Bombtrack Hook Ext C Apex AXS vs Bombtrack Hook

Bombtrack

Hook Ext C Apex AXS

Bombtrack

Hook

High endCarbon700c2025

Entry levelSteel29" front, 27.5" rear2024

Two builds of the Bombtrack Hook line: 23 differences, mostly in the components.

Bombtrack Hook Ext C Apex AXS, side view

BombtrackBombtrack Hook Ext C Apex AXS

BombtrackBombtrack Hook

At a glance

Differences only

Bombtrack Hook Ext C Apex AXS is 1.1 kg lighter than Bombtrack Hook (brand figures).
Bombtrack Hook Ext C Apex AXS is the newer model (2025).

Key specs8 differences

Model year 2025 2024

Weight 9.9 kg 11 kg +1.1 kg

Frame Carbon

As printed

Toray T800 carbon blend

Steel

As printed

Frame: Columbus Cromor steel, double-butted

Fork model Seido MGV full carbon –

Wheelset 700c · Seido Sinus i21, tubeless ready, 32H 29" front, 27.5" rear · WTB ST i19 double wall ^{°Value not published by the brand}

Drivetrain 1×12 2×10

Groupset SRAM Apex AXS

As printed

SRAM Apex AXS 1x, 12-speed

Shimano GRX RX400

As printed

Shifters: Shimano GRX ST-RX400, 2x10; Rear derailleur: Shimano GRX RD-RX400

Brake model SRAM Apex flat mount hydraulic disc

As printed

Sram Apex flat mount hydraulic disc brakes

Shimano GRX hydraulic disc

As printed

Levers and calipers: Shimano GRX hydraulic disc

Seatpost Rigid · Seido Yew aluminium seatpost, 27.2 mm x 350 mm ^{°Value not published by the brand} Rigid · BOMBTRACK BEECH 27.2 mm x 300 mm ^{°Value not published by the brand}

Prices

Each model's retailers, delivered to your country, and their prices over time.

Bombtrack Hook Ext C Apex AXS

Bombtrack Hook

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Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

Hook Ext C Apex AXS · Gravel bike all-round, neutral handling, rather high equipment.
Hook · Gravel bike made for very smooth ground, rather nimble, entry-level equipment.

Terrain

EasyDemanding

Handling

NimbleStable

Bombtrack Hook Ext C Apex AXSBombtrack Hookother gravel bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type

Suspension Rigid ^{°Value not published by the brand} Rigid ^{°Value not published by the brand}

Frame and fork2 differences

Fork Carbon

As printed

Seido MGV full carbon

Carbon

As printed

Fork: Full carbon

Frame weight 1,380 g 2,420 g +1.04 kg

Max tyre clearance 45 mm 45 mm ^{°Value not published by the brand}

Axles Thru-axles

As printed

12 x 100 mm front and 12 x 142 mm rear through axles

Thru-axles

As printed

Through axles: 12 x 100 mm front, 12 x 142 mm rear

Bottom bracket SRAM DUB T47 85.5 mm Bombtrack T47 internal sealed, 86.5 mm shell

As printed

Bottom bracket: Bombtrack T47 internal sealed, 86.5 mm shell

Cable routing Internal ^{°Value not published by the brand}

As printed

internal hub dynamo cable routing

–

Seatpost diameter 27.2 mm 27.2 mm

Drivetrain8 differences

Groupset brand SRAM

As printed

SRAM Apex AXS 1x

Shimano

As printed

Shimano GRX ST-RX400

Shifting Electronic, wireless ^{°Value not published by the brand}

As printed

SRAM X1 Eagle AXS, clutch, long cage SRAM Apex AXS double tap 1 x 12

Mechanical ^{°Value not published by the brand}

As printed

SHIMANO GRX RD-RX400, clutch SHIMANO GRX ST-RX400 STI 2 x 10

Chainrings 1 2 +1

Gears at the back 12 10 −2

Chainring teeth SRAM Apex Wide, DUB spindle Shimano GRX FC-RX600-10

As printed

Crankset: Shimano GRX FC-RX600-10, 24 mm spindle

Cassette SRAM NX Eagle PG-1230 12-speed, 11-50 T Shimano CS-HG50 11-36T

As printed

Cassette: Shimano CS-HG50, 10-speed, 11-36T

Rear derailleur SRAM X1 Eagle AXS, clutch, long cage ^{°Value not published by the brand} SHIMANO GRX RD-RX400, clutch ^{°Value not published by the brand}

Shifters SRAM Apex AXS double tap 1 x 12 ^{°Value not published by the brand} SHIMANO GRX ST-RX400 STI 2 x 10 ^{°Value not published by the brand}

Brakes1 difference

Brakes Hydraulic disc

As printed

Sram Apex flat mount hydraulic disc brakes

Hydraulic disc

As printed

Levers and calipers: Shimano GRX hydraulic disc

Front rotor 180 mm 160 mm −20 mm

Rear rotor 160 mm 160 mm

Wheels and tyres2 differences

Wheel size 700c / 29"

As printed

WTB Venture TCS Light 40-622

29" front, 27.5" rear ^{°Value not published by the brand}

Rims Aluminium ^{°Value not published by the brand} Aluminium ^{°Value not published by the brand}

Tubeless ready yes yes

Tyres WTB Venture TCS Light 40-622, tubeless ready XS - S WTB RESOLUTE 42-584 /, M - XL WTB VENTURE 40-622, tubeless ready ^{°Value not published by the brand}

Tyre width fitted 40 mm –

Cockpit and seatpost3 differences

Handlebar Seido Tackle drop bar, 31.8 mm, 16° flare ^{°Value not published by the brand} BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare ^{°Value not published by the brand}

Stem Seido Scatter forged aluminium stem, -7° ^{°Value not published by the brand} BOMBTRACK ROAM forged aluminium stem, -7° ^{°Value not published by the brand}

Seatpost model Seido Yew aluminium seatpost, 27.2 mm x 350 mm ^{°Value not published by the brand} BOMBTRACK BEECH 27.2 mm x 300 mm ^{°Value not published by the brand}

Weight

Weighed in size M

As printed

9.9 kg (size M)

As printed

Complete bike: 11.0 kg (size M)

Max total weight 115 kg –

Mounts and storage

Rack mounts yes yes

Mudguard mounts yes yes

Top tube mounts– yes

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

Size of Hook Ext C Apex AXS

Size of Hook

Differences measured from

Hook Ext C Apex AXS · M
Hook · L

Stack and reach

Hook Ext C Apex AXS · M Hook Ext C Apex AXS · M — Reach (mm) 396 · Stack (mm) 583
Hook · L Hook · L — Reach (mm) 389 · Stack (mm) 584

Geometry15 differences

Size M L

Reach 396 mm 389 mm −7 mm

Stack 583 mm 584 mm +1 mm

Top tube (effective) 563 mm 562 mm −1 mm

Seat tube 530 mm 545 mm +15 mm

Head tube 150 mm 150 mm

Head angle 70.5° 72° +1.5°

Seat angle 74° 73.5° −0.5°

Chainstays 429 mm 425 mm −4 mm

Wheelbase 1,056 mm 1,027 mm −29 mm

Front centre 637 mm 611 mm −26 mm

Standover 805 mm 820 mm +15 mm

BB drop 72 mm 67 mm −5 mm

BB height 277 mm 282 mm +5 mm

Fork offset 53 mm 48 mm −5 mm

Trail 69 mm 64 mm −5 mm

Where to buy them

Bombtrack Hook Ext C Apex AXS
Its full spec sheet Compare the whole Bombtrack Hook range
Bombtrack Hook
Its full spec sheet Compare the whole Bombtrack Hook range

Compare the whole Bombtrack Hook range

Frequently asked questions

Which is lighter, Bombtrack Hook Ext C Apex AXS or Bombtrack Hook?

Bombtrack Hook Ext C Apex AXS weighs 9.9 kg, Bombtrack Hook 11 kg, as their brands give them.

What groupset do Bombtrack Hook Ext C Apex AXS and Bombtrack Hook come with?

Bombtrack Hook Ext C Apex AXS: SRAM Apex AXS. Bombtrack Hook: Shimano GRX RX400.

How do Bombtrack Hook Ext C Apex AXS and Bombtrack Hook compare on geometry?

In size M, Bombtrack Hook Ext C Apex AXS has a stack of 583 mm for a reach of 396 mm; in size L, Bombtrack Hook has 584 mm for 389 mm. More stack for the reach means a more upright position.

Compare other models

Bombtrack Hook Ext C Apex AXS vs Bombtrack Hook

At a glance

Prices

Character

Components and specs

Geometry

Stack and reach

Where to buy them

Frequently asked questions

Other comparisons