Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
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
TORAY T700/T800 Hi-Mod carbon, TA dropout, replaceable hanger, rack / fender mounts, 68 mm T47 shell
Suspension Fork
full carbon disc fork, TA, 1.1/2" - 1.1/8" tapered steerer, with fender / triple cage mounts
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: HUNT ADVENTURE SPORT sealed hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: HUNT ADVENTURE SPORT sealed hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle
Rear Hub
Front: HUNT ADVENTURE SPORT sealed hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: HUNT ADVENTURE SPORT sealed hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle
Rims
Front: HUNT ADVENTURE SPORT double wall asymmetric rim, TLC, i25, 28h , Rear: HUNT ADVENTURE SPORT double wall asymmetric rim, TLC, i25, 28h
Tires
Front: WTB VENTURE TCS LIGHT folding tire 27.5" x 2.0", Rear: WTB VENTURE TCS LIGHT folding tire 27.5" x 2.0"
Brakes
Brakes
SRAM RIVAL flat mount hydraulic disc brakes with 160 mm F / 140 mm R 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.42/ACB sealed integrated aheadset, 1.1/2" - 1.1/8"
Seat
Saddle
BOMBTRACK PRO saddle
Seatpost
BOMBTRACK PINE aluminum 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 | 1.43 mm | 1.48 mm | 1.53 mm | 1.55 mm | 1.57 mm |
| Front Center | 599 mm | 601 mm | 595 mm | 606 mm | 616 mm |
| Rake | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 68.8 mm | 65.6 mm | 62.4 mm | 59.2 mm | 59.2 mm |
| Stack | 544 mm | 563 mm | 574 mm | 595 mm | 612 mm |
| Reach | 381 mm | 380 mm | 376 mm | 385 mm | 389 mm |
| Top Tube Length | 530 mm | 540 mm | 550 mm | 565 mm | 580 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 490 mm | 520 mm | 540 mm | 560 mm | 580 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71.5 ° | 72 ° | 72 ° |
| Head Tube Length | 120 mm | 140 mm | 150 mm | 170 mm | 190 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1029 mm | 1032 mm | 1026 mm | 1037 mm | 1047 mm |
| Bottom Bracket Drop | 69 mm | 67 mm | 67 mm | 67 mm | 65 mm |
| Standover Height | 772 mm | 789 mm | 801 mm | 821 mm | 840 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 |
About this model
Hook EXT-C is a Bombtrack Hook model. Bombtrack launched 24 bikes of this model so far. Check out the entire range from 2020 of this model, by clicking this link.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Gravel bikes average price
If you want an acceptable Gravel bike you should know that the average price 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.
Hook EXT-C components
Fork material
When it comes to the fork, this bike has a carbon one, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels
When it comes to wheels, the Hook EXT-C bike is equipped with the aluminum model. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, they don’t perform so well when you go over bumps and obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Bombtrack Hook EXT-C is equipped with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
Hook EXT-C comes in 5 sizes, that range from 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.