Bombtrack Hook Gravel Bike
Specifications:
- Frame: Columbus double-butted chromoly, 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 aluminum stem, -7°
- Headset: sealed external headset, 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 aluminum crank, direct mount interface
- (SRAM compatible),30 mm spindle
- Bottom bracket: BOMBTRACK T47 internal sealed BB for 30 mm spindle
- Chain: KMC X10 EPT Anti Rust chain, 1/2” x 11/128”, XS – S 112L, M – XL 114L
- Chainring: aluminum 48/32 T
- 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 hub, 6-bolt disc
- Rear hub: BOMBTRACK TAU sealed hub, 11-speed, 6-bolt disc
- Through axles: 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: Color 1 BOMBTRACK DART saddle /
- Seatpost: BOMBTRACK BEECH 27.2 mm x 315 mm
- Seat clamp: BOMBTRACK ORIGIN 29.8 mm
- Tires: (XS, S) WTB RESOLUTE 42-584 (650b)/ (M, L, XL) WTB VENTURE 40-622 (700c), tubeless ready
Due to supply chain issues with certain bike suppliers, compatible components may be substituted at any time without notice.










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