BOMBTRACK Hook EXT Ti Frameset – Titanium Adventure Off-Road Gravel
€3,299.00
(Save €103.00)
€3,196.00
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Titanium adventure gravel frameset for demanding backroads, rough terrain, bikepacking and mixed-terrain touring. The Hook EXT Ti retains the geometry and versatility of the Hook EXT platform, while offering a lighter frame engineered for long-term durability.
Planning a complete build? We can help with cockpit, wheels and components.
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Bombtrack Hook EXT Ti Frameset
The Bombtrack Hook EXT Ti Frameset in Titanium / Black is the endpoint of the Hook platform: a 3Al-2.5V titanium frame paired with a dedicated Seido MGV full carbon fork, designed for aggressive gravel, technical riding and off-road bikepacking. Titanium offers outstanding fatigue and corrosion resistance and, together with the carbon fork, delivers a light, responsive and remarkably comfortable chassis for long days in the saddle. This frameset is meant to be the centrepiece of serious adventure builds.
What’s included in the frameset
Frame
3Al-2.5V titanium, thru-axle, rack / fender mounts, SRAM UDH derailleur hanger, compatible with multiple wheel sizes (27.5'' and 700C).
Fork
Seido MGV full carbon, TA, 1.5" – 1 1/8" tapered steerer, fender / triple cage mounts, lowrider rack compatible, 180 mm max rotor size, internal hub dynamo cable routing.
Headset
sealed external aheadset, 1.5" – 1 1/8".
Thru-axles
12 × 100 mm (front) / 12 × 142 mm (rear).
Seat clamp
Bombtrack Prime 31.8 mm.
Use cases & configuration options
Technical gravel, singletrack & light MTB
Sharing the same intent as the steel Hook EXT but in a lighter titanium package, the Hook EXT Ti is built for demanding mixed terrain. With room for wide tyres, it’s well suited to rocky doubletrack and rooty singletrack where many classic gravel bikes start to feel out of their depth. Independent reviews highlight how the EXT platform inspires confidence off-road and maintains composure even when the trail gets rough.
Off-road bikepacking & multi-day trips
Frame and fork are packed with mounts: triple cage on the fork, multiple bottle positions, rack and fender provision, and internal routing for dynamo lighting. Combined with the forgiving ride of titanium, this makes the Hook EXT Ti a highly capable choice for multi-day off-road trips and bikepacking routes where reliability, comfort and carrying capacity matter as much as speed.
One-bike solution for unknown routes
The Hook EXT Ti is often described as a “dream” adventure platform: 1x or 2x drivetrains, 27.5'' or 700C wheels and a wide range of setups are possible within the frame’s stated clearances. You can build it into a tough daily commuter, a long-distance gravel machine or a backcountry explorer, tuning wheels, tyres and gearing to your riding style while respecting the technical standards of the frameset.
Compatibility & build infos
Item
Specification
BB standard
T47 – 86.5 mm shell width.
Headset standard (S.H.I.S.)
EC34 / 28.6 (upper) | EC44 / 40 (lower).
Fork steerer I.D.
23.6 mm.
Fork max tyre clearance (without fenders)
650B × 57C / 700C × 57C.
Frame max tyre clearance (without fenders)
650B × 52C / 700C × 40C.
Max chainring 1x
44 T with 45 mm chainline.
Max chainring 2x
50 / 36 T with 45 mm chainline.
Seatpost diameter
27.2 mm.
Seat clamp diameter
31.8 mm.
Front derailleur clamp diameter
31.8 mm.
Front derailleur compatible
yes.
Brake mount front
FM 160 / 180.
Brake mount rear
FM 140 / 160.
Max rotor front
180 mm.
Max rotor rear
160 mm.
Front thru-axle
12 × 100 mm, 1.5 thread pitch.
Rear thru-axle
12 × 142 mm, 1.0 thread pitch.
ISO testing standard
Road.
Bike trailer
approved.
Seat tube mounted child seat
not approved.
Derailleur hanger
SRAM UDH.
Frame small parts
BT-CR-016.
Front thru-axle
BT-TA-F-601.
Rear thru-axle
BT-TA-R-605.
Technical specifications – frame & fork
Specification
Details
Frame
3Al-2.5V titanium, thru-axles, rack and fender mounts
Derailleur hanger
SRAM UDH
Fork
Seido MGV full carbon, tapered 1 1/8"–1 1/2" steerer
Fork length
410 mm axle-to-crown
Fork offset
53 mm
Suspension fork compatibility
Not specified
Bottom bracket
Threaded T47, 86.5 mm shell width
Headset
Sealed, EC34/28.6 upper / EC44/40 lower
Thru-axles
12 × 100 mm front · 12 × 142 mm rear
Seatpost
27.2 mm
Seatpost clamp
Bombtrack Prime, 31.8 mm
Dropper post compatibility
Not specified
Brake mount
Flat Mount
Front rotor size
160–180 mm
Rear rotor size
140–160 mm
Drivetrain compatibility
1x or 2x
Maximum chainring (1x)
44T with 45 mm chainline
Maximum chainring (2x)
50/36T with 45 mm chainline
Front derailleur
Compatible, 31.8 mm clamp
Designed wheel size
27.5"
Frame tire clearance
650B × 52 mm · 700C × 40 mm
Fork tire clearance
650B × 57 mm · 700C × 57 mm
Frame mounts
Rack and fender mounts
Fork mounts
Three-Pack mounts, low-rider rack mounts and fender mounts
Internal dynamo cable routing
Through the fork
Frame weight
2,060 g (size L), including thru-axle and derailleur hanger
Fork weight
550 g with 300 mm steerer, including thru-axle
Maximum system weight
130 kg, including rider and luggage
Usage classification
ASTM Category 2 · ISO Road
Trailer compatibility
Approved
Seat tube child seat
Not approved
Sizes
S · M · L · XL
Geometry & size guide
Size
XS
S
M
L
XL
Wheel size
27.5''
27.5''
27.5''
27.5''
27.5''
Seat tube length
460
500
530
570
600
Horizontal TT length
520
534
558
572
597
Seat angle
73.9°
73.9°
73.5°
73.5°
73.0°
Head angle
70.9°
70.9°
71.5°
71.5°
71.5°
Headtube length
110
130
150
170
190
BB drop
71
71
66
66
66
Chainstay length
425
425
425
425
425
Fork offset
53
53
53
53
53
Trail
64
64
61
60
60
Wheelbase length
1003
1018
1034
1049
1068
Standover
753
782
805
834
857
Reach
360
369
381
390
403
Stack
558
577
593
612
631
Front center
588
603
618
633
652
Axle to crown
398
398
398
398
398
Min rider height
150 cm
160 cm
170 cm
179 cm
188 cm
Max rider height
161 cm
171 cm
181 cm
190 cm
199 cm
Size recommendations are indicative and based on rider height only. If you are planning a build around the Hook EXT Ti Frameset, we can help you interpret its geometry and technical standards to choose a configuration that fits your project: info@bikejamming.it.
CTA
We can help you identify compatible components and define the most suitable configuration for your build project based on the Hook EXT Ti Frameset.
Brand
Reference
BTHEXTFSTBL
Condition
New
Primary Terrain
Unpaved Roads
Cargo Mounts
Front & Rear Rack Mounts
Frame Material
Titanium
Tire Compatibility
Up to 2.1"
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