Bombtrack Hook

A versatile steel gravel bike built around a double-butted Columbus Cromor frame and full carbon fork. Shimano GRX 2 × 10 gearing, hydraulic disc brakes and mounting points for racks, guards and bags make the Hook ready for gravel rides, commuting and loaded adventures.

These XS and S builds use 650B wheels with 42 mm WTB Resolute tyres.

Specifications

• Color 1: Metallic black
• Color 2: Metallic red
• Frame: Columbus Cromor double butted, TA dropout, rack / fender mounts, ED coated, 86.5 mm T47 BB shell
• Fork: Full carbon, TA, 1.1/2'' - 1.1/8'', triple cage mounts (can double as fender 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: Shimano GRX ST-RX400 STI Hydraulic
• Shifter: Shimano GRX ST-RX400 STI 2 x 10
• Brakes: Shimano GRX BR-RX400 hydraulic disc brakes
• Rotor: Shimano SM-RT66 160 mm rotors
• Crankset: Shimano GRX FC-RX600-10, 24 mm spindle
• BB: Bombtrack T47 internal sealed BB for 24 mm spindle
• Pedals: -
• Chain: KMC X10 EPT Anti Rust chain, 1/2'' x 11/128'', XS - S 112L, M - XL 114L
• Chainring: Shimano GRX, 46 T / 30 T
• Cassette: Shimano CS-HG50 10-speed, 11 - 36 T
• Front derailleur: Shimano GRX FD-RX400-F
• Rear derailleur: Shimano GRX RD-RX400, clutch
• Front hub: Bombtrack Tau sealed hub, 6-bolt disc
• Rear hub: Bombtrack Tau sealed 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: Seido Comp saddle
• Seat post: Bombtrack Beech 27.2 mm x 415 mm size XL; 315 mm size XS - L
• Seat clamp: Bombtrack Origin 29.8 mm
• Front tire: XS - S WTB Resolute 650B x 42C /
• M - XL WTB Venture 700C x 40C, tubeless ready
• Rear tire: XS - S WTB Resolute 650B x 42C /
• M - XL WTB Venture 700C x 40C, tubeless ready
• Weight: 11.1 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
• ASTM riding condition: 2

Specifications and appearance may vary slightly. Supplier stock is held at Cycle Sport; contact us to confirm dispatch timing.