Description
The Bombtrack HOOK EXT is a road bicycle in size Small, featuring a matte turquoise 650B frame made from Columbus Cromor double butted tubing. The frame includes thru-axle (TA) dropouts, mounts for racks and fenders, internal routing for light cables, a rear light mount, and an 85.5 mm T47 bottom bracket shell.
The bike is equipped with a Seido MGV full carbon fork with TA dropouts and tapered steerer (1.1/2″ to 1.1/8″). The fork supports fenders, triple cage mounts, up to 180 mm rotor size, and is compatible with lowrider racks. It also has internal routing for a hub dynamo cable.
Shifting is handled by SRAM Rival 1 double tap hydraulic levers paired with SRAM Rival flat mount hydraulic disc brakes. The crankset is a Bombtrack Lyer forged aluminum design with a direct mount interface compatible with SRAM, featuring a 30 mm spindle. The bottom bracket is a Bombtrack T47 internal sealed unit designed for the 30 mm spindle.
The drivetrain includes a SRAM PG-1130 11-speed cassette ranging from 11 to 42 teeth and a SRAM Rival 1 clutch rear derailleur with a long cage. The wheels feature Seido Tau sealed hubs with 6-bolt disc mounts and WTB ST Light i25 double-wall rims with TCS 2.0, 32 spokes. Tires are WTB Ranger TCS Light / Fast Rolling, sized 27.5″ x 2.0″ and tubeless-ready.
The overall weight of the bike is 11.2 kg.
- Designed for road cycling with a lightweight Columbus Cromor double butted frame and internal cable routing for a clean setup.
- Equipped with a Seido MGV full carbon fork featuring fender and triple cage mounts for versatile carrying options.
- Uses Sram Rival 1 hydraulic disc brakes and hydraulic double tap levers for responsive stopping power.
- Includes WTB Ranger TCS Light tubeless-ready tires sized 27.5” x 2.0” for fast rolling and improved ride quality.
- Wheel size is 650B with WTB ST Light i25 rims, providing a balanced ride in a matte turquoise color, frame size S.





