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Hook EXT-C 2021/22

The darling of the Bombtrack fleet - the Hook EXT-C rocketship.

Massively capable on 650b fat treads, while impressively light and nimble on the technical stuff. Here in glamorous metallic green.

The Hook EXT-C this year gets a new frame and fork, along with tweaks to the geometry, and full-carbon EXT V2 fork with triple cage mounts. With a revised build-kit, SRAM now provides the bike’s XD cassette with a huge 10-42t gear range, while Hunt supply the tubeless-ready Adventure Sport 650b wheelset. Wrapped in great looking tan-wall WTB Venture tyres, this agile adventure bike is the perfect companion on technical backcountry raids.

Features
  • Full carbon frame with tapered head tube, through axles, fender mounts, stealth dropper post routing and T47 bottom
  • New Carbon frame design for more chain ring clearance.
  • Full carbon tapered fork with internal light cable routing, through axles and triple cage mounts.
  • Now with SRAM XG-1150 10 – 42t cassette for wider 1x
  • Bombtrack Lyer 30 mm alloy crank with 38t direct mount
  • Hydraulic Sram Rival 1x11 groupset and brakes.
  • Tubeless ready Hunt Adventure Sport 27.5’’ wheelset with tubeless ready WTB Venture 27.5’’ x 2.0’’ tires.
  • Top tube bag direct mounts, triple cage mount on down tube and seat tube for optimized bottle position, bottle cage mounts underneath the down tube
Spec
  • Frame TORAY T700 / T800 Hi-Mod carbon, TA,rack / fender mounts,68 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 integrated 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 rotors
  • Crankset BOMBTRACK LYER forged aluminium crank, direct mount interface (SRAM compatible), 30 mm spindle
  • BB BOMBTRACK T47 external 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, 38 T
  • Cassette SRAM XG-1150 11-speed, 10 - 42 T
  • Front derailleur -
  • Rear derailleur SRAM RIVAL 1, clutch, long cage
  • Front hub HUNT ADVENTURE SPORT sealed hub, 6-bolt disc, 12 x 100 mm thru-axle
  • Rear hub HUNT ADVENTURE SPORT sealed hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle, XD cassette body
  • Front rim HUNT ADVENTURE SPORT double wall asymmetric rim, TLC, i25, 28h
  • Rear rim HUNT ADVENTURE SPORT double wall asymmetric rim, TLC, i25, 28h
  • Saddle BOMBTRACK COMP saddle
  • Seat post BOMBTRACK YEW 27.2 mm x 300 mm
  • Seat clamp BOMBTRACK PRIME 31.8 mm
  • Front tire WTB VENTURE TCS LIGHT 27.5'' x 2.0'', tubeless ready
  • Rear tire WTB VENTURE TCS LIGHT 27.5'' x 2.0'', tubeless ready
  • Fender -
  • Rack -
  • Light -
  • Weight (size M) 9.4 kg (size M)
  • Maximum rider weight 115 kg incl. luggage
2022 Availability

We have the core models in stock now, but in small quantitiesContact us for more information.

Sizing

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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