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Bombtrack Hook EXT

Price range: $1,799.99 through $2,399.99

$50 Shipping on Bicycles between $1500 and $2000 (within the lower 48).

SKU: BOMXTOK Categories: , Tag:

As capable on backcountry campouts as it is on post-work blasts, the Hook EXT remains the choice when you’re unsure of the terrain, but know you want to have fun riding it.


Overview

Are you heading down the path least travelled? For a drop handlebar bike, the Hook EXT seldom faces terrain it cannot handle. A Columbus steel frame, a dedicated carbon fork and a sturdy 27.5’’ wheelset equip the EXT with an armoury to ride where other bikes would surely suffer.

A Sram 1×11 Rival groupset suitably gives this machine the gears and brakes to match.

Features

Columbus Cromor double butted frame with through-axle, rack and fender mounts, internal cable routing for lights, and an 85.5 mm T47 bottom bracket shell.

Full carbon Seido MGV fork with through-axle, mounts for fenders and triple cages, compatible with 180 mm rotors, lowrider racks, and internal hub dynamo routing.

Sram Rival 1 hydraulic levers for 1 x 11 speed shifting.

Sram Rival hydraulic disc brakes with flat mount installation.

Specs

Crankset:

  • Bombtrack Lyer forged aluminum, direct mount, Sram compatible, 30 mm spindle

Bottom Bracket:

  • Bombtrack T47, internal sealed, for 30 mm spindle, 85.5 mm width

Cassette:

  • Sram PG-1130, 11-speed, 11 – 42 T

Rear Derailleur:

  • Sram Rival 1, clutch, long cage

Hubs:

  • Seido Tau sealed, 11-speed, 6-bolt disc

Rims:

  • WTB ST Light i25, double wall, TCS 2.0, 32h

Tires:

  • WTB Ranger TCS Light / Fast Rolling, 27.5” x 2.0”, tubeless ready

Weight:

  • 11.2 kg

Warranty

All Bombtrack bicycles are backed by warranty against defects in material and manufacturing.

Please see Bombtrack’s Warranty Page to review their limitations.


Customer Reviews
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GK
08/03/2026
Greg K.

Versatile Platform, GREAT Service

I got my Hook EXT from Campfire a few years back. It was a great experience, as I've since come to expect from them. The bike arrived very well packed and properly put together. I don't recall making any adjustments except, obviously, for fit. Since then, I've modified it for personal preference: absoluteBlack 32t chainring, SunRace 11-46t cassette, riser stem, Thomson seatpost, Brooks saddle, fenders & racks. The geometry and ride quality of the Columbus steel frame make it the most comfortable bike I've ever had. In preparation for a tour from my home in NH to the tip of the Gaspe peninsula next Summer, I recently built new touring wheels with parts sourced from Campfire except for Hope hubs purchased elsewhere. My selections of rims, tires, and tubes were critically informed by email conversations with Campfire's service team members, Toby, Sarah and Molly - THANK YOU, guys! Over the years, I've made many purchases from Campfire and I've always been very happy. They're like an LBS on the web! :-)

CampfireCycling.com Bombtrack Hook EXT Review