Polygon Sierra Oosten 2024
2024 Urban
Estimate price |
519$
Weight | 14.2 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Altus, Tourney -
Suspension Rigid -
Drivetrain 1 × 8 -
Brakes Rim
Sizing
Recommended size guide.
SM/MD
155cm - 170cm
MD/LG
168cm - 180cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
AL6 City Frame, Cruiser Specific Geometry, 6061 Alloy
Suspension Fork
Hi-Ten Rigid Fork - Cruiser/Trekking Specific,Straight 1-1/8" Threaded
Drivetrain
Rear Derailleur
Shimano Altus RD-M310 8-Speed
Shift Levers
Shimano SL-RS45-8R Revoshift 8-Speed
Cassette
Shimano Altus CS-HG31, 8-Speed 11-32T
Crank
Steel 36T, 165mm (S/M), 170mm (M/L)
Bottom Bracket
Cartridge Bearing, 68x122mm Square
Chain
KMC Z-8.3 8-Speed
Pedals
Nylon Platform
Wheels
Front Hub
Formula Alloy 36H
Rear Hub
Formula Alloy 36H
Rims
Double Wall Alloy
Spokes
Stainless Steel - 36 Spokes
Tires
DELI 26 x 1-3/8" / 700 x 35C
Brakes
Brakes
Alloy V-Brakes
Brake Levers
Alloy Brake Lever
Cockpit
Stem
Polygon Alloy, Length: 80mm, Quill: 180mm, Bar: 25.4mm, Rise: 30 Degree
Handlebar
Polygon Alloy, Width: 620mm (S/M), 640mm (M/L), Rise: 112mm, Swept: 50 Degree, 25.4mm
Headset
External Cup Threaded, S.H.I.S. EC 34/28.6 | 34/30
Seat
Saddle
Selle Royal Ondina
Seatpost
Polygon Alloy, 27.2x250mm, 15mm Offset
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM/MD | MD/LG |
|---|---|---|
| Stack Reach Ratio | 1.473 mm | 1.451 mm |
| Bottom Bracket Height | 298 mm | 298 mm |
| Front Center | 606 mm | 626 mm |
| Rake | 46 mm | 45 mm |
| Trail | 85 mm | 86 mm |
| Stack | 536 mm | 550 mm |
| Reach | 364 mm | 379 mm |
| Top Tube Length | 560 mm | 580 mm |
| Seat Tube Angle | 70 ° | 70 ° |
| Seat Tube Length | 406 mm | 445 mm |
| Head Tube Angle | 69 ° | 69 ° |
| Head Tube Length | 140 mm | 155 mm |
| Chainstay Length | 448 mm | 448 mm |
| Wheelbase | 1051 mm | 1071 mm |
| Bottom Bracket Drop | 37 mm | 37 mm |
| Standover Height | 472 mm | 476 mm |
| Wheels | 700 | 700 |
| Rider Min Height | 155 cm | 168 cm |
| Rider Max Height | 170 cm | 180 cm |
Model Overview
Sierra Oosten completes the Polygon Sierra model. Polygon released 21 bikes variations of this model so far. Take a sneak peek at all Polygon Sierra bikes models from 2024, by clicking here.
Model range prices
Polygon Sierra Oosten 2024 is the most economical model, with a starting price of 519$. Polygon Sierra Deluxe Sport 2024 on the other hand costs 599$, and is the most expensive model.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for Comfort bikes
If you want to purchase a solid Comfort bike, it is important to know that the average cost is 360$. However, even though the average price of a Comfort bike is lower, you might still be able to get a top-quality bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
This bike was released in 2024 and its price was 519$. Comparing this to the average Comfort bike price, we see that the price is 44.17% more expensive.
Average weight for Comfort bikes
If we make a quick analysis of the average weight of a Comfort bike, we get 15.11 kg (33.31 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
With a weight of 14.2 kg (31.31 lbs), Polygon bike is a bit lighter than average. In other words, this model is 6.41% lighter than the average Comfort bike.
Sierra Oosten components
Fork material
The fork on this bike is made out of steel, which is tougher than carbon in the case of an impact. However, it can add some extra weight to the bike.
Wheels
When it comes to wheels, the Sierra Oosten bike is equipped with the 700c aluminum model. There is no doubt, that 700c wheels are very popular on all road bike models. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Nothing is more important on a bike than its ability to brake properly. Polygon Sierra Oosten is equipped with Rim brakes. Rim brakes deliver an average performance overall. However, you could spend a little extra and get a bike that has hydraulic brakes.
Sizes
There are 2 sizes available for this model. Rider height can be anywhere between 155 cm – 180 cm (5.09 ft – 5.91 ft). In conclusion, you won’t have a problem finding one that suits you.