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2025 Opus

E-BIG CITY

A 650b aluminum frame commuter e-bike with mid-range components and shimano hydraulic disc brakes.
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Manufacturer Price

CA$2,999($2,172)
Weight43.7 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels650b Aluminum
Drivetrain1 × 9
GroupsetCUES
MotorShimano 250W 40Nm mid-drive
BatteryShimano 418Wh
BrakesShimano Hydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

E-BIG CITY

31 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full E-BIG CITY model range

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Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Geometry
Specs
Build
Frame

Lightweight 6061 aluminum frame

ColorStealth Black

Fork

Aluminum tapered 1-1/2 to 1-1/8 in

Bottom Bracket

N/A

Headset

FSA Orbit integrated sealed

Stem

Promax 70/80mm

Handlebar

Promax 620mm 35º backsweep

Saddle

Opus E-City

Seatpost

Promax 31.6 x 350mm

TypeRigid

Pedals

FPD NW-247

Groupset
Rear Derailleur

Shimano CUES U3020

Front Derailleur

N/A

Crank

Shimano FC-E5000

Shifters

Shimano CUES U4000 9

Cassette

Shimano 11-36

Chain

KMC eGlide EPT

Brakes

Shimano BR-MT201 hydraulic disc

TypeShimano Hydraulic Disc

Brake Levers

Shimano BL-MT201

Wheels
Rims

Weinnman U32 TL

Front Hub

Formula/Shimano

Rear Hub

Formula/Shimano

Tires

Kenda Kwick Seven.5 27.5 x 2.4

Electric Components
Motor

Shimano E-5000 250W 40Nm

Battery

Shimano E-8014 418Wh 36V 11.6Ah battery

Display

SC-E5000 Switch with integrated display

Rider Notes
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First added May 3

Last updated April 25

Not listed for 34 days