The Bombtrack Munroe AL is an aluminium urban bike built for riders who want a light, simple, and versatile everyday bicycle. With 650B x 45C wheels, a Microshift 1x8 drivetrain, hydraulic disc brakes, and multiple mounting points for accessories, it is a strong option for commuting, city riding, and light mixed-surface weekend use.
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Bombtrack Munroe AL
The Bombtrack Munroe AL is the perfect entry point into the Bombtrack world: a light, intuitive and robust aluminium urban bike designed to get you around the city every day without taking the fun out of riding. A 650B platform with generous tyres, a comfortable riding position and a Microshift 1x8 drivetrain: get on, start pedalling and go, without complications.
6061-T6 triple-butted aluminium frame with mounts for rack, fenders and bottle cage.
Full-alloy fork with mounts for fenders, rack and triple cage, plus internal routing for a front light cable.
Microshift 1 x 8 drivetrain with 11–34 T cassette: simple, reliable and ideal for the city and beyond.
Clarks Clout hydraulic disc brakes with 160 mm rotors for confident braking in all conditions.
650B wheels with WTB ST i21 TCS 2.0 rims, tubeless ready, for durability and future upgrades.
Kenda Kwick Seven.5 650B x 45C tyres with high volume: comfort, grip and plenty of margin on cobbles, tram tracks and light gravel.
Matt Pebble Grey finish with a sober, premium look that works well with any bag or accessory setup.
If you want one bike that is more refined than the average city bike and ready to support your everyday riding, the Munroe AL – Matt Pebble Grey is an excellent, solid and versatile base.
Performance & Ideal Terrain
The Munroe AL starts life as an urban flat bar bike, but the frame’s generous tyre clearance and widespread mounting points make it much more than a simple city bike. It is agile in traffic, confident under sudden braking and versatile enough to handle easy gravel and cycle paths that are less than perfect.
How it rides
In the city: a fairly upright position, wide handlebar and 650B x 45C tyres make the bike easy to control around cars, tram tracks, drain covers and cobbles.
On cycle paths and light gravel: the tyre volume helps smooth out potholes and loose surfaces, giving the bike a stable and comfortable feel even outside the city centre.
On everyday climbs: the 34 / 11–34 T gearing lets you deal with urban ramps and overpasses without stress, even with a bit of load.
Where it performs best
Daily home-to-work commuting.
Urban rides, errands and multi-stop trips.
Weekend exploring on embankments, easy gravel and smooth white roads.
Recommended setups
Daily commuting: add fenders and a rear rack; make the most of the 45 mm tyres for fast but comfortable riding in every season.
Mixed city + light gravel use: keep the Kenda Kwick Seven.5 tyres, and consider converting the WTB ST i21 rims to tubeless for more grip and fewer punctures.
Bike utility / light cargo: fit frame bags, a rack and wired lights on the fork, thanks to the internal cable routing, to create a city bike that is ready for anything.
Independent Opinions & Technical Highlights
The Munroe AL is often described as the most accessible model in the range, yet with the ride quality of a true modern urban bike, thanks to the combination of a light frame and high-volume 650B tyres.
Many highlight how easy it is to ride and maintain, with a Microshift 1x8 drivetrain and Clarks Clout hydraulic disc brakes suited to intensive daily use.
The presence of multiple mounting points for racks, fenders and cages is often appreciated.
The WTB ST i21 TCS 2.0 rims are seen as an interesting technical plus on an urban bike, because they are tubeless ready and allow future upgrades without replacing the wheels.
Bombtrack Munroe AL Size Guide
Size
Minimum height (cm)
Maximum height (cm)
Notes
S
158
171
Ideal for riders between 158 and 171 cm who prefer a compact, agile bike.
M
169
182
The most versatile choice for everyday use and mixed commuting.
L
179
192
For taller riders who want a stable and more stretched position.
Height-based guidelines are there to help narrow the options. To find the right size, inseam, torso and arm length, flexibility and riding preferences also matter.
There is no single “perfect” size for everyone: the best approach is to start from this chart and then fine-tune the position and components such as stem, handlebar and saddle height based on how you ride.
Bikejamming advice
Not sure between two sizes, or wondering whether the Munroe AL could replace more than one bike you use in the city? Email us at info@bikejamming.it and tell us about your routes, surfaces and the accessories you need: we will help you choose the most sensible size, setup and upgrades for your real-world use.
Want a city bike that is not just “the usual city bike”?
The Bombtrack Munroe AL – Matt Pebble Grey is for you if you are looking for a bike that is simple to use but well thought out in the details, one that can take you to work every day, carry the shopping, get you around in the evening and maybe even help you escape the city at the weekend on a riverside cycle path.
Do you have doubts about sizing, accessories or how to turn it into your “ultimate” city bike? Email us at info@bikejamming.it: we can help you choose racks, fenders, bags, lights and small upgrades such as tyres, saddle and grips based on how you actually move through the city every day.
Ready to use the bike more and the car less? Configure your Munroe AL – Matt Pebble Grey and turn it into your new everyday vehicle.
1660 g frame (size M, incl. hanger) / 810 g fork (300 mm steerer tube)
Maximum system weight (rider + luggage)
110 kg including luggage
ASTM use condition
1
Note
The final product may vary in appearance, finish and minor details.
Construction Details & Geometry
Frame & Component Standards
Item
Details
Bottom bracket standard
BSA – 68 mm shell
Headset standard (S.H.I.S.)
EC34 / 28.6 | EC34 / 30
Headset crown seat angle
45°
Fork steerer inner diameter
24.6 mm
Maximum front tyre clearance (without fenders)
650B x 50C / 700C x 35C
Maximum rear tyre clearance (without fenders)
650B x 50C / 700C x 35C
Maximum chainring 1x
38 teeth with 45 mm chainline
Maximum chainring 2x
50 / 34 teeth with 45 mm chainline
Seatpost diameter
27.2 mm
Seatpost clamp diameter
31.8 mm
Front derailleur clamp diameter
31.8 mm
Front derailleur compatibility
Yes
Front brake mount
Post Mount 6"
Rear brake mount
Flat Mount 140 / 160
Frame thickness at rear brake mount area
26 mm
Maximum front rotor
180 mm
Maximum rear rotor
160 mm
Front thru-axle
- (QR)
Rear thru-axle
- (QR)
ISO test standard
Road
Crank length
S–M 170 mm / L 175 mm
Q-Factor
174 mm
Crank BCD
104 mm, 4-bolt
Chainring offset
0 mm
Chainline
49 mm
Front spoke length
273 mm, 274 mm
Rear spoke length
274 mm, 272 mm
Spoke count (front/rear)
32 / 32
Rim ERD
568 mm
Front hub PCD
58 mm
Rear hub PCD
58 mm
Front hub flange spacing / offset
56.5 mm center-to-center / 6.6 mm
Rear hub flange spacing / offset
51 mm center-to-center / 8.8 mm
Stem length
90 mm
Stem angle
-6°
Headset spacers
1 x 10 mm, 2 x 5 mm
Seatpost offset
24 mm
Seatpost length
300 mm
Bike trailer compatibility
Approved
Seat tube child seat compatibility
Not approved
Derailleur hanger
BT-DH-019
Frame small parts
BT-CR-007
Front hub end caps
BT-HC-013
Rear hub end caps
BT-HC-018
Freehub body
BT-CB-009
Crank bolt
-
Front axle (ref.)
-
Rear axle (ref.)
-
Geometry (650B wheels)
Parameter
S
M
L
Wheel format
650B
650B
650B
Seat tube length (mm)
490
520
550
Effective top tube length (mm)
540
563
588
Seat tube angle
73.0°
73.0°
73.0°
Head tube angle
70.5°
70.5°
70.5°
Head tube length (mm)
130
150
175
BB Drop (mm)
70
70
70
Chainstay length (mm)
440
440
440
Fork offset (mm)
45
45
45
Trail (mm)
74
74
74
Wheelbase (mm)
1025
1049
1075
Standover (mm)
766
790
816
Reach (mm)
368
385
403
Stack (mm)
565
583
607
Front center (mm)
595
619
645
Fork axle-to-crown (mm)
398
398
398
Minimum rider height (cm)
158
169
179
Maximum rider height (cm)
171
182
192
¹ Height-based size guidance is general advice and does not replace a professional bike fitting. ² Values refer to the stock production setup.
Frequently asked questions about the Bombtrack Munroe AL
Is the Bombtrack Munroe AL a city bike or a gravel bike?
The Bombtrack Munroe AL is designed as an urban flat bar bike. That said, the 650B wheels with 45C tyres, disc brakes and generous tyre clearance also make it suitable for rough cycle paths, smooth white roads and light gravel.
Is the Bombtrack Munroe AL good for daily commuting?
Yes. It is one of its most logical uses: low weight, intuitive riding position, simple 1x8 drivetrain, hydraulic brakes and mounts for fenders and racks make it very well suited to everyday commuting.
What tyres does the Bombtrack Munroe AL come with?
It comes standard with Kenda Kwick Seven.5 tyres in 650B x 45C front and rear.
Is the Bombtrack Munroe AL also compatible with 700C wheels?
Yes, the frame and fork are rated as compatible with 700C up to 35C without fenders. The bike is delivered as standard with 650B x 45C wheels, though: 700C is a frame compatibility, not the stock setup.
Can you fit fenders and racks to the Bombtrack Munroe AL?
Yes. The frame and fork have dedicated mounts for fenders and racks, plus additional mounting points on the fork. These accessories are not included as standard, though.
Can the Bombtrack Munroe AL be used for light bikepacking or weekend rides?
Yes, for light rides and mixed surfaces it is a very solid base. The mounts on the frame and fork help with fitting bags and cages, while the 45C tyres and tubeless-ready rims give you more margin on uneven terrain.
How much does the Bombtrack Munroe AL weigh?
The stated weight of the complete bike is 10.7 kg in size M.
Is the Bombtrack Munroe AL also suitable for riders who want a bike that is easy to maintain?
Yes. The Microshift 1x8 drivetrain is straightforward and simple to manage day to day, while the Clarks Clout hydraulic disc brakes are intended to provide safe braking in everyday urban use.
Brand
Reference
BTMALMPGS
Condition
New
Frame
Urban / Commuter
Wheel Size
27.5''
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