Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Wheels 650b -
Groupset Rival 1 -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
COLUMBUS CROMOR double butted tubing, TA dropout, replaceable hanger, rack / fender mounts, 86.5 mm T47 shell
Suspension Fork
EXT V2 full carbon disc fork, TA, 1.1/2" - 1.1/8" tapered steerer, with fender / triple cage mounts, internal hub dynamo cable routing
Drivetrain
Rear Derailleur
SRAM RIVAL 1 rear derailleur, clutch, long cage
Front Derailleur
-
Shift Levers
SRAM RIVAL 1 double tap 1 x 11
Cassette
SRAM PG-1130 11-speed cassette, 11-42T
Crank
BOMBTRACK LYER forged aluminum crank, direct mount interface, 30 mm spindle, CNC machined aluminum, narrow-wide, 40T, 1/2" x 11/128"
Bottom Bracket
T47 sealed BB for 30 mm spindle
Chain
KMC X11 chain, 1/2" x 11/128", 114L
Pedals
-
Wheels
Front Hub
Front: BOMBTRACK ORIGIN sealed disc hub, 12 x 100 mm thru-axle, Rear: BOMBTRACK ORIGIN sealed disc hub, 11-speed, 12 x 142 mm thru-axle
Rear Hub
Front: BOMBTRACK ORIGIN sealed disc hub, 12 x 100 mm thru-axle, Rear: BOMBTRACK ORIGIN sealed disc hub, 11-speed, 12 x 142 mm thru-axle
Rims
Front: WTB ST Light i23 double wall, TCS 2.0, 32h, Rear: WTB ST Light i21 double wall, TCS 2.0, 32h
Tires
Front: WTB RANGER TCS LIGHT folding tire 27.5" x 2.0", Rear: WTB RANGER TCS LIGHT folding tire 27.5" x 2.0"
Brakes
Brakes
SRAM RIVAL flat mount hydraulic disc brakes with 160 mm rotors
Cockpit
Stem
BOMBTRACK ROAM forged aluminum stem, -7°
Handlebar
BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
Grips
BOMBTRACK ESCAPE bar tape
Headset
FSA NO.21/12B/44 sealed external aheadset, 1.1/2" - 1.1/8"
Seat
Saddle
BOMBTRACK COMP saddle
Seatpost
BOMBTRACK PINE aluminum seatpost, 27.2 mm x 300 mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.48 mm | 1.5 mm | 1.53 mm | 1.54 mm |
| Front Center | 595 mm | 606 mm | 612 mm | 624 mm |
| Rake | 48 mm | 48 mm | 48 mm | 48 mm |
| Trail | 72.1 mm | 67.3 mm | 61 mm | 57.8 mm |
| Stack | 535 mm | 557 mm | 580 mm | 601 mm |
| Reach | 361 mm | 371 mm | 380 mm | 390 mm |
| Top Tube Length | 532 mm | 549 mm | 566 mm | 583 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 510 mm | 540 mm | 570 mm | 600 mm |
| Head Tube Angle | 70.3 ° | 71 ° | 72 ° | 72.5 ° |
| Head Tube Length | 110 mm | 130 mm | 150 mm | 170 mm |
| Chainstay Length | 416 mm | 416 mm | 416 mm | 416 mm |
| Wheelbase | 1001 mm | 1012 mm | 1019 mm | 1030 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 764 mm | 780 mm | 806 mm | 831 mm |
| Wheels | 650 | 650 | 650 | 650 |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Hook EXT completes the Bombtrack Hook model. There are 24 bikes that carry this model name. You can get a glimpse at all models from 2020, by clicking on this link.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Gravel bikes
If you want to purchase a solid Gravel bike, it is important to know that the average cost is 2462$. However, you could also get a good Gravel bike even if you pay a lower amount than the average price. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Hook EXT components
Fork material
The fork on this bike is made out of carbon, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels size
The Hook EXT 2020 bike is equipped with aluminum wheels when leaving the factory. After 700c wheels, 650b is the second most popular choice for road bikes. However, they don’t perform so well when you go over bumps and obstacles.
Brakes
When you want to stop the bike in time, the brakes are vital. The Hook EXT has Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, you can easily find one that suits you.