Polygon ZETA 2 2020
2020 Urban
Estimate price |
579$
Weight | 12.8 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 20" -
Groupset Tiagra -
Suspension Rigid -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
AL6 MINIVELO FRAME 20"
Suspension Fork
ALLOY RIGID FORK
Rear Shock
-
Drivetrain
Rear Derailleur
SHIMANO TIAGRA RD-4700 DIRECT ATTACH
Shift Levers
SHIMANO TIAGRA SL-4700, 1x10-SPEED RAPIDFIRE
Cassette
SHIMANO CS-HG500 11-34T
Crank
ALLOY 48T 170MM
Bottom Bracket
BSA THREADED FOR 2-PIECE CRANKSET
Chain
KMC CHAIN
Wheels
Rims
ALLOY DOUBLE WALL 406-21 32H FOR TYRE 406-20/35
Tires
VEE SPEEDSTER 20"x2.0"
Brakes
Brakes
TEKTRO HD-M275 HYDRAULIC DISC BRAKE
Cockpit
Stem
ENTITY SPORT ALLOY, EXT: 45MM, BAR BORE: 31,8MM, RISE/DROP: 3DEGREE
Handlebar
ENTITY SPORT ALLOY, WIDTH 640MM, BAR BORE: 31.8MM, BEND: 6 DEGREE
Seat
Saddle
ENTITY SADDLE
Seatpost
ENTITY SPORT ALLOY
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | All Size |
|---|---|
| Stack Reach Ratio | 1.38 mm |
| Bottom Bracket Height | 290 mm |
| Front Center | 681 mm |
| Rake | 69 mm |
| Stack | 561.9 mm |
| Reach | 406.5 mm |
| Top Tube Length | 564 mm |
| Seat Tube Angle | 74.5 ° |
| Seat Tube Length | 360 mm |
| Head Tube Angle | 70 ° |
| Head Tube Length | 250 mm |
| Chainstay Length | 394 mm |
| Wheelbase | 1072 mm |
| Bottom Bracket Drop | 35 mm |
| Standover Height | 588 mm |
| Wheels | 20" |
| Rider Min Height | 120 cm |
About this model
ZETA 2 is a Polygon Zeta model. Polygon released 10 bikes variations of this model so far.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for General Urban bikes
Our math shows that the average cost of a dependable General Urban bike is 499$. However, you could also get a good General Urban bike even if you pay a lower amount than the average price. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Polygon released this model in 2020, its price was 579$. Comparing this to the average General Urban bike price, we see that the price is 16.03% higher.
General Urban bikes average weight
General Urban bikes have an average weight of 13.11 kg (28.9 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
Polygon ZETA 2 it’s weighing 12.8 kg (28.22 lbs). At this weight, is slightly lighter than average. To sum up, it’s 2.42% lighter than the average weight of General Urban bikes.
Overview of components
Fork material
The fork on this bike is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels
The ZETA 2 2020 bike is equipped with 20″ aluminum wheels when leaving the factory. This wheel size is used on bike models like BMX, children, or folding bikes. In conclusion, you can use them better on-road, and less on technical terrain.
Brakes
For your safety, it is important to have quality breaks on your bike. Polygon ZETA 2 has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.