The Bombtrack Munroe SG is the drop-bar sister of the Munroe AL: an urban allroad bike with 650B wheels and generous tyre clearance, built to move fast in the city and confidently explore canal paths, park trails and rougher bike lanes.
- 6061-T6 triple butted aluminium frame with rack, fender and cage mounts.
- 6061 alloy fork with multiple mounts and internal routing for a front light.
- Microshift Advent 1x9 drivetrain with 11–46 T cassette and clutch rear derailleur.
- Tektro Mira mechanical disc brakes with 180 mm front and 160 mm rear rotors.
- 650B wheels with WTB ST i21 TCS 2.0 rims and Kenda Kwick Seven.5 650B x 45C tyres.
- Matt Metallic Olive finish for a subtle yet distinctive look.
If you want one bike for commuting, fitness rides and light gravel, the Munroe SG – Matt Metallic Olive delivers a clean, versatile platform that’s easy to upgrade and accessorise.
Independent Opinions & Technical Highlights
- The Munroe SG is often framed as an affordable drop-bar urban allroad, aimed at riders who want something quicker and more engaging than a typical flat-bar city bike.
- Reviewers highlight the mix of a triple-butted aluminium frame and 650B tyres for precise yet forgiving handling across city streets and light off-road shortcuts.
- The Microshift Advent 1x9 drivetrain with clutch rear derailleur is praised as robust, easy to use and well matched to the bike’s urban–gravel remit.
Bombtrack Munroe SG – Size Guide
| Size | Min. rider height (cm) | Max. rider height (cm) | Notes |
|---|
| S | 158 | 171 | For shorter riders who prefer a compact position. |
| M | 169 | 182 | The most versatile size for mixed commuting and weekend rides. |
| L | 179 | 192 | For taller riders who want stability and cockpit room. |
These height ranges are a starting point. Inseam, torso and arm length, flexibility and your preferred riding posture all matter when choosing size.
Bikejamming Size & Setup Support
Unsure between two sizes or thinking about using the Munroe SG as both a city and light gravel bike? Email us at info@bikejamming.it with your height, rough measurements and typical routes: we’ll help you choose the right size and spec for real-world use.
Need a Drop-Bar City Bike That Can Handle Dirt?
The Bombtrack Munroe SG – Matt Metallic Olive is for you if you want one bike to commute, train, head out in the evening and follow every little shortcut across parks and gravel paths.
Unsure about size, racks and fenders or useful upgrades (tubeless, bags, lights)? Get in touch at info@bikejamming.it: we’ll help you set up the Munroe SG around your daily riding, without unnecessary extras.
Ready to make your commute the best part of the day? Build your Munroe SG – Matt Metallic Olive and roll it straight into your routine.
SPECS
- Color: Matt metallic olive
- Frame: 6061-T6 triple butted aluminium, QR, rack/fender mounts, 68 mm BSA shell
- Fork: 6061 aluminium, QR, fender/rack/triple cage mounts, internal light cable routing
- Handlebar: Bombtrack CX-10 drop bar, 31.8 mm, 10° flare
- Grips: Bombtrack Control bar tape
- Stem: Seido Meander forged aluminium, -6°
- Headset: Neco H282 sealed external aheadset, 1 1/8"
- Levers / Shifter: Microshift Advent SB-M090 dual control, 1×9
- Brakes: Tektro Mira mechanical disc brakes
- Rotors: Tektro 180 mm front / 160 mm rear
- Crankset: Bombtrack AF19 aluminium, square taper
- Bottom Bracket: BSA sealed, 119 mm, square taper
- Pedals: Wellgo B109N
- Chain: KMC X9, 114 links
- Chainring: Forged steel narrow–wide, 40 T
- Cassette: Microshift CS-H093 9-speed, 11–46 T
- Rear Derailleur: Microshift Advent RD-M6195M, clutch
- Front Hub: Bombtrack Arc sealed, 6-bolt, hex key skewer
- Rear Hub: Bombtrack Arc sealed, 11-speed, 6-bolt, hex key skewer
- Rims: WTB ST i21, TCS 2.0, 32h
- Tyres: Kenda Kwick Seven.5, 650B × 45C
- Saddle: Bombtrack Fuzz
- Seatpost: Bombtrack Beech, 27.2 × 315 mm
- Seat Clamp: Bombtrack Origin 31.8 mm
- Weight: 11.9 kg (size M)
- Frameset Weight: 1660 g frame (M incl. hanger) / 810 g fork (300 mm steerer)
- Max Rider Weight: 110 kg incl. luggage
- ASTM Riding Condition: 1
Build Infos
- BB standard: BSA, 68 mm
- Headset standard (S.H.I.S.): EC34/28.6 | EC34/30
- Crown race angle: 45°
- Fork steerer I.D.: 24.6 mm
- Fork max tyre clearance (no fenders): 650B × 50C / 700C × 35C
- Frame max tyre clearance (no fenders): 650B × 50C / 700C × 35C
- Max chainring 1x: 38 T with 45 mm chainline
- Max chainring 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
- FD compatible: yes
- Brake mount front: PM 6"
- Brake mount rear: FM 140/160
- Max rotor front: 180 mm
- Max rotor rear: 160 mm
- ISO testing standard: Road
- Crankarm length: S–M 170 mm / L 175 mm
- Q-Factor: 170 mm
- BCD: 130 mm, 5-bolt
- Chainring offset: 0 mm
- Chainline: 45 mm
- Spoke length front: 273 mm, 274 mm
- Spoke length rear: 274 mm, 272 mm
- Spoke count (F/R): 32 / 32
- ERD: 568 mm
- Front hub PCD: 58 mm
- Rear hub PCD: 58 mm
- Front hub flange distance: 56.5 mm / offset 6.6 mm
- Rear hub flange distance: 51 mm / offset 8.8 mm
- Stem length: XS–S 80 mm / M 90 mm / L–XL 100 mm
- Stem angle: -6°
- Headset spacers: 1 × 10 mm, 2 × 5 mm
- Seatpost offset: 24 mm
- Seatpost length: 315 mm
- Bike trailer: approved
- Seat tube 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
Geometry
| Size | S | M | L |
|---|
| Wheel size | 650B | 650B | 650B |
| Seat tube | 490 | 520 | 550 |
| Horizontal TT | 540 | 563 | 588 |
| Seat angle | 73° | 73° | 73° |
| Head angle | 70.5° | 70.5° | 70.5° |
| Headtube | 130 | 150 | 175 |
| BB drop | 70 | 70 | 70 |
| Chainstay | 440 | 440 | 440 |
| Fork offset | 45 | 45 | 45 |
| Trail | 74 | 74 | 74 |
| Wheelbase | 1025 | 1049 | 1075 |
| Standover | 766 | 790 | 816 |
| Reach | 368 | 385 | 403 |
| Stack | 565 | 583 | 607 |
| Front center | 595 | 619 | 645 |
| Axle to crown | 398 | 398 | 398 |
| Min rider height | 158 cm | 169 cm | 179 cm |
| Max rider height | 171 cm | 182 cm | 192 cm |
Size recommendation is indicative; a proper fit requires personalized measurements.