Bombtrack – Hook EXT // 2020

2.499,90

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.

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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

SPECS

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

GEO

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