• Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12
  • Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12
  • Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12
  • Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12
  • Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12
  • Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12
  • Bombtrack Cale AL SX Eagle – Trail Bikepacking MTB 1x12

BOMBTRACK Cale AL SX Eagle - Matt Black

€2,400.00 (Save €204.00)
€2,196.00
Tax included

Aluminium trail hardtail with 130 mm suspension, an Eagle 12-speed drivetrain and a dropper post as standard, built for riders who want a Cale that feels more ready for technical and faster riding from the first ride.
Compared with the AL Advent X, it is more aggressive and more clearly trail-focused, while still keeping the versatility needed for off-road bikepacking and long rides.

 

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Bombtrack Cale AL SX Eagle

The Bombtrack Cale AL SX Eagle is an aluminium hardtail built for riders who want to push hard on technical trails but also strap on bags and head out for off-road adventures. A 6061-T6 hydro-formed frame, RockShox 35 Gold RL 130 mm fork, Sram SX Eagle 12-speed drivetrain and KS dropper post as standard: a modern, aggressive and ready-for-anything package.

  • 6061-T6 hydro-formed aluminium frame with Boost spacing, thru-axles, rack and fender mounts, and stealth routing for a dropper seatpost.
  • RockShox 35 Gold RL fork, 130 mm travel with rebound adjustment and trail-focused support for fast, technical riding.
  • Sram SX Eagle 1x12 drivetrain with 30 T chainring and 11–50 T cassette: a wide range for steep climbs and fast descents.
  • Sram Level hydraulic disc brakes with G2 Cleansweep 180 / 160 mm rotors for powerful, consistent braking.
  • WTB ST i29 29" rims with Kenda Hellcat Pro 29" x 2.4" tubeless ready tyres, ready for roots, rocks and rough trail surfaces.
  • KS E20i dropper seatpost with 150 mm travel to lower your centre of gravity on descents at the push of a lever.
  • Matt Black finish for a stealthy, clean and aggressively understated look.

Within the Cale family, the AL SX Eagle is the most trail-oriented option: it keeps Bombtrack’s adventure DNA, but adds a higher-end fork, 35 mm cockpit and Eagle 12-speed drivetrain for riders who are not afraid to ride hard on demanding terrain.


Performance & ideal terrain

With modern geometry, 130 mm of front travel and 29" wheels, the Cale AL SX Eagle is a hardtail that feels at home on demanding trail networks, alpine loops and fast off-road adventures, always offering a stable and precise ride feel.

On-road & off-road behaviour

  • Climbing: the 30 / 11–50 T gear range gives you the low gears you need for steep ramps, while the aluminium frame keeps the bike responsive when you get on the gas.
  • Descending & technical trails: the RockShox 35 Gold RL fork, 2.4" tyres and KS dropper post let you tackle steep chutes, rock gardens and tight singletrack with confidence.
  • Transfers & mixed surfaces: the centred position and 29" wheels make it efficient on fire roads and fast gravel, yet still manageable on paved sections.

Best suited for

  • Trail centres and all-mountain routes with technical sections.
  • Alpine rides with long descents and rough terrain.
  • Off-road bikepacking for riders who want a more “trail-ready” setup with a dropper post and aggressive tyres.
  • “One bike for everything” use for riders mixing trail riding, gravel and rugged everyday riding.

Recommended setups

  • Trail / All-Mountain: keep the Kenda Hellcat Pro 29" x 2.4" tyres set up tubeless at moderate to low pressures, pair the Bombtrack Illusion bar with the short Seido Drift stem to maximise control and confidence.
  • Aggressive bikepacking: make use of the frame mounts for bags and lightweight racks, and consider a slightly faster rolling rear tyre if your routes include long stretches of hardpack and tarmac.
  • All-weather / rugged commuting: add full fenders and a compatible rear rack; the 2.4" tyre volume brings comfort and grip on wet, broken or unpaved roads.

Independent opinions & technical highlights

  • A build featuring RockShox 35 Gold RL, Sram SX Eagle 12-speed and Sram Level brakes is widely regarded as a solid foundation for a modern trail hardtail, with a good balance of control, reliability and value.
  • The combination of a 35 mm cockpit, 2.4" tyres and a long, stable geometry places the Cale AL SX Eagle firmly in the category of hardtails ready for demanding trails and sustained descents.
  • The KS E20i dropper post is often seen as a real-world advantage rather than a luxury: a key feature to increase safety and fun on steep, tight or technical sections.
  • The aluminium frame with rack and fender mounts keeps the Bombtrack adventure spirit alive, making this SX Eagle version suitable not only for “pure” trail riding but also for mountain touring or more aggressive bikepacking setups.

Bombtrack Cale AL SX Eagle – size guide

Size Min. rider height (cm) Max. rider height (cm) Notes
M 170 181 Great for medium-height riders looking for a slightly more compact and agile position.
L 179 190 Balanced option for trail / all-mountain use and bikepacking.
XL 188 199 For taller riders who want maximum room and stability at speed.

The size recommendations above are indicative guidelines based on rider height. Proper bike fitting is more complex and should also consider inseam, torso and arm length, flexibility and riding style.

Because no two riders are exactly the same, it is impossible to provide advice that will be 100% accurate for everyone. The best way to find your ideal size is to consult your Bombtrack dealer (info@bikejamming.it) or a professional bike fitter.

Bikejamming size & setup support

Unsure between two sizes or wondering if the Cale AL SX Eagle fits your riding plans? Drop us a line at info@bikejamming.it and tell us how and where you ride: we’ll help you choose the right size, dial in your setup and suggest upgrades based on real-world use.


CTA

The Bombtrack Cale AL SX Eagle – Matt Black is built for riders who want a hardtail that can do it all: technical trail riding, long descents, alpine loops and aggressive bikepacking, with a RockShox Gold fork, Eagle 12-speed drivetrain and dropper post already included.

Not sure about the right size, intended use or how to optimise the build for your local trails? Get in touch at info@bikejamming.it: we can advise you on tyres, upgrades (wheels, cockpit, brakes), alternative droppers and luggage options to turn your Cale AL SX Eagle into a perfectly tailored trail partner.

Ready to take a hardtail further than usual? Configure your Cale AL SX Eagle now and let it shine on the trails you love most.


Frequently asked questions and answers about the Bombtrack Cale AL SX Eagle

What kind of bike is the Cale AL SX Eagle?

It is a modern aluminium trail hardtail with 130 mm suspension and a stock dropper post. It is built for riders who want a bike that feels more ready for technical riding than a simpler entry-level trail hardtail.

What is the difference between the Cale AL SX Eagle and the Cale AL Advent X?

The AL SX Eagle sits a step above in both setup and intent. It adds a 12-speed drivetrain, a stock dropper, a better fork and a cockpit more clearly aimed at control on faster, more technical trails.

Does the stock dropper post really make a difference?

Yes, especially on a trail hardtail. It improves control, confidence and freedom of movement on descents, making the bike much more convincing on steep or technical sections.

Is it only for trail riding, or also suitable for bikepacking?

It is not just a pure trail bike. It still keeps Bombtrack’s more versatile DNA, so it can work well for off-road bikepacking and long rides, especially for riders who want a more capable and lively MTB platform.

How does it perform on technical trails?

Very well for its category. The 130 mm fork, 29” wheels, more direct cockpit and dropper post help the bike deal more confidently with descents, tight corners, roots and rough sections.

Is it a good choice as an only MTB?

Yes, for riders who want a bike that is genuinely fun on trails without moving to something too specialised. It is more trail-oriented than the Advent X, but still versatile enough for broad use.

What is the difference between the Cale AL SX Eagle and the Cale GX Eagle?

The AL SX Eagle is the more straightforward and value-conscious alloy option for riders wanting real trail performance. The GX Eagle moves further up in refinement, spec level and overall positioning.


Technical specifications – Bombtrack Cale AL SX Eagle

Component Details
Model Cale AL SX Eagle
Colour Matt black
Frame 6061-T6 hydro-formed aluminium, thru-axle, rack / fender mounts, Boost spacing, stealth dropper ready, 73 mm BSA bottom bracket shell
Fork RockShox 35 Gold RL, suspension fork, 130 mm travel, tapered 1 1/2" – 1 1/8"
Handlebar Bombtrack Illusion flat bar, aluminium, 35 mm clamping diameter
Grips Bombtrack Return, lock-on, 135 mm
Stem Seido Drift, aluminium stem, 35 mm clamping diameter
Headset Sealed integrated headset, 1 1/2" – 1 1/8"
Brake levers Sram Level, hydraulic
Shifter Sram SX Eagle, 12-speed shifter
Brakes Sram Level, hydraulic disc brakes
Rotors Sram G2 Cleansweep, 180 mm front and 160 mm rear
Crankset Truvativ Stylo 6K, aluminium, Boost DUB
Bottom bracket Sram DUB BSA 73 mm
Pedals Not included
Chain Sram NX Eagle, 1/2" x 11/128", 114L
Chainring Sram Eagle X-Sync 2, narrow-wide, 30 T
Cassette Sram PG-1210 Eagle, 12-speed, 11–50 T
Front derailleur - (not included)
Rear derailleur Sram SX Eagle, with clutch, long cage
Front hub Bombtrack Grad Boost, sealed hub, 6-bolt disc
Rear hub Bombtrack Grad Boost, sealed hub, HG driver, 6-bolt disc
Thru-axles 15 x 110 mm front / 12 x 148 mm rear
Front rim WTB ST i29, double wall, TCS 2.0, 32h
Rear rim WTB ST i29, double wall, TCS 2.0, 32h
Saddle Seido Origin
Seatpost KS E20i dropper seatpost, 31.6 mm diameter, 150 mm travel, 474 mm length
Seat clamp Bombtrack Origin, 34.9 mm
Front tyre Kenda Hellcat Pro AEC 29" x 2.4", TLR, tubeless ready
Rear tyre Kenda Hellcat Pro AEC 29" x 2.4", TLR, tubeless ready
Fenders Not included
Rack Not included
Kickstand Not included
Lights Not included
Bike weight 13.8 kg (size M)
Frameset weight 2100 g frame (size L, incl. thru-axle and hanger)
Maximum system weight (rider + luggage) 140 kg including luggage
ASTM riding condition 4
Note Final product may vary in appearance, finish and minor details.

Frame standards & geometry

Frame standards & components

Item Details
Bottom bracket standard BSA – 73 mm shell width
Headset standard (S.H.I.S.) IS42 / 28.6 | IS52 / 40
Headset crown race angle 45°
Fork steerer inner diameter 24.6 mm
Maximum front tyre clearance (without fender) 27.5" x 2.8" / 29" x 2.6"
Maximum rear tyre clearance (without fender) 27.5" x 2.8" / 29" x 2.4"
Maximum chainring 1x 34 T with 52 mm chainline
Maximum chainring 2x - (not applicable)
Seatpost diameter 31.6 mm
Seat clamp diameter 34.9 mm
Front derailleur clamp diameter 34.9 mm
Front derailleur compatibility Yes
Front brake mount Post Mount 7"
Rear brake mount Post Mount 6"
Frame thickness at rear brake mount area -
Maximum front rotor 220 mm
Maximum rear rotor 180 mm
Front thru-axle 15 x 110 mm, 1.5 thread pitch
Rear thru-axle 12 x 148 mm, 1.5 thread pitch
ISO testing standard MTB
Crank length M: 170 mm / L–XL: 175 mm
Q-Factor 172 mm
Crank BCD Direct mount (Sram compatible)
Chainring offset 3 mm
Chainline 52 mm
Front spoke length 292 mm, 293 mm
Rear spoke length 294 mm, 292 mm
Spoke count (front / rear) 32 / 32
ERD 606 mm
Front hub PCD 58 mm
Rear hub PCD 58 mm
Front hub flange distance / offset 61.5 mm centre to centre / 3.4 mm
Rear hub flange distance / offset 58.3 mm centre to centre / 9.6 mm
Stem length 40 mm
Stem angle
Headset spacers 1 x 10 mm, 2 x 5 mm
Seatpost offset 0 mm
Seatpost length 474 mm, 150 mm travel
Bike trailer compatibility Approved
Seat tube child seat compatibility Approved
Derailleur hanger BT-DH-023
Frame small parts BT-CR-006 / BT-CR-008
Front hub end caps BT-HC-016
Rear hub end caps BT-HC-017
Cassette body BT-CB-006
Crankarm bolt -
Front thru-axle reference RockShox Maxle Stealth 15 x 110
Rear thru-axle reference BT-TA-R-604

Geometry (29" wheels)

Parameter M L XL
Wheel size 29" 29" 29"
Seat tube length (mm) 430 460 500
Effective top tube length (mm) 631 655 673
Seat tube angle 74.0° 73.5° 73.5°
Head tube angle 67.5° 67.5° 67°
Head tube length (mm) 120 130 140
BB drop (mm) 55 55 55
Chainstay length (mm) 440 440 449
Fork offset (mm) 44 44 44
Trail (mm) 108 108 111
Wheelbase (mm) 1171 1191 1225
Standover (mm) 789 808 828
Reach (mm) 453 469 484
Stack (mm) 619 628 635
Front center (mm) 737 756 781
Fork axle-to-crown (mm) 509 509 509
Minimum rider height (cm) 170 179 188
Maximum rider height (cm) 181 190 199

¹ Size recommendations based on rider height are general guidelines and should not replace a professional bike fit.
² Values refer to the standard factory build.

  • Brand
  • Reference
    BTCALSXEMBL
  • Condition
    New

  • Frame
    Adventure MTB
  • Wheel Size
    29''

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