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.
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, 11-42T
Crank
BOMBTRACK LYER forged aluminium crank, direct mount interface(SRAM compatible), 30 mm spindle, CNC machined aluminium, narrow-wide, 40T
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
Front: BOMBTRACK TAU sealed disc hub, 6-bolt disc, Rear: BOMBTRACK TAU sealed disc hub, 11-speed, 6-bolt disc
Rear Hub
Front: BOMBTRACK TAU sealed disc hub, 6-bolt disc, Rear: BOMBTRACK TAU sealed disc hub, 11-speed, 6-bolt disc
Rims
Front: WTB ST Light i25 double wall, TCS 2.0, 32h, Rear: WTB ST Light i23 double wall, TCS 2.0, 32h
Tires
Front: WTB RANGER TCS LIGHT / FAST ROLLING 27.5" x 2.0", tubeless ready, Rear: 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 COMP 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 | 1.53 mm | 1.54 mm | 1.53 mm | 1.55 mm | 1.54 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 |
| Reach | 357 mm | 366 mm | 379 mm | 388 mm | 401 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. Bombtrack launched 24 bikes of this model so far. Take a sneak peek at all Bombtrack Hook bikes models from 2021, by clicking here.
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.
Gravel bikes average price
According to our math, the average price for a trustworthy Gravel bike is 2462$. However, you could also get a good Gravel bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Gravel bikes average weight
The average weight for Gravel bikes is 8.13 kg (17.92 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
With a weight of 11.2 kg (24.69 lbs), Bombtrack bike is much heavier than average. In other words, this model is 37.76% heavier than the average Gravel bike.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Hook EXT components
Fork material
The fork on this bike is made out of carbon, so, it won’t add up to much weight to your bike. However, the price you have to pay for a carbon fork is considerably higher.
Wheels
The Hook EXT 2021 bike is equipped with aluminum wheels when leaving the factory. 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
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, these are ideal for anyone.
Sizes
Bombtrack Hook EXT bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, finding one for you shouldn’t be a problem.