The Bombtrack Munroe AL is the most accessible way into the Bombtrack line-up: a light, robust aluminium urban bike that feels easy to ride from day one. Built around a 650B platform with high-volume tyres, a comfortable upright position and a simple 1x8 Microshift drivetrain, it’s made to get you across town with zero hassle.
- 6061-T6 triple butted aluminium frame with rack, fender and bottle cage mounts.
- Full alloy fork with fender, rack and triple cage mounts plus internal routing for a front light.
- Microshift 1 x 8 drivetrain with 11–34 T cassette: simple, durable and ideal for city use and everyday riding.
- Clarks Clout hydraulic disc brakes with 160 mm rotors for reliable stopping in all weather.
- 650B wheels with WTB ST i21 TCS 2.0 rims, tubeless ready and future-proof.
- Kenda Kwick Seven.5 650B x 45C tyres for comfort, grip and confidence on rough tarmac and light gravel.
- Matt Pebble Grey finish with a clean, premium look that pairs nicely with racks, bags and accessories.
If you want a city bike that feels a step above the usual generic options and offers a solid, adaptable platform for daily riding, the Munroe AL – Matt Pebble Grey is a very smart choice.
Independent Opinions & Technical Highlights
- The Munroe AL is frequently described as the most affordable model in the Munroe line, yet offering a genuinely modern urban ride thanks to its light aluminium frame and big-volume 650B tyres.
- Riders highlight how easy it is to ride and look after, with a simple Microshift 1x8 drivetrain and Clarks Clout hydraulic disc brakes suited to daily use.
- The abundance of mounting points for racks, fenders and cages is often mentioned as a key advantage over typical flat-bar city bikes in this price range.
- WTB ST i21 TCS 2.0 rims are seen as a nice technical upgrade on an urban bike, being tubeless ready and robust enough for rougher city riding and light touring.
Bombtrack Munroe AL – Size Guide
| Size | Min. rider height (cm) | Max. rider height (cm) | Notes |
| S |
158 |
171 |
Ideal for shorter riders who like a compact, agile bike. |
| M |
169 |
182 |
The most versatile choice for mixed commuting and everyday rides. |
| L |
179 |
192 |
For taller riders wanting a stable, slightly more stretched position. |
These height-based suggestions are general guidelines. Inseam, torso and arm length, flexibility and personal preferences all play a role in finding your ideal size.
There’s no single “perfect” size for everyone: use this table as a starting point, then fine-tune stem, bar and saddle position to match how you actually ride.
Bikejamming Size & Setup Support
Unsure between two sizes or wondering if the Munroe AL can replace several bikes in your daily use? Email us at info@bikejamming.it with details about your routes, surfaces and required accessories: we’ll help you pick the right size, configuration and upgrades for your real-world riding.
Looking for a City Bike That Feels a Bit More Special?
The Bombtrack Munroe AL – Matt Pebble Grey is for you if you want a simple, easy-to-ride bike that’s still well thought out: something you can rely on for commuting, errands, evening rides and spontaneous weekend escapes along the nearest bike path.
Not sure about size, accessories or how to turn it into your “do-everything” city bike? Get in touch at info@bikejamming.it: we’ll help you choose racks, fenders, bags, lights and useful upgrades (tyres, saddle, grips) tailored to your everyday riding.
Ready to use the bike more and the car less? Set up your Munroe AL – Matt Pebble Grey and make it your new daily transport.
Technical Specifications – Bombtrack Munroe AL
| Component | Details |
| Model |
Munroe AL |
| Colour |
Matt pebble grey |
| Frame |
6061-T6 triple butted aluminium, QR, rack / fender mounts, 68 mm BSA shell |
| Fork |
6061 aluminium, QR dropouts, with fender / rack / triple cage mounts, internal light cable routing |
| Handlebar |
Bombtrack Origin flat bar, 31.8 mm, 8° backsweep |
| Grips |
Bombtrack Scroll grips |
| Stem |
Seido Meander forged aluminium stem, -6° |
| Headset |
Neco H282 sealed external aheadset, 1 1/8" |
| Brake levers |
Clarks Clout hydraulic brake levers |
| Shifter |
Microshift TS39-8 shifter, 1 x 8 |
| Brakes |
Clarks Clout post mount hydraulic disc brake |
| Rotors |
Clarks Clout 160 mm rotors |
| Crankset |
Bombtrack Aude aluminium crank, square taper |
| Bottom bracket |
BSA sealed BB, 119 mm, square taper |
| Pedals |
Wellgo B109N flat pedal |
| Chain |
KMC X8 chain, 1/2" x 3/32" |
| Chainring |
Forged steel, 34 T |
| Cassette |
Microshift CS-H81 8-speed, 11–34 T |
| Front derailleur |
- (not included) |
| Rear derailleur |
Microshift RD-M36S |
| Front hub |
Bombtrack Arc sealed hub, 6-bolt disc, hex key skewer |
| Rear hub |
Bombtrack Arc sealed hub, 11-speed, 6-bolt disc, hex key skewer |
| Thru-axles |
- (QR front and rear) |
| Front rim |
WTB ST i21 double wall, TCS 2.0, 32h |
| Rear rim |
WTB ST i21 double wall, TCS 2.0, 32h |
| Saddle |
Bombtrack Fuzz saddle |
| Seatpost |
Bombtrack Beech 27.2 mm x 300 mm |
| Seat clamp |
Bombtrack Origin 31.8 mm |
| Front tyre |
Kenda Kwick Seven.5 650B x 45C |
| Rear tyre |
Kenda Kwick Seven.5 650B x 45C |
| Fenders |
Not included |
| Rack |
Not included |
| Kickstand |
Not included |
| Lights |
Not included |
| Bike weight |
10.7 kg (size M) |
| Frameset weight |
1660 g frame (size M, incl. hanger) / 810 g fork (300 mm steerer) |
| Maximum rider system weight |
110 kg including luggage |
| ASTM riding condition |
1 |
| Note |
Final product may vary in appearance, finish and minor details. |
Frame Standards & Geometry
Frame & Component Standards
| Item | Details |
| BB standard |
BSA – 68 mm shell width |
| Headset standard (S.H.I.S.) |
EC34 / 28.6 | EC34 / 30 |
| Headset crown race angle |
45° |
| Fork steerer inner diameter |
24.6 mm |
| Max front tyre clearance (no fender) |
650B x 50C / 700C x 35C |
| Max rear tyre clearance (no fender) |
650B x 50C / 700C x 35C |
| Maximum chainring size 1x |
38 T with 45 mm chainline |
| Maximum chainring size 2x |
50 / 34 T with 45 mm chainline |
| Seatpost diameter |
27.2 mm |
| Seat clamp diameter |
31.8 mm |
| Front derailleur clamp diameter |
31.8 mm |
| Frame front derailleur compatible |
Yes |
| Front brake mount |
Post Mount 6" |
| Rear brake mount |
Flat Mount 140 / 160 |
| Frame thickness rear brake mount |
26 mm |
| Maximum rotor size front |
180 mm |
| Maximum rotor size rear |
160 mm |
| Front thru-axle |
- (QR) |
| Rear thru-axle |
- (QR) |
| ISO testing standard |
Road |
| Crankarm 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 |
| ERD |
568 mm |
| Front hub PCD |
58 mm |
| Rear hub PCD |
58 mm |
| Front hub flange distance / offset |
56.5 mm centre to centre / 6.6 mm |
| Rear hub flange distance / offset |
51 mm centre to centre / 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 |
Approved |
| Seat tube mounted child seat |
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 |
| Cassette body |
BT-CB-009 |
| Crankarm bolt |
- |
| Front thru-axle reference |
- |
| Rear thru-axle reference |
- |
Geometry (650B wheels)
| Parameter | S | M | L |
| Wheel size |
650B |
650B |
650B |
| Seat tube length (mm) |
490 |
520 |
550 |
| Horizontal 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 centre (mm) |
595 |
619 |
645 |
| Axle-to-crown (fork) (mm) |
398 |
398 |
398 |
| Minimum rider height (cm) |
158 |
169 |
179 |
| Maximum rider height (cm) |
171 |
182 |
192 |
¹ Size recommendations based on rider height are general guidelines and should not replace a professional bike fit.
² Values refer to the stock factory build.
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