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Hook EXT Black

The Bombtrack Hook EXT is a go-anywhere gravel slayer. More capable than most with its high volume tyres, it has a steel frame, carbon fork, and 650bwheels that let it go where other drop handlebar bikes can't. When paired with Sram's 1 x 11 Rival group, this bike has the gearing and stopping power to handle the most demanding riding conditions. 

This is a great choice when you're unsure of the terrain but know you want to have fun riding it — Bombtrack Hook EXT is the way to go.

  • Columbus Cromor double-butted frame with rear light mount.
  • Full carbon tapered fork with internal light cable routing, through axles and triple cage mounts.
  • Hydraulic Sram Rival 1 x 11 groupset and brakes.
  • Bombtrack Lyer 30 mm aluminium crank with 40 T direct mount chainring.
  • Bombtrack Tau 12 mm through axle hubs.
  • KMC X11 EPT Anti Rust Chain.
  • Wide rims for improved tire performance.
  • Toptube bag direct mounts, triple cage mount on downtube and seat tube for optimized bottle position, bottle cage mounts underneath the downtube and rear rack mounts.
  • Frame COLUMBUS CROMOR double butted tubing, TA, rack/fender mounts, internal light cable routing, rear light mount, 86.5 mm T47 BB shell
  • Fork Full carbon, TA, 1.1/2” – 1.1/8”, fender / triple cage mounts, internal hub dynamo cable routing
  • Handlebar BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
  • Grips BOMBTRACK ESCAPE bar tape
  • Stem BOMBTRACK ROAM forged aluminium stem, -7°
  • Headset Sealed external aheadset, 1.1/2” – 1.1/8”
  • Levers SRAM RIVAL 1 double tap hydraulic
  • Shifter SRAM RIVAL 1 double tap 1 x 11
  • Brakes SRAM RIVAL flat mount hydraulic disc brakes with 160 mm rotors
  • Crankset BOMBTRACK LYER forged aluminium crank, direct mount interface (SRAM compatible), 30 mm spindle
  • BB BOMBTRACK T47 internal sealed BB for 30 mm spindle
  • Pedals
  • Chain KMC X11 EPT Anti Rust chain, 1/2” x 11/128”, 114L
  • Chainring CNC machined aluminium, narrow-wide, 40 T
  • Cassette SRAM PG-1130 11-speed cassette, 11 – 42 T
  • Front derailleur
  • Rear derailleur SRAM RIVAL 1, clutch, long cage
  • Front hub BOMBTRACK TAU sealed disc hub, 12 x 100 mm thru-axle
  • Rear hub BOMBTRACK TAU sealed disc hub, 11-speed, 12 x 142 mm thru-axle
  • Front rim WTB ST Light i25 double wall, TCS 2.0, 32h
  • Rear rim WTB ST Light i23 double wall, TCS 2.0, 32h
  • Saddle BOMBTRACK COMP saddle
  • Seat post BOMBTRACK YEW aluminium seatpost, 27.2 mm x 300 mm
  • Seat clamp BOMBTRACK ORIGIN forged aluminium seat clamp, 29.8 mm
  • Front tire WTB RANGER TCS LIGHT / FAST ROLLING 27.5” x 2.0”, tubeless ready
  • Rear tire WTB RANGER TCS LIGHT / FAST ROLLING 27.5” x 2.0”, tubeless ready
  • Weight 11.2 kg (size M)
  • Maximum rider weight 130 kg incl. luggage

View the Bombtrack Sizing Recommendations, to help with choosing your correct size.

About Us

Good Rotations is an independent online bikepacking and adventure cycling store.

If you are looking for a complete brevet or expedition setup, advice on gear, or help with finding the right bikepacking bag or dynamo system, we're here to assist.

Get in touch: hello@goodrotations.co

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