Munroe SG Commuter
"It's made for the grind, jump on and get the job done, all year round, week after week"
Bombtrack Munroe SG Commuter
Meet the Munroe SG Commuter - a drop bar bike built to elevate your daily ride. With a lightweight aluminium frame and fork equipped with cage, rack, and fender mounts, it’s ready for year round commuting in any weather. Integrated lighting powered by a hub dynamo keeps you visible and safe without the hassle of charging. The Microshift Sword 2x10 wide-range drivetrain with a clutched rear derailleur delivers smooth, reliable shifting across varied terrain. Bombtrack’s own Ward aluminum fenders and Dive rear rack come standard, offering full coverage and load-carrying capability. Rolling on tubeless-ready WTB ST i21 double-wall rims, the Munroe SG Commuter is practical, durable, and purpose-built for everyday efficiency with drop bar speed and control.
Frame & Fork
- Color: Metallic dark green
- 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
Drivetrain & Shifting
- Shifter: Microshift Sword SB-G7000 dual control lever 2 x 10
- Front derailleur: Microshift Sword FD-G7020-F
- Rear derailleur: Microshift Sword RD-G7025L, clutch, long cage
- Chain: KMC X10 chain, 1/2'' x 11/128'', 114L
- Cassette: Microshift CS-H105 10-speed, 11 - 38 T
- Crankset: Bombtrack Ames forged aluminium crank, 24 mm spindle
- Chainring: Aluminium / Steel, 48 / 32 T
- Bottom bracket: Seido BSA sealed BB, external cups
- Pedals: Wellgo B109N flat pedal
Wheels & Tires
- Front hub: KT dynamo hub, 6-bolt disc, hex key skewer
- Rear hub: Seido Arc sealed hub, 11-speed HG body, 6-bolt disc, hex key skewer
- Front rim: WTB ST i19 double wall, TCS 2.0, 32h
- Rear rim: WTB ST i19 double wall, TCS 2.0, 32h
- Front tire: Kenda Kwick Seven.5 45-584
- Rear tire: Kenda Kwick Seven.5 45-584
Cockpit
- Handlebar: Seido CX-10 drop bar, 31.8 mm, 10° flare
- Grips: Bombtrack Control bar tape
- Stem: Seido Meander forged aluminium stem, -6°
- Headset: Neco H282 sealed external headset, 1.1/8''
Seats & Seatpost
- Seat: Seido Origin seat
- Seat post: Seido Yew Offset 27.2 mm x 355 mm
- Seat clamp: Bombtrack Prime 31.8 mm
Brakes
- Brake levers: Microshift Sword SB-G7000 dual control lever mechanic
- Brakes: Tektro Mira post mount mechanic disc brakes
- Rotors: Tektro 180 mm front and 160 mm rear rotor
Weight & Limits
- Complete weight: 13.8 kg (size M)
- Weight frame: 1660 g frame (size M, incl. hanger)
- Weight fork: 810 g fork (300 mm steerer)
- Maximum rider weight: 110 kg incl. luggage
- ASTM riding condition: 1
Accessories
- Fender: Bombtrack Ward aluminium fenders, 55 mm
- Rack: Bombtrack Dive rear rack, aluminium
- Light: Sate-lite C4 40 lux front light, M12 rear light
Meet the Munroe SG Commuter - a drop bar bike built to elevate your daily ride. With a lightweight aluminium frame and fork equipped with cage, rack, and fender mounts, it’s ready for year round commuting in any weather. Integrated lighting powered by a hub dynamo keeps you visible and safe without the hassle of charging. The Microshift Sword 2x10 wide-range drivetrain with a clutched rear derailleur delivers smooth, reliable shifting across varied terrain. Bombtrack’s own Ward aluminum fenders and Dive rear rack come standard, offering full coverage and load-carrying capability. Rolling on tubeless-ready WTB ST i21 double-wall rims, the Munroe SG Commuter is practical, durable, and purpose-built for everyday efficiency with drop bar speed and control.
Frame
- BB standard: BSA - 68 mm shell width
- Frame max tire clearance w/o fender:
50-584 / 35-622 - Frame front derailleur compatible: yes
- Front derailleur clamp diameter: 31.8 mm
- Brake mount rear: FM 140 / 160
- Maximum rotor clearance rear: 160 mm
- Frame thickness rear brake mount: 26 mm
- Bike trailer: approved
- Seat tube mounted child seat: not approved
- ISO testing standard: Road
Fork
- Fork max tire clearance w/o fender:
50-584 / 35-622 - Fork steerer inner diameter: 24.6 mm
- Headset standard (S.H.I.S.):
EC34 / 28.6 | EC34 / 30 - Headset crown race angle: 45°
- Brake mount front: PM 6''
- Maximum rotor clearance front: 180 mm
Drivetrain
- Maximum chainring clearance 1x:
38 T with 45 mm chainline - Maximum chainring clearance 2x:
50 / 34 T with 45 mm chainline - Crankarm:
S - M 170 mm
L 175 mm - Q Factor: 170 mm
- BCD crank: 104 mm / 64 mm, 4 bolts
- Chainring offset: 0 mm
- Chainline: 45 mm
Seat & Seatpost
- Seat post diameter: 27.2 mm
- Seat post offset: 23 mm
- Seat post length: 355 mm
- Seat clamp diameter: 31.8 mm
Cockpit
- Stem length:
S 80 mm
M 90 mm
L 100 mm - Stem angle: -6°
- Headset spacers: 1 x 10 mm, 2 x 5 mm
Wheels
- Spoke length front wheel:
273 mm, 274 mm - Spoke length rear wheel:
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 center to center / 6.6 mm - Rear hub flange distance / offset:
51 mm center to center / 8.8 mm
Spare Parts
- Derailleur hanger: BT-DH-019
- Frame small parts: BT-CR-007
- Hub end caps front: BT-HC-013
- Hub end caps rear: BT-HC-018
- Cassette body: BT-CB-009