Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Groupset Altus, Shimano -
Suspension Rigid -
Drivetrain 3 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Meta 20 aluminum
Suspension Fork
Aluminum tapered 1-1/4 to 1-1/8 in
Drivetrain
Rear Derailleur
Shimano Altus
Front Derailleur
Shimano Altus
Shift Levers
Shimano ST-EF505 3x9
Cassette
Shimano 11-28
Crank
Shimano FC-MT101
Bottom Bracket
Shimano sealed cartridge
Chain
KMC-Z9
Pedals
FPD NW-247
Wheels
Front Hub
Joytech
Rear Hub
Joytech
Rims
Weinmann U28 650
Tires
Kenda Kwick Seven.5 650 x 45
Brakes
Brakes
Shimano BR-MT200 hydraulic disc
Brake Levers
Shimano
Cockpit
Stem
Promax
Handlebar
Alloy 12 mm rise
Headset
FSA Orbit integrated sealed
Seat
Saddle
Opus City
Seatpost
Promax alloy 27.2 x 300
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm |
| Stack | 557 mm | 572 mm | 587 mm | 602 mm | 617 mm |
| Reach | 372 mm | 382 mm | 392 mm | 402 mm | 412 mm |
| Top Tube Length | 527 mm | 547 mm | 567 mm | 587 mm | 607 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73.5 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 380 mm | 420 mm | 460 mm | 500 mm | 540 mm |
| Head Tube Angle | 71 ° | 71.25 ° | 71.5 ° | 71.75 ° | 72 ° |
| Head Tube Length | 148 mm | 163 mm | 183 mm | 198 mm | 213 mm |
| Chainstay Length | 437 mm | 442 mm | 442 mm | 442 mm | 447 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 60 mm | 60 mm | 60 mm |
| Standover Height | 723 mm | 749 mm | 780 mm | 805 mm | 831 mm |
| Wheels | 650 | 650 | 650 | 650 | 650 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
BIG CITY is an Opus Big City model. There are 9 bikes that carry this model name. Take a sneak peek at all Opus Big City bikes models from 2023, by clicking here.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Commuter bikes average price
According to our calculations, the average cost of a Commuter bike that is reliable is 762$. However, this doesn’t mean that if you spend less money on a Commuter bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Commuter bikes average weight
The average weight for Commuter bikes is 13.77 kg (30.36 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
Weighing 11.88 kg (26.19 lbs), the BIG CITY model is much lighter than average. To sum up, it’s 15.91% lighter than the average weight of Commuter bikes.
BIG CITY components
Fork material
The fork is made out of aluminum, which doesn’t add too much extra weight to the bike. However, it is not so stiff as steel or carbon forks are.
Wheels
When it comes to wheels, the BIG CITY bike is equipped with the aluminum model. After 700c wheels, 650b is the second most popular choice for road bikes. However, if you want higher speeds, you should look for a bike with 700c wheels.
Brakes
Nothing is more important on a bike than its ability to brake properly. Opus BIG CITY is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Sizes
This bike is available in 5 sizes. They vary from 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, you can easily find one that suits you.