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. 

METALLIC DARK GREEN

HIGHLIGHTS

  • FRAME

    Aluminium frame with cage, rack and fender mounts.

  • LIGHTS

    Hub dynamo with Sate-lite C4 head lamp and M12 tail light.

  • DRIVETRAIN

    Microshift Sword 2 x 10 wide-range groupset with clutched rear derailleur.

  • FENDERS

    Bombtrack Ward aluminium fenders.

  • RACK

    Bombtrack Dive rear rack included.

  • RIMS

    Tubeless ready WTB ST i21 double wall rims.

"It's made for the grind, jump on and get the job done, all year round, week after week"

SPECIFICATIONS

ModelMUNROE SG COMMUTER
Color 1Metallic dark green
Color 2-
Color 3-
Frame6061-T6 triple butted aluminium, QR, rack / fender mounts, 68 mm BSA shell
Fork6061 aluminium, QR dropouts, with fender / rack / triple cage mounts,
internal light cable routing
HandlebarSeido CX-10 drop bar, 31.8 mm, 10° flare
GripsBombtrack Control bar tape
StemSeido Meander forged aluminium stem, -6°
HeadsetNeco H282 sealed external headset, 1.1/8''
LeversMicroshift Sword SB-G7000 dual control lever mechanic
ShifterMicroshift Sword SB-G7000 dual control lever 2 x 10
BrakesTektro Mira post mount mechanic disc brakes
RotorTektro 180 mm front and 160 mm rear rotor
CranksetBombtrack Ames forged aluminium crank, 24 mm spindle
BBSeido BSA sealed BB, external cups
PedalsWellgo B109N flat pedal
ChainKMC X10 chain, 1/2'' x 11/128'', 114L
ChainringAluminium / Steel, 48 / 32 T
CassetteMicroshift CS-H105 10-speed, 11 - 38 T
Front derailleurMicroshift Sword FD-G7020-F
Rear derailleurMicroshift Sword RD-G7025L, clutch, long cage
Front hubKT dynamo hub, 6-bolt disc, hex key skewer
Rear hubSeido Arc sealed hub, 11-speed, 6-bolt disc, hex key skewer
Through axle-
Front rimWTB ST i19 double wall, TCS 2.0, 32h
Rear rimWTB ST i19 double wall, TCS 2.0, 32h
SaddleSeido Origin saddle
Seat postSeido Yew Offset 27.2 mm x 355 mm
Seat clampBombtrack Prime 31.8 mm
Front tireKenda Kwick Seven.5 650B x 45C
Rear tireKenda Kwick Seven.5 650B x 45C
FenderBombtrack Ward aluminium fenders, 55 mm
RackBombtrack Dive rear rack, aluminium
Kickstand-
LightSate-lite C4 40 lux front light, M12 rear light
Weighttba
Weight frameset1660 g frame (size M, incl. hanger) / 810 g fork (300 mm steerer)
Maximum rider weight110 kg incl. luggage
ASTM riding condition1
 

Final product may vary in appearance, finish and minor details.

BUILD INFOS

ModelMUNROE SG COMMUTER
BB standardBSA - 68 mm shell width
Headset standard (S.H.I.S.)EC34 / 28.6 | EC34 / 30
Headset crown race angle45°
Fork steerer inner diameter24.6 mm
Fork max tire clearance w/o fender650B x 50C / 700C x 35C
Frame max tire clearance w/o fender650B x 50C / 700C x 35C
Maximum chainring clearance 1x38 T with 45 mm chainline
Maximum chainring clearance 2x50 / 34 T with 45 mm chainline
Seat post diameter27.2 mm
Seat clamp diameter31.8 mm
Front derailleur clamp diameter31.8 mm
Frame front derailleur compatibleyes
Brake mount frontPM 6''
Brake mount rearFM 140 / 160
Frame thickness rear brake mount
Maximum rotor clearance front180 mm
Maximum rotor clearance rear160 mm
Front through axle-
Rear through axle-
ISO testing standardRoad
CrankarmS - M 170 mm / L 175 mm
Q Factor170 mm
BCD crank104 mm / 64 mm, 4 bolts
Chainring offset0 mm
Chainline45 mm
Spoke length front wheel273 mm, 274 mm
Spoke length rear wheel274 mm, 272 mm
Spoke count (front / rear)32 / 32
ERD568 mm
Front hub PCD58 mm
Rear hub PCD58 mm
Front hub flange distance / offset56.5 mm center to center / 6.6 mm
Rear hub flange distance / offset51 mm center to center / 8.8 mm
Stem lengthS 80 mm / M 90 mm / L 100 mm
Stem angle-6°
Headset spacers1 x 10 mm, 2 x 5 mm
Seat post offset23 mm
Seat post length355 mm
Bike trailerapproved
Seat tube mounted child seatnot approved
Derailleur hangerBT-DH-019
Frame small partsBT-CR-007
Hub end caps frontBT-HC-013
Hub end caps rearBT-HC-018
Cassette bodyBT-CB-009
Crankarm bolt-
Through axle front-
Through axle rear-
 

GEOMETRY

 

FRAME GEOMETRY

ModelMUNROE SG COMMUTER
Bike SizeSML
Wheel size700C700C700C
Seat Tube Length490520550
Horizontal TT length540563588
Seat Angle73.0°73.0°73.0°
Head Angle70.5°70.5°70.5°
Headtube Length130150175
BB Drop707070
Chainstay Length440440440
Fork Offset454545
Trail747474
Wheelbase Length102510491075
Standover766790816
Reach368385403
Stack565583607
Front Center595619645
Axle to Crown398398398
Minimum rider height ¹158016901790
Maximum rider height ¹171018201920
 

¹ Our bike size recommendation generally represents a rough guideline for quickly narrowing down the sizes from which to choose based on the body height. Bike fitting is a complex topic and other measurements and factors have to be accounted for as well. Since no two human bodys are exactly the same it is not possible to give a 100% correct advice for everyone. Therefore Bombtrack cannot guarantee for the stated recommendations to be correct for every individual customer. The best way to work out the correct size is to consult a local Bombtrack dealer or a professional bike fitter and have them determine the needed size.

HANDLEBAR GEOMETRY

ModelMUNROE SG COMMUTER
Bike SizeSML
Handlebar typeDropbarDropbarDropbar
Width (drops)420440440
Width (barends)466486486
Reach757575
Flare10°10°10°
Backsweep---
Drop116116116
Upsweep---
Rise---
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