An investment in healthier urban transport. The affordable Munroe AL is a radical commuter built around a light aluminium frame, simple single-chainring drivetrain, and broad 650B tyres. Easy to ride and keep rolling, its wide handlebar provides plenty of leverage, while disc brakes call a halt as soon as you pull their levers. Like all Bombtrack bikes, it’s adaptable, able to accommodate multiple luggage configurations, and fun enough you’ll want to ride it at the weekend too.
Color 1 | Matt Pewter |
Color 2 | – |
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 LOCK 145 mm grips |
Stem | BOMBTRACK ROAM forged aluminium stem, -7° |
Headset | NECO H282 sealed external aheadset, 1.1/8” |
Levers | SHIMANO BL-M200 hydraulic brake levers |
Shifter | MICROSHIFT TS39-8 8-speed shift lever |
Brakes | SHIMANO BR-MT200 post mount hydraulic disc brake with 160 mm rotors |
Crankset | BOMBTRACK AUDE aluminium crank, square taper |
BB | BSA sealed BB, 119 mm, square taper |
Pedals | WELLGO B109N flat pedal |
Chain | KMC X8 chain, 1/2″ x 3/32″ |
Chainring | steel, 34 T |
Cassette | MICROSHIFT CS-H82 8-speed, 11 – 34 T |
Front derailleur | – |
Rear derailleur | MICROSHIFT RD-M36S |
Front hub | BOMBTRACK ARC sealed, 6-bolt disc hub, QR axle |
Rear hub | BOMBTRACK ARC sealed hub, 11-speed, 6-bolt disc, QR axle |
Front rim | WTB ST i21 double wall, TCS 2.0, 32h |
Rear rim | WTB ST i21 double wall, TCS 2.0, 32h |
Saddle | BOMBTRACK ORIGIN Saddle |
Seat post | BOMBTRACK BEECH aluminium seatpost, 27.2 mm x 300 mm |
Seat clamp | BOMBTRACK ORIGIN forged aluminium seat clamp, 31.8 mm |
Front tire | KENDA KWICK SEVEN.5 650B x 45C |
Rear tire | KENDA KWICK SEVEN.5 650B x 45C |
Fender | – |
Rack | – |
Light | – |
Weight | 10.7 kg (size M) |
Weight frameset | 1660 g frame (size M, incl. hanger) 810 g fork (300 mm steerer) |
Maximum rider weight | 110 kg incl. luggage |
ASTM riding condition | 1 |
BB Standard | BSA – 68 mm shell width |
Headset Standard (S.H.I.S.) | EC34 / 28.6 | EC34 / 30 |
Fork Max Tire Clearance w/o fender | 650B x 50C / 700C x 35C |
Frame Max Tire Clearance w/o fender | 650B x 50C / 700C x 35C |
Maximum chainring clearance 1x | 40 T with 45 mm chainline |
Maximum chainring clearance 2x | 52 / 38 T with 45 mm chainline |
Seat Post Diameter | 27.2 mm |
Seat clamp diameter | 31.8 mm |
Brake mount front | PM |
Brake mount rear | FM |
Maximum rotor clearance front | 180 mm |
Maximum rotor clearance rear | 160 mm |
Front through axle | – |
Rear through axle | – |
Derailleur hanger | BT-DH-019 |
ISO testing standard | Road |
Crankarm | S – M 170 mm / L 175 mm |
Q Factor | 174 mm |
BCD crank | 104 mm, 4 bolt |
Chainline | 49 mm |
Spoke length front wheel | tba |
Spoke length rear wheel | tba |
Spoke count (front / rear) | 32 / 32 |
ERD | 568 mm |
Front hub PCD | 58 mm |
Rear hub PCD | 58 mm |
Stem Length | 90 mm |
Stem angle | -7° |
Headset Spacers | 1 x 10 mm, 2 x 5 mm |
Seat post offset | 24 mm |
Seat post length | 300 mm |