2023 Opus

E-BIG CITY

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

CA$3,484($2,618)
Weight43.6 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels650b Aluminum
Drivetrain1 × 9
GroupsetCUES, Shimano
BrakesHydraulic 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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Price History
Reviews
Canadian Cycling Magazine
Review: Opus E-Big City

Jul 2021 · Lily Hansen-Gillis

Can an ebike make commuting more fun?

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Meta 30 Alloy

BB StandardSTEPS, Press Fit

ColorStealth Black

Fork

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

Bottom Bracket

Shimano STePS E-5000

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

Crank

Shimano STePS

Shifters

Shimano CUES U4000 9

Cassette

Shimano 11-36

Chain

KMC eGlide EPT

Brakes

Shimano BR-MT201 hydraulic disc

TypeHydraulic 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

Rider Notes
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Last updated June 29