• Bombtrack Hook EXT C Apex AXS – Carbon Gravel Adventure Bike
  • Bombtrack Hook EXT C Apex AXS – Carbon Gravel Adventure Bike
  • Bombtrack Hook EXT C Apex AXS – Carbon Gravel Adventure Bike
  • Bombtrack Hook EXT C Apex AXS – Carbon Gravel Adventure Bike
  • Bombtrack Hook EXT C Apex AXS – Carbon Gravel Adventure Bike

BOMBTRACK Hook EXT C Apex AXS - Glossy Red

€4,450.00 (Save €451.00)
€3,999.00
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Intro

The Hook EXT C Apex AXS is built for riders who crave speed, versatility and the freedom to ride beyond the beaten path. Its T800 carbon frame lightens the load without compromising strength, while the full-carbon Seido MGV fork offers generous tyre clearance, internal routing and multiple mounting points — ideal both for fast gravel rides and for fully loaded bikepacking trips.

The wireless SRAM Apex AXS 1×12 drivetrain delivers seamless, low-maintenance shifting across a wide 11–50T cassette range, matched with hydraulic disc brakes for reliable stopping power on varied terrain. The geometry is tuned to balance responsiveness and stability, making the bike comfortable over long distances while staying sharp on technical sections.

The Glossy Red finish completes the package with a bold, vibrant look that highlights the carbon frame’s lines. It’s a colourway for riders who want to be seen for their style as well as their speed — confident and expressive, without being excessive.

Why It Is a Hook EXT C Apex AXS

  • Lightweight Toray T800 carbon frame with internal routing and multiple mounts for bags, racks and accessories.
  • Seido MGV full-carbon fork with mounts for racks/bags and generous tyre clearance.
  • SRAM Apex AXS 1×12 wireless drivetrain for precise, dependable shifting across varied terrain.
  • Hydraulic disc brakes for strong, controllable braking in all conditions.
  • Tubeless-ready wheels with 700×40C tyres, ideal for gravel, dirt and mixed routes.

Key Features

  • Full-carbon construction: light, responsive and robust.
  • Wide 11–50T cassette for steep climbs and fast cruising on rolling terrain.
  • Fast yet stable geometry, perfect for sporty gravel and adventure riding.
  • Mounts for bags, racks and accessories: ready for light bikepacking and multi-day trips.
  • Glossy Red finish for a distinctive, high-impact aesthetic.

Short Description

The Hook EXT C Apex AXS is a high-performance carbon gravel bike built for fast rides, mixed-terrain adventures and multi-day trips, combining low weight with precise handling and modern wireless shifting.

Ideal For

  • Fast gravel and gravel racing.
  • Light adventure and bikepacking.
  • Mixed routes combining tarmac, gravel and dirt.
  • Long-distance rides at a sustained pace.
  • Riders seeking a modern, lightweight and versatile gravel bike.

Tech Specs (Summary)

– Frame: Toray T800 carbon, internal routing, multiple mounts, T47 BB.
– Fork: Seido MGV full carbon, rack/fender mounts, triple mounts.
– Drivetrain: SRAM Apex AXS wireless, 1×12, 11–50T cassette.
– Brakes: SRAM hydraulic disc brakes.
– Wheels / Tyres: Tubeless-ready, 700×40C.
– Cockpit: Seido Tackle handlebar with 16° flare for added control and comfort.

Tyre Clearance (official)

Frame – max, without fenders:
– 650B × 57C
– 700C × 45C

Fork – max, without fenders:
– 650B × 57C
– 700C × 57C

Technical Interpretation

The Hook EXT C offers very generous tyre clearance, with different limits at the frame and fork:

  • In 650B mode, both frame and fork accept tyres up to 57 mm, allowing very high traction and comfort on demanding terrain.
  • In 700C mode, the fork goes up to 57 mm, while the frame is limited to 45 mm — this rear value is the true limiting factor and must be respected.

This unlocks several effective setups:

  • Fast setup: 700C with 40–45 mm tyres, ideal for fast gravel and long-distance riding.
  • Adventure setup: 650B with tyres up to 57 mm, for maximum grip and comfort on rougher surfaces.
  • Front-biased setup: in 700C, you can run a wider front tyre (within the 57 mm fork limit) and a narrower rear tyre (within the 45 mm frame limit) to balance control, rolling efficiency and safety.

Rider Fit – Size Guide

Available sizes follow a modern gravel/adventure geometry:
S: 163–173 cm
M: 171–181 cm
L: 179–188 cm

For a precise recommendation, send us your height and inseam — we usually reply within 24 hours.

Recommended Setups

  • Tubeless setups with 40–45 mm tyres for all-round gravel use.
  • Wider 650B tyres for more adventurous, rougher terrain.
  • Frame, handlebar and saddle bags for light bikepacking.
  • Optional racks and fenders for all-weather commuting or touring.

Independent Reviews 

  • “A carbon gravel bike ready for adventure, with smart details and huge tyre clearance.”
  • “AXS shifting is smooth and precise, ideal for long mixed-terrain rides.”
  • “Light but reassuringly robust, capable on gravel and over long distances.”

Why Buy From Us

  • Express tracked EU shipping.
  • Italian / English support.
  • Honest, personalised advice on sizing, setup and use.
  • Email replies within 24 hours.

CTA

Ready for a fast, modern and uncompromising gravel bike?
Add the Hook EXT C Apex AXS – Glossy Red to your cart.

Prefer to talk before ordering?
info@bikejamming.it

Technical Tables

Specifications

ItemDetail
Color 1 Metallic black
Color 2 Glossy red
Color 3 -
Frame Toray T800 carbon blend, TA, rack / fender mounts, internal hub dynamo cable routing, 85.5 mm T47 BB shell, UDH derailleur hanger, optional full internal cable routing
Fork Seido MGV full carbon, TA, 1.1/2'' - 1.1/8'', fender / triple cage mounts, 180 mm max rotor size, lowrider rack compatible, internal hub dynamo cable routing
Handlebar Seido Tackle drop bar, 31.8 mm, 16° flare
Grips Bombtrack Escape bar tape
Stem Seido Scatter forged aluminium stem, -7°
Headset Sealed integrated headset, 1.1/2'' - 1.1/2''
Levers Sram Apex AXS double tap hydraulic
Shifter Sram Apex AXS double tap 1 × 12
Brakes Sram Apex flat mount hydraulic disc brakes
Rotor Sram Centerline 180 mm front and 160 mm rear rotor
Crankset Sram Apex Wide, DUB spindle
BB Sram DUB T47 85.5 mm
Pedals -
Chain Sram Apex, flattop, 1/2'' × 11/128'', 114L
Chainring Sram Apex, 12-speed, 38 T
Cassette Sram NX Eagle PG-1230 12-speed, 11–50 T
Front derailleur -
Rear derailleur Sram X1 Eagle AXS, clutch, long cage
Front hub Seido Tau sealed hub, 6-bolt disc
Rear hub Seido Tau sealed hub, HG driver, 6-bolt disc
Through axle 12 × 100 mm / 12 × 142 mm
Front rim Seido Geon i23 double wall asymmetric, tubeless ready, 28h
Rear rim Seido Geon i23 double wall asymmetric, tubeless ready, 28h
Saddle Seido Course saddle
Seat post Seido Yew aluminium seatpost, 27.2 mm × 350 mm
Seat clamp Bombtrack Prime 31.8 mm
Front tire WTB Venture TCS Light 40-622, tubeless ready
Rear tire WTB Venture TCS Light 40-622, tubeless ready
Fender -
Rack -
Kickstand -
Light -
Charger Sram EP-EAC-BC-A1
Weight 9.9 kg (size M)
Weight frameset 1380 g frame (size M, incl. TA, hanger) / 550 g fork (300 mm steerer, incl. TA)
Maximum rider weight 115 kg incl. luggage
ASTM riding condition 2
Note Final product may vary in appearance, finish and minor details.

Mounting Information

ItemDetail
BB standard T47 – 85.5 mm shell width
Headset standard (S.H.I.S.) IS52 / 28.6 | IS52 / 40
Headset crown race angle 36°
Fork steerer inner diameter 23.6 mm
Fork max tire clearance w/o fender 650B × 57C / 700C × 57C
Frame max tire clearance w/o fender 650B × 57C / 700C × 45C
Maximum chainring clearance 1x 42 T with 47 mm chainline
Maximum chainring clearance 2x 48 / 31 T with 47 mm chainline
Seat post diameter 27.2 mm
Seat clamp diameter 31.8 mm
Front derailleur clamp diameter Bolt-on FD hanger included in frame
Frame front derailleur compatible Yes
Brake mount front FM 160 / 180
Brake mount rear FM 160 / 180
Frame thickness rear brake mount 30 mm
Maximum rotor clearance front 180 mm
Maximum rotor clearance rear 180 mm
Front through axle 12 mm × 100 mm, 1.5 thread pitch
Rear through axle 12 mm × 142 mm, 1.0 thread pitch
ISO testing standard Road
Crankarm S–M 170 mm / L 175 mm
Q Factor 150 mm
BCD crank Sram direct mount
Chainring offset 6 mm
Chainline 47.5 mm
Spoke length front wheel tba
Spoke length rear wheel tba
Spoke count (front / rear) 28 / 28
ERD 587.5 mm
Front hub PCD 58 mm
Rear hub PCD 58 mm
Front hub flange distance / offset 56.5 mm center to center / 6.6 mm
Rear hub flange distance / offset 51 mm center to center / 8.8 mm
Stem length S 80 mm / M 90 mm / L 100 mm
Stem angle -7°
Headset spacers 1 × 10 mm, 2 × 5 mm
Seat post offset 0 mm
Seat post length 350 mm
Bike trailer Not approved
Seat tube mounted child seat Not approved
Derailleur hanger Sram UDH
Frame small parts BT-CR-014 / BT-CR-015
Hub end caps front BT-HC-014
Hub end caps rear BT-HC-017
Cassette body BT-CB-006
Crankarm bolt -
Through axle front BT-TA-F-601
Through axle rear BT-TA-R-606

Geometry

Bike SizeSML
Wheel size 700C 700C 700C
Seat Tube Length 500 530 570
Horizontal TT length 541 563 580
Seat Angle 74.5° 74.0° 74.0°
Seat Angle effective - - -
Head Angle 70.5° 70.5° 70.5°
Headtube Length 130 150 170
BB Drop 72 72 72
Chainstay Length 425 429 434
Fork Offset 53 53 53
Trail 69 69 69
Wheelbase Length 1034 1056 1079
Standover 773 805 822
Reach 384 396 407
Stack 564 583 602
Front Center 619 637 655
Axle to Crown 410 410 410
Minimum rider height¹ 1630 1710 1790
Maximum rider height¹ 1730 1810 1880

¹ The bike size recommendation is intended as a general guideline to narrow down options based on rider height. Proper bike fitting is complex and should also consider additional body measurements and individual factors. Since no two riders are identical, these recommendations cannot be 100% accurate for everyone. The best way to determine your ideal size is to consult your Bombtrack dealer (info@bikejamming.it) or a professional bike fitter.

  • Brand
  • Reference
    BTHEXTCAAXSGRM
  • Condition
    New

  • Frame
    Gravel / Bikepacking Ready
  • Wheel Size
    700c

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