Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Groupset Rival 1 -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
COLUMBUS CROMOR double butted tubing, TA, rack / fender mounts, internal light cable routing, rear light mount, 86.5 mm T47 BB shell
Suspension Fork
Full carbon, TA, 1.1/2'' - 1.1/8'', triple cage mounts (can double as fender mounts),internal hub dynamo cable routing
Drivetrain
Rear Derailleur
SRAM RIVAL 1, clutch, long cage
Front Derailleur
-
Shift Levers
SRAM RIVAL 1 double tap 1 x 11
Cassette
SRAM PG-1130 11-speed, 11 - 42 T
Crank
BOMBTRACK LYER forged aluminium crank, direct mount interface, (SRAM compatible),30 mm spindle
Bottom Bracket
BOMBTRACK T47 internal sealed BB for 30 mm spindle
Chain
KMC X11 EPT Anti Rust chain, 1/2'' x 11/128'', 114L
Pedals
-
Wheels
Front Hub
BOMBTRACK TAU sealed hub, 6-bolt disc
Rear Hub
BOMBTRACK TAU sealed hub, 11-speed, 6-bolt disc
Rims
WTB ST Light i25 double wall, TCS 2.0, 32h
Tires
WTB RANGER TCS LIGHT / FAST ROLLING 27.5'' x 2.0'', tubeless ready
Brakes
Brakes
SRAM RIVAL flat mount hydraulic disc brakes with 160 mm rotors
Cockpit
Stem
BOMBTRACK ROAM forged aluminium stem, -7°
Handlebar
BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
Grips
BOMBTRACK ESCAPE bar tape
Headset
Sealed external aheadset, 1.1/2'' - 1.1/8''
Seat
Saddle
BOMBTRACK DART saddle
Seatpost
BOMBTRACK YEW aluminium seatpost, 27.2 mm x 300 mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 7.387 mm | 7.64 mm | 7.853 mm | 8.107 mm | 8.36 mm |
| Front Center | 581 mm | 596 mm | 610 mm | 625 mm | 645 mm |
| Rake | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm |
| Trail | 65 mm | 65 mm | 62 mm | 62 mm | 62 mm |
| Stack | 546 mm | 565 mm | 581 mm | 600 mm | 619 mm |
| Top Tube Length | 511 mm | 525 mm | 548 mm | 562 mm | 587 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 460 mm | 500 mm | 530 mm | 570 mm | 600 mm |
| Head Tube Angle | 71.5 ° | 71.5 ° | 72 ° | 72 ° | 72 ° |
| Head Tube Length | 110 mm | 130 mm | 150 mm | 170 mm | 190 mm |
| Chainstay Length | 417 mm | 417 mm | 417 mm | 417 mm | 417 mm |
| Wheelbase | 987 mm | 1002 mm | 1017 mm | 1032 mm | 1052 mm |
| Bottom Bracket Drop | 75 mm | 75 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 740 mm | 768 mm | 795 mm | 823 mm | 847 mm |
| Wheels | 650 | 650 | 650 | 650 | 650 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
HOOK EXT belongs to the Bombtrack Hook model. There are 24 bikes that carry this model name. Check out the entire range from 2022 of this model, by clicking this link.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Gravel bikes
According to our calculations, the average cost of a Gravel bike that is reliable is 2462$. However, even though the average price of a Gravel bike is lower, you might still be able to get a top-quality bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Gravel bikes average weight
The average weight for Gravel bikes is 8.13 kg (17.92 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
With a weight of 11.2 kg (24.69 lbs), Bombtrack bike is much heavier than average. In short, the average Gravel bike weight is 37.76% lower than this one.
Internal Cable Routing
Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.
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 wheels on HOOK EXT are the aluminum type. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, if you want higher speeds, you should look for a bike with 700c wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The HOOK EXT comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
HOOK EXT comes in 5 sizes, that range from 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, it won’t be difficult to find the right one for you.