Opus BIG CITY LRT 2021
2021 Urban
Estimate price |
760$
Weight | 12.47 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650b -
Groupset Acera, Alivio -
Suspension Rigid -
Drivetrain 1 × 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 Acera
Front Derailleur
N/A
Shift Levers
Shimano Alivio 1x9
Cassette
Shimano 11-36
Crank
Prowheel
Bottom Bracket
Shimano sealed cartridge
Chain
KMC-X9 Eco Protect
Pedals
FPD NW-247
Wheels
Front Hub
Joytech 5mm key release
Rear Hub
Joytech 5mm key release
Rims
Weinmann U28 650
Tires
Kenda Kwick Seven.5 K-Shield 650 x 45
Brakes
Brakes
Tektro HD-T275 hydraulic disc
Brake Levers
Tektro
Cockpit
Stem
Promax
Handlebar
Alloy butted 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 |
About this model
BIG CITY LRT is an Opus Big City model. There are 9 bikes that carry this model name. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
Opus BIG CITY 2 2021 is the most affordable bike of this model and has a price of 614$. On the other hand, Opus BIG CITY LRT 2021, is the most expensive and costs 759$.
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
If you want to purchase a solid Commuter bike, it is important to know that the average cost is 762$. However, this doesn’t mean that if you spend less money on a Commuter bike, you couldn’t get a decent one. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Furthermore, this bike was made available in 2021 for 759$. Comparing this to the average Commuter bike price, we see that the price is 0.4% lower.
Average weight for Commuter bikes
On a deeper look, we notice that the average weight of a Commuter bike is 14.29 kg (31.5 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
considerably lighter than average, BIG CITY LRT has a weight of 12.47 kg (27.49 lbs). To sum up, it’s 14.6% lighter than the average weight of Commuter bikes.
Overview of components
Fork material
BIG CITY LRT has an aluminum fork, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels size
As for the wheels, Opus BIG CITY LRT 2021, has a aluminum model. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, if speed is what you’re after, 700c wheels are a better fit.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The BIG CITY LRT comes 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
Opus BIG CITY LRT bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.