Polygon Siskiu N7 2021
2021 Mountain
Estimate price |
2,599$
Weight | 16.8 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame aluminium -
Wheels 27.5" -
Travel Front 160mm -
Travel Rear 160mm -
Fork RockShox Yari RC
-
Groupset Deore -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
154cm - 167cm
MD
164cm - 177cm
MD
164cm - 177cm
LG
174cm - 187cm
XL
184cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
ALX AM Enduro Alloy Boost Frame 170mm (27.5") / 160mm Travel (29"), Tapered Headtube, Internal Routing
Suspension Fork
RockShox Yari 170mm (27.5") / 160mm (29") Travel, DebonAir, External Rebound, Low Speed Compression, Tapered Steerer, 15x110mm Boost Thru Axle
Rear Shock
Fox Performance Float DPS Air shock, 3 Position Compression Lever, Rebound Adjustment
Drivetrain
Rear Derailleur
Shimano Deore RD-M6100 12-Speed, Direct Attached
Shift Levers
Shimano Deore SL-M6100 12-Speed
Cassette
Shimano Deore CS-M6100, 12-Speed, 10-51T MicroSpline, HyperGlide+
Crank
Shimano Deore FC-MT5101, 32T, Hollowtech II, Boost
Bottom Bracket
Shimano BSA Threaded
Chain
KMC X12 12-speed
Pedals
Flat Alloy w/ Replaceable Pins (Included)
Wheels
Front Hub
Shimano HB-MT410, Centerlock, 32H, 15x110mm
Rear Hub
Shimano HB-MT410, Centerlock, 32H, MicroSpline Body, 12x148mm
Rims
Entity XL2 Disc, 35mm Inner Width, Tubeless Ready*
Spokes
Entity Stainless, Brass Nipple
Tires
Schwalbe Magic Mary 27.5x2.60" / 29x2.60" Super Gravity, Addix Soft, Tubeless Ready
Brakes
Brakes
Shimano Deore BR-MT420, 4-Piston Hydraulic
Disk Rotors
Shimano SM-RT54, Rotors F/R: 180/180mm
Cockpit
Stem
Entity Xpert, Alloy, 0 Degree
Handlebar
Entity Xpert, Alloy, 35mm Bar Bore, 20mm Rise, 6 Degree Backsweep
Headset
FSA No.57E, Zero Stack (ZS) Sealed Bearing, ZS 44/28.6 | ZS 56/40
Seat
Saddle
Entity Xtent
Seatpost
TranzX JD-YSP23JL Dropper Post, Remote Handlebar Lever, Travel: 150mm (S-M), 170mm (L-XL), Length: 459mm (S-M) / 499mm (L-XL), Zero offset, Diameter: 30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.462 mm | 1.361 mm | 1.416 mm | 1.373 mm | 1.315 mm |
| Bottom Bracket Height | 355 mm | 355 mm | 343 mm | 343 mm | 343 mm |
| Front Center | 718 mm | 748 mm | 757 mm | 784 mm | 818 mm |
| Rake | 36 mm | 36 mm | 45 mm | 46 mm | 45 mm |
| Trail | 126 mm | 126 mm | 125 mm | 124 mm | 125 mm |
| Stack | 592 mm | 592 mm | 616 mm | 626 mm | 638 mm |
| Reach | 405 mm | 435 mm | 435 mm | 456 mm | 485 mm |
| Top Tube Length | 563 mm | 593 mm | 600 mm | 624 mm | 656 mm |
| Seat Tube Angle | 71 ° | 71 ° | 69 ° | 69 ° | 69 ° |
| Seat Tube Length | 400 mm | 430 mm | 430 mm | 470 mm | 520 mm |
| Head Tube Angle | 65 ° | 65 ° | 65 ° | 65 ° | 65 ° |
| Head Tube Length | 100 mm | 100 mm | 90 mm | 102 mm | 115 mm |
| Chainstay Length | 435 mm | 435 mm | 439 mm | 439 mm | 439 mm |
| Wheelbase | 1153 mm | 1183 mm | 1194 mm | 1221 mm | 1255 mm |
| Bottom Bracket Drop | 5 mm | 5 mm | 33 mm | 33 mm | 33 mm |
| Standover Height | 718 mm | 720 mm | 720 mm | 743 mm | 773 mm |
| Front Travel | 170 mm | 170 mm | 160 mm | 160 mm | 160 mm |
| Rear Travel | 170 mm | 170 mm | 160 mm | 160 mm | 160 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" |
| Rider Min Height | 154 cm | 164 cm | 164 cm | 174 cm | 184 cm |
| Rider Max Height | 167 cm | 177 cm | 177 cm | 187 cm | 195 cm |
About this model
Siskiu N7 is part of the Polygon Siskiu model. 75 bikes variations carry this model name so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
The most economical model, the Polygon SISKIU D5 2021 has a starting price of 1249$. Polygon SISKIU N9 2021 on the other hand is the most expensive at 3299$.
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 Enduro bikes
According to our calculations, the average cost of an Enduro bike that is reliable is 3599$. However, you could also get a good Enduro bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
At the moment of the release date, Polygon Siskiu N7 price was 2599$. Doing a quick comparison, we notice that Siskiu N7 price is 38.48% smaller than the average cost of an Enduro bike.
Average weight for Enduro bikes
If we make a quick analysis of the average weight of an Enduro bike, we get 14.27 kg (31.46 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Polygon Siskiu N7 it’s weighing 16.8 kg (37.04 lbs). At this weight, is much heavier than average. To sum up, it’s 17.73% heavier than the average weight of Enduro bikes.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
Overview of components
Fork
This bike has the RockShox Yari RC fork installed. The fork’s travel is 160mm. Bike forks are great for shock absorption and provide you with a smooth ride. In conclusion, always look for a fork with decent travel when you buy a bike.
Rear Shock
As for the rear shock, this bike has the Fox Performance Float DPS Air shock model, with a travel of 160mm. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels
When leaving the production line, the Siskiu N7 model has 27.5″ aluminum wheels. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Siskiu N7 comes with Hydraulic Disc brakes. 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.
Sizes
There are 5 sizes available for this model. Rider height can be anywhere between 154 cm – 195 cm (5.05 ft – 6.4 ft). In short, it won’t be difficult to find the right one for you.
Dropper post
A dropper post is included with the Siskiu N7. Needless to say, a dropper post will come in handy on climbs and descends. You’ll fall in love with it at first sight!