the Hook EXT

Matt Forest Green

the Hook EXT is the choice when you’re unsure of the terrain, or know you want to cut loose

"More efficient than a mountain bike, more rugged than the typical gravel bike, the Hook EXT is spectacular fun. Bombtrack has somehow created a bike this is both nimble and playful as well as stable and a safe pair of hands on quick descents. It spans genres, while managing to be really damn good at each, rather than the classic “Jack of all trades”. "

Introducing the Hook EXT

Smaller wheels, bigger tyres, rowdier personality. The burly Hook EXT is made for the most extreme drop bar adventures. A classic case of "if it ain't broke – don't fix it!". Besides adding a wider, more durable T47 bottom bracket we've revised the cable routing to keep the bike looking clean with any combination of derailleurs and dropper posts. Besides this, the bike retains the same gorgeous matt metallic grey paint scheme and awesome parts list that’s made it a pin-up for many gravel nerds. 

Highlights

  • Full carbon tapered fork with internal light cable routing, through axles and triple cage mounts.
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  • Columbus Cromor frame with tapered head tube, through axles, rack and fender mounts and T47 bottom bracket. 
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  • New rear dropout. Same hanger as on the Beyond+. 
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  • New Bombtrack Lyer 30 mm alloy crank with 40t direct mount chainring. 
  • Hydraulic Sram Rival 1x11 groupset and brakes with 11 - 42t cassette. 
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  • Tubeless ready WTB ST Light i23 front rim, i21 rear rim with tubeless ready WTB Ranger Light / Fast Rolling 27.5’’ x 2.0’’ tires. 
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  • 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.

 

 

  • FRAMESET

    WHEEL SIZE 27.5''
    COLOR 1 Matt Forest Green
    COLOR 2 -
    FRAME COLUMBUS CROMOR double butted tubing, TA dropout, replaceable hanger, rack / fender mounts, 86.5 mm T47 shell
    FORK full carbon disc fork, TA, 1.1/2'' - 1.1/8'' tapered steerer, with fender / triple cage mounts, internal hub dynamo cable routing
    HEADSET FSA NO.21/12B/44 sealed external aheadset, 1.1/2'' - 1.1/8''
    BB T47 sealed BB for 30 mm spindle

     

  • SPECIFICATION

    HANDLEBAR BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
    GRIPS BOMBTRACK ESCAPE bar tape
    STEM BOMBTRACK ROAM forged aluminum stem, -7°
    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 aluminum crank, direct mount interface, 30 mm spindle
    PEDALS -
    CHAIN KMC X11 chain, 1/2'' x 11/128'', 114L
    CHAINRING CNC machined aluminum, narrow-wide, 40 T, 1/2'' x 11/128''
    CASSETTE SRAM PG-1130 11-speed cassette, 11 - 42 T
    FRONT DERAILLEUR -
    REAR DERAILLEUR SRAM RIVAL 1 rear derailleur, clutch, long cage
    FRONT HUB BOMBTRACK ORIGIN sealed disc hub, 12 x 100 mm thru-axle
    REAR HUB BOMBTRACK ORIGIN sealed disc hub, 11-speed, 12 x 142 mm thru-axle
    FRONT RIM WTB ST Light i23 double wall, TCS 2.0, 32h
    REAR RIM WTB ST Light i21 double wall, TCS 2.0, 32h
    SADDLE BOMBTRACK COMP saddle
    SEAT POST BOMBTRACK PINE aluminum seatpost, 27.2 mm x 300 mm
    SEAT CLAMP BOMBTRACK ORIGIN forged aluminum seat clamp, 29.8 mm
    FRONT TIRE WTB RANGER TCS LIGHT folding tire 27.5'' x 2.0''
    REAR TIRE WTB RANGER TCS LIGHT folding tire 27.5'' x 2.0''
    FENDERS -
    RACK -
    LIGHTS -
    WEIGHT (size M) 11
     
  • GEOMETRY

    Bike Size S M L XL
    Seat Tube Length (C-T, mm) 510 540 570 600
    Horizontal TT length (mm) 541 558 575 592
    Seat Angle (°) 72.5 72.5 72.5 72.5
    Head Angle (°) 70.3 71 72 72.5
    Headtube Length (mm) 110 130 150 170
    BB Drop (mm) 70 70 70 70
    Chainstay Length (mm) 425 425 425 425
    Fork Offset (mm) 48 48 48 48
    Trail (mm) 72.1 67.3 61 57.8
    Wheelbase Length (mm) 1010 1021 1028 1039
    Standover (mm, center tt - ground) 773 789 815 840
    Reach (mm) 370 380 389 399
    Stack (mm) 544 566 589 610
    Front Center (mm) 595 606 612 624
    Axle to Crown (mm) 397 397 397 397

     

  • EXTRA INFO

    Bike Size S M L XL
    Stem Length (mm) 80 90 100 100
    BB Standard T47 - 86.5 mm shell width
    Headset Standard (S.H.I.S.) EC34 / 28.6 | EC44 / 40
    Fork Max Tire Clearance 650B x 52C / 700C x 45C
    Frame Max Tire Clearance 650B x 52C / 700C x 40C
    Headset Spacers 1 x 10 mm, 2 x 5 mm
    Seat Post Length (mm) 300
    Crankarm (mm) 170 170 172.5 175
    Seat Post Diameter (mm) 27.2
    Handlebar (mm, drop center-center) 420 420 440 440
    Reach (mm) 75
    Flare 10°
    Drop (mm) 116

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