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Introducing the Hook

A capable steel frame, light carbon fork, and mid-width 700C tyres render the Hook fast and versatile. Fitted with Shimano’s latest GRX groupset, a double crankset provides close-ratios but a wide range. Letting you keep the tempo high on gravel or unpaved roads, it can be loaded up in an infinite number of ways. Dotted with fixing points, including direct mounts for a top tube bag, triple cage mounts, plus rack and fender mounts, it’s happy to carry whatever you need. Alternatively, leave it stripped-back and free to fly. New for 2021, size-matched 650B or 700C wheels now standardise the bike’s geometry across all sizes.

MAIN FEATURES
- Size XS and S will come with 650B wheels to ensure proper fit without any compromises in geometry.
- Columbus Cromor double butted frame with 86.5 mm wide T47 bottom bracket to increase tire clearance.
- Full carbon tapered fork with triple cage mounts.
- Hydraulic Shimano GRX 400 2 x10 groupset.
- KMC X10 EPT Anti Rust Chain.
- Bombtrack Tau 12 mm through axle hubs.
- Toptube bag direct mounts, triple cage mount on down tube and seat tube for optimized bottle position, bottle cage mounts underneath the downtube and rear rack mounts.

SPECIFICATION
Color 1 Glossy Metallic Blue
Color 2 -
Frame COLUMBUS CROMOR double butted, TA dropout,rack / fender mounts, 86.5 mm T47 BB shell
Fork Full carbon, TA, 1.1/2'' - 1.1/8'', fender / triple cage mounts
Handlebar BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
Grips BOMBTRACK COMMAND bar tape
Stem BOMBTRACK ROAM forged aluminium stem, -7°
Headset Sealed external aheadset, 1.1/2'' - 1.1/8''
Levers SHIMANO GRX ST-RX400 STI Hydraulic
Shifter SHIMANO GRX ST-RX400 STI 2 x 10
Brakes SHIMANO GRX BR-RX400 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 X10 EPT Anti Rust chain, 1/2'' x 11/128'', XS - S 112L, M - XL 114L
Chainring aluminium, subcompact, 48 / 32 T, direct mount spider
Cassette SHIMANO CS-HG50 10-speed, 11 - 36 T
Front derailleur SHIMANO GRX FD-RX400
Rear derailleur SHIMANO GRX RD-RX400, clutch
Front hub BOMBTRACK TAU sealed disc hub, 6-bolt disc
Rear hub BOMBTRACK TAU sealed disc hub, 11-speed, 6-bolt disc
Through axle 12 x 100 mm / 12 x 142 mm
Front rim WTB ST i19 double wall, TCS 2.0, 32h
Rear rim WTB ST i19 double wall, TCS 2.0, 32h
Saddle BOMBTRACK COMP saddle
Seat post BOMBTRACK BEECH 27.2 mm x 300 mm
Seat clamp BOMBTRACK ORIGIN 29.8 mm
Front tire
XS - S 650B WTB RESOLUTE 42-584
M - XL 700C WTB VENTURE 40-622, tubeless ready
Rear tire
XS - S 650B WTB RESOLUTE 42-584
M - XL 700C WTB VENTURE 40-622, tubeless ready
Fender -
Rack -
Light -
Weight 11.0 kg (size M)
Weight frameset 2420 g frame (size M, incl. TA, hanger)
600 g fork (300 mm steerer, incl. TA)
Maximum rider weight 120 kg incl. luggage