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2021 Bombtrack

Hook EXT

A steel frame gravel bike with upper mid-range components and sram rival hydraulic disc brakes.
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Weight24.7 lbs  
FrameSteel
SuspensionRigid
ForkCarbon
Wheels650b Aluminum
Drivetrain1 × 11
GroupsetRival
BrakesSRAM Rival Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Hook EXT
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

30 mph

Hook EXT

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews

Summary

The Bombtrack Hook is a versatile gravel bike praised for its ability to handle both pavement and off-road adventures with ease. Its design caters to a wide range of riding styles, offering comfort, efficiency, and durability. The bike's geometry and build quality receive high marks for providing a stable yet nimble ride.

Pros
  • Versatile for on & off-road adventure riding

  • Comfortable and efficient handlebar setup

  • Extensive tire clearance and mounting options

  • Great ride quality from steel frame and carbon fork

  • Confidence-inspiring handling and poise

Cons
  • Not a lightweight

  • Gearing might feel 'spinny' on roads with slick tyres

  • Faces tough competition in price range

Key Quotes
'I liked that it was a well-rounded bike suited to the mix of pavement and gravel I was targeting.'
BIKEPACKING.com
The Bombtrack Hook EXT Ti just hopes to be the gravel bike you buy now, and never stop riding.
Bikerumor logoBikerumor
It’s like a cyclocross bike on steroids!
off.road.cc logooff.road.cc

Feedback?

View all reviews

BIKEPACKING.com
Samer and his Panamerican Bombtrack Hook EXT

Aug 2022 · Cass Gilbert

In our latest Rider and Rig, we catch up with Samer Abouhamad on his way down to Patagonia aboard his streamlined Bombtrack EXT...

Read Review

off.road.cc
Bombtrack Hook EXT review

Oct 2021

With a large tyre clearance and plenty of mounts, the Bombtrack Hook EXT is a hugely versatile machine. It manages to offer an impressively fun and nimble approach to the tracks and trails regardless of whether you are riding it loaded up for an adventure or smashing it around stripped back. It’s like a cyclocross bike on steroids! Range overview: Bombtrack Bicycle Co.

Read Review

Bikerumor
2021 Bombtrack Hook EXT Ti gravel bike extends your adventure in timeless titanium

Oct 2020 · Cory Benson

Bombtrack's Hook gravel family grows again, now with a new on & off-road versatile, adventure & bikepacking-ready Hook EXT Ti in titanium...

Read Review

Gran Fondo Magazine
Bombtrack Hook 2 in bikepacking review

Oct 2020 · Benjamin Topf

Hardly any other German brand has made such a name for itself in the international bikepacking scene as Bombtrack. The Hook 2 combines features from numerous disciplines, including a big portion of bikepacking DNA. Is that enough to hold its own against the competition?

Highs
  • Value for money

  • Composure

  • Riding position

  • Bombproof!

  • Cable routing

Lows
  • 140 mm rear brake rotor is too small

  • 40 t chainring is too big

  • No XD freewheel

Read Review

Geometry
Specs
Build
Frame

COLUMBUS CROMOR double butted tubing, TA,rack / fender mounts, internal light cable routing, rear light mount, 86.5 mm T47 BB shell

BB StandardT47, Threaded

Fork

Full carbon, TA, 1.1/2" - 1.1/8", triple cage mounts (can double as fender mounts), internal hub dynamo cable routing

Bottom Bracket

BOMBTRACK T47 internal sealed BB for 30 mm spindle

Headset

Sealed external aheadset, 1.1/2" - 1.1/8"

Stem

BOMBTRACK ROAM forged aluminium stem, -7°

Handlebar

BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare

Saddle

BOMBTRACK COMP saddle

Seatpost

BOMBTRACK YEW aluminium seatpost, 27.2 mm x 300 mm

TypeRigid

Pedals

-

Grips

BOMBTRACK ESCAPE bar tape

Groupset
Rear Derailleur

SRAM RIVAL 1, clutch, long cage

Front Derailleur

-

Crank

BOMBTRACK LYER forged aluminium crank, direct mount interface(SRAM compatible), 30 mm spindle, CNC machined aluminium, narrow-wide, 40T

Shifters

SRAM RIVAL 1 double tap 1 x 11

Cassette

SRAM PG-1130 11-speed, 11-42T

Chain

KMC X11 EPT Anti Rust chain, 1/2" x 11/128", 114L

Brakes

SRAM RIVAL flat mount hydraulic disc brakes with 160 mm rotors

TypeSRAM Rival Hydraulic Disc

Wheels
Rims

Front: WTB ST Light i25 double wall, TCS 2.0, 32h, Rear: WTB ST Light i23 double wall, TCS 2.0, 32h

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

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

Accessories
Lights

-

Fenders

-

Racks

-

Rider Notes
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First added November 6

Last updated January 7

Not listed for 1,968 days