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2022 Opus

BIG CITY 2

A 650b aluminum frame commuter bike with mid-range components and tektro mechanical disc brakes.
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Weight28.1 lbs  
FrameAluminum
SuspensionRigid
ForkSteel
Wheels650b Aluminum
Drivetrain3 × 8
GroupsetTourney
BrakesTektro Mechanical 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)

31 mph

BIG CITY 2

31 mph

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Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

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Geometry
Specs
Build
Frame

Meta 20 aluminum

Fork

Steel tapered 1-1/4 to 1-1/8 in

Bottom Bracket

Neco cartridge

Headset

FSA Orbit integrated sealed

Stem

Promax

Handlebar

Alloy 12 mm rise

Saddle

Opus City

Seatpost

Promax alloy 27.2 x 300

TypeRigid

Pedals

FPD NW-247

Groupset
Rear Derailleur

Shimano Tourney

Front Derailleur

Shimano Tourney

Crank

Shimano FC-TY301

Shifters

Shimano ST-EF500 3x8

Cassette

Shimano 11-30

Chain

KMC-Z8.3

Brakes

Tektro MD-M280 mechanical disc

TypeTektro Mechanical Disc

Brake Levers

Shimano

Wheels
Rims

Weinmann U28 650

Front Hub

Joytech

Rear Hub

Joytech

Tires

Kenda Kwick Seven.5 650 x 45

Accessories
Racks

Front and rear-rack and fender ready

Rider Notes
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First added January 14

Last updated March 4

Not listed for 1,182 days