 mm cranks | 118mm 170 mm cranks | 106.2mm 175 mm cranks | 134mm 170 mm cranks | 130.5mm 172.5 mm cranks |
Pedal Spindle to Ground Clearance | 110.8mm 165 mm cranks | 105.8mm 170 mm cranks | 105.8mm 170 mm cranks | 109mm 170 mm cranks | 111mm 170 mm cranks | 100.8mm 175 mm cranks | 109mm 170 mm cranks | 111mm 170 mm cranks | 100.8mm 175 mm cranks | 109mm 170 mm cranks | 108.5mm 172.5 mm cranks |
Complete Build
XS | S | M | S | S | L | M | M | XL | L | L | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2in | 2in | 2in | 40mm | 42mm | 2in | 40mm | 42mm | 2in | 40mm | 42mm |
Tire Width Max | 52mm | 52mm | 52mm | — | 45mm | 52mm | — | 45mm | 52mm | — | 45mm |
Tire Outer Diameter | 685.6mm | 685.6mm | 685.6mm | 702mm | 706mm | 685.6mm | 702mm | 706mm | 685.6mm | 702mm | 706mm |
Bike Length with Tires | 1703.6mm | 1710.6mm | 1710.6mm | 1736mm | 1741mm | 1720.6mm | 1758mm | 1766mm | 1735.6mm | 1781mm | 1786mm |
Crank Length | 165mm | 170mm | 170mm | — | 170mm | 175mm | — | 170mm | 175mm | — | 172.5mm |
Handlebar Width | 400mm | 420mm | 420mm | — | 420mm | 440mm | — | 420mm | 440mm | — | 440mm |
Stem Length | 80mm | 80mm | 80mm | — | 80mm | 80mm | — | 90mm | 80mm | — | 100mm |
Stem Angle | -7deg | -7deg | -7deg | — | — | -7deg | — | — | -7deg | — | — |
Published Sizing Recommendations
Height | — | — | — | — | 163 cm to 173 cm | — | — | 171 cm to 181 cm | — | — | 179 cm to 188 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/complete-bikes/hook-ext-c, https://www.bombtrack.com/my24/complete-bikes/hook-ext-c