Description
The Bombtrack HOOK EXT is a road bicycle designed with a 650B wheel size and finished in matte turquoise. The XL frame is made from Columbus Cromor double-butted tubing and includes features such as thru-axle, rack and fender mounts, internal routing for light cables, a rear light mount, and an 85.5 mm T47 bottom bracket shell. The carbon Seido MGV fork supports thru-axle, has fender and triple cage mounts, is compatible with lowrider racks, accommodates up to a 180 mm rotor, and provides internal routing for hub dynamo cables.
Shifting and braking are handled by Sram Rival 1 components, including double tap hydraulic levers, flat mount hydraulic disc brakes, and a long cage rear derailleur with clutch. The drivetrain includes a Bombtrack Lyer forged aluminum crank compatible with Sram direct mount chainrings, a Bombtrack T47 internal sealed bottom bracket, and an 11-speed Sram PG-1130 cassette with an 11-42 tooth range.
The wheels feature Seido Tau sealed hubs with 6-bolt disc mounts, paired with WTB ST Light i25 double-wall rims, 32-hole, and equipped with WTB Ranger TCS Light tires sized 27.5″ x 2.0″ that are tubeless ready. The complete bike weighs 11.2 kg.
- Designed for road cycling with a 650B wheel size and XL frame for a precise fit and confident ride.
- Constructed with a Columbus Cromor double butted frame featuring rack and fender mounts for versatile gear attachment.
- Equipped with Seido MGV full carbon fork supporting fenders, triple cage mounts, lowrider racks, and internal dynamo cable routing.
- Features Sram Rival 1 double tap hydraulic shifters and flat mount hydraulic disc brakes for smooth and reliable control.
- Includes tubeless-ready WTB Ranger TCS Light 27.5” x 2.0” tires on WTB ST Light i25 rims designed for fast rolling and durability.





