What defines the Hook EXT Apex Eagle
The Hook EXT Apex Eagle in Metallic Sunglow Fade is built for riders who experience exploration as a natural rhythm. The warm gradient evokes open landscapes and sunlit gravel roads, but its true identity emerges on demanding terrain.
This model pushes the Hook DNA toward rougher ground: technical gravel, light singletrack, steep climbs and routes where the surface changes constantly. The SRAM Apex Eagle 1×12 drivetrain delivers a wide, quiet and intuitive range, especially when riding fully loaded. The steel frame ensures confident handling, while the 27.5” wheels enhance traction and comfort.
If you’re looking for a capable, honest and adventure-ready bike built for long days out, the Hook EXT Apex Eagle is a trustworthy partner.
What Makes It a True Hook EXT
Off-road oriented geometry
• More stable than the standard Hook
• More agile than the Beyond series
• Predictable and fluid on mixed terrain
Designed around 27.5”
• Better traction and comfort on rough ground
• Reliable behaviour even with full bikepacking load
Steel ride quality
• Progressive, smooth feedback on long rides
• Stability and control even on demanding routes
Key Highlights
• SRAM Apex Eagle 1×12 drivetrain
• 27.5” tubeless-ready wheels
• Full-carbon fork with multiple mounts
• Steel frame with numerous attachment points
• Balanced geometry for long-distance mixed terrain
Short Description
A modern, rugged adventure gravel bike made for technical routes, multi-day trips and exploration beyond paved roads.
Ideal For
• Technical gravel
• Steep climbing routes
• Self-supported bikepacking
• Long rides on unpaved forest roads
Technical Summary (Overview)
Main Specs
• Steel double-butted frame
• Full-carbon fork
• SRAM Apex Eagle 1×12
• Hydraulic disc brakes
• 27.5” tubeless-ready wheelset
• Adventure mounting points
• 27.2 mm seatpost
Tyre Clearance (Bombtrack)
Frame – max without fenders
• 650B × 52C
• 700C × 40C
Fork – max without fenders
• 650B × 57C
• 700C × 57C
Technical Interpretation
The Hook EXT offers unusually broad tyre setup flexibility:
• Frame limit: 52 mm in 27.5 (critical number)
• In 700C: up to 40 mm, ideal for faster gravel
• Fork limit: up to 57 mm, enabling advanced setups:
– wider front tyre (mullet width) for confidence
– front traction bias for technical bikepacking
This asymmetry is one of the Hook EXT’s biggest advantages.
Rider Fit
XS: 150–161 cm
S: 160–171 cm
M: 170–181 cm
L: 179–190 cm
XL: 188–199 cm
Send height + inseam for accurate sizing.
Recommended Setups
• Frame bag + handlebar roll + saddle pack
• Wider front tyre for control
• Compatible with full touring racks
• Dynamo-ready
Why Choose Metallic Sunglow Fade
A distinctive, warm colourway that enhances visibility and gives the bike an adventurous, expressive character.
Press & Independent Impressions
• “Stable and confidence-inspiring on tough gravel.”
• “Eagle drivetrain delivers excellent versatility on steep climbs.”
• “A bike that encourages exploration without limits.”
Why Buy From Us
• Fast tracked EU shipping
• Bilingual assistance
• Clear and honest guidance
• Replies within 24h
Final CTA
Ready for your next adventure?
Add the Hook EXT Apex Eagle 2025 – Metallic Sunglow Fade or contact us at info@bikejamming.it
Technical Tables
SPECS
| Color 1 |
Matt Black |
| Color 2 |
Matt Teal |
| Color 3 |
Metallic sunglow fade |
| Frame |
Columbus Cromor double butted, TA, rack / fender mounts, internal light cable routing, rear light mount, ED coated, 85.5 mm T47 BB shell |
| 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 Meander forged aluminium stem, -6° |
| Headset |
Seido Pro EC sealed external headset, 1.1/2'' - 1.1/8'' |
| Levers |
Sram Apex Eagle double tap hydraulic |
| Shifter |
Sram Apex Eagle double tap 1x12 |
| 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 |
Seido T47 Pro 85.5 mm for 30 mm spindle |
| Pedals |
- |
| Chain |
Sram Apex, flattop, 1/2'' x 11/128'', 112L |
| Chainring |
Sram Apex, 12-speed, 40 T |
| Cassette |
Sram NX Eagle PG-1230 12-speed, 11 - 50 T |
| Front derailleur |
- |
| Rear derailleur |
Sram Apex Eagle, 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 x 100 mm / 12 x 142 mm |
| Front rim |
Seido Sinus i25 double wall asymmetric, tubeless ready, 32h |
| Rear rim |
Seido Sinus i25 double wall asymmetric, tubeless ready, 32h |
| Saddle |
Seido Comp saddle |
| Seat post |
Seido Yew aluminium seatpost, 27.2 mm x 350 mm |
| Seat clamp |
Bombtrack Prime 29.8 mm |
| Front tire |
WTB Ranger TCS Light / Fast Rolling 27.5'' x 2.0'', tubeless ready |
| Rear tire |
WTB Ranger TCS Light / Fast Rolling 27.5'' x 2.0'', tubeless ready |
| Fender |
- |
| Rack |
- |
| Kickstand |
- |
| Light |
- |
| Weight |
11.7 kg (size M) |
| Weight frameset |
2710 g frame (size L, incl. TA, hanger) / 550 g fork (300 mm steerer, incl. TA) |
| Maximum rider weight |
130 kg incl. Luggage |
| ASTM riding condition |
2 |
Final product may vary in appearance, finish and minor details.
BUILD INFOS
| BB standard |
T47 - 85.5 mm shell width |
| Headset standard (S.H.I.S.) |
EC34 / 28.6 | EC44 / 40 |
| Headset crown race angle |
45° |
| Fork steerer inner diameter |
23.6 mm |
| Fork max tire clearance w/o fender |
650B x 57C / 700C x 57C |
| Frame max tire clearance w/o fender |
650B x 52C / 700C x 40C |
| Maximum chainring clearance 1x |
44 T with 45 mm chainline |
| Maximum chainring clearance 2x |
50 / 36 T with 45 mm chainline |
| Seat post diameter |
27.2 mm |
| Seat clamp diameter |
29.8 mm |
| Front derailleur clamp diameter |
28.6 mm |
| Frame front derailleur compatible |
yes |
| Brake mount front |
FM 160 / 180 |
| Brake mount rear |
FM 140 / 160 |
| Frame thickness rear brake mount |
10 mm |
| Maximum rotor clearance front |
180 mm |
| Maximum rotor clearance rear |
160 mm |
| Front through axle |
12 mm x 100 mm, 1.5 thread pitch |
| Rear through axle |
12 mm x 142 mm, 1.5 thread pitch |
| ISO testing standard |
Road |
| Crankarm |
XS 165 mm / S - M 170 mm / L - XL 175 mm |
| Q Factor |
152 mm |
| BCD crank |
Direct mount (Sram compatible) |
| Chainring offset |
6 mm |
| Chainline |
47.5 mm |
| Spoke length front wheel |
tba |
| Spoke length rear wheel |
tba |
| Spoke count (front / rear) |
32 / 32 |
| ERD |
551 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 |
XS - S 80 mm / M - 90 mm / L - XL 100 mm |
| Stem angle |
-6° |
| Headset spacers |
1 x 10 mm, 2 x 5 mm |
| Seat post offset |
0 mm |
| Seat post length |
350 mm |
| Bike trailer |
approved |
| Seat tube mounted child seat |
approved |
| Derailleur hanger |
BT-DH-008 |
| Frame small parts |
BT-CR-007 / BT-CR-006 |
| Hub end caps front |
BT-HC-014 |
| Hub end caps rear |
BT-HC-017 |
| Cassette body |
BT-CB-006 |
| Crankarm bolt |
BT-CRP-002 |
| Through axle front |
BT-TA-F-601 |
| Through axle rear |
BT-TA-R-602 |
GEOMETRY
| Bike 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 |
632 |
652 |
| Axle to Crown |
410 |
410 |
410 |
410 |
410 |
| Minimum rider height ¹ |
1500 |
1600 |
1700 |
1790 |
1880 |
| Maximum rider height ¹ |
1610 |
1710 |
1810 |
1900 |
1990 |
¹ Size recommendations generally represent a rough guideline for quickly narrowing down the sizes from which to choose based on the body height. Bike fitting is a complex topic and other measurements and factors have to be accounted for as well. Since no two human bodys are exactly the same it is not possible to give a 100% correct advice for everyone. The best way to work out the correct size is to consult your Bombtrack dealer (info@bikejamming.it) or a professional bike fitter and have them determine the needed size.
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