2021 Polygon

Siskiu N7 Dual Suspension

A 27.5″ aluminum frame full suspension enduro bike with upper mid-range components.
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Manufacturer Price

$2,599
Weight37.0 lbs  
FrameAluminum
SuspensionFull, 160 / 170mm
ForkRockShox Yari RC
ShockFox Float DPS Performance
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetDeore
BrakesHydraulic Disc
SeatpostDropper
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

26 mph

Siskiu N7 Dual Suspension

26 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Siskiu model range

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Reviews
Beta
The Beta Tests: Polygon Siskiu T8

Dec 2021 · Ryan Palmer

Possibly the best $2,500 bike we've ever ridden.

Highs
  • Fully capable, modern trail bike geometry

  • Excellent parts spec for the price

  • Internal cable routing

Lows
  • Resin-only brake rotors create weak braking

  • Suspension platform isn't very sophisticated

Read Review

Two Wheeling Tots
Polygon Siskiu D24 Full Suspension Kids Mountain Bike

Oct 2021 · Kelly Jorgensen

An affordable full suspension 24" kids mountain bike? The Polygon Siskiu D24 is a perfect blend of price and performance. Read the review!

Read Review

Outdoor Gear Lab
Polygon Siskiu D7

Oct 2021 · Jeremy Benson

As the price of bikes continue to skyrocket, Polygon bucks that trend with their direct-to-consumer sales model and the affordable Siskiu D7. This...

Highs
  • Reasonable price

  • Comes with a dropper post

  • Fun on a range of terrain

  • Efficient climber

  • Playful on descents

Lows
  • Non-boost fork

  • Some cable rattle over rough terrain

  • Can be overwhelmed on aggressive trails

Read Review

Flow Mountain Bike
Polygon Siskiu T8 Review | Big fun without the big price tag

Jan 2021

Polygon's updated Siskiu T is proof that you don't have to spend the earth to get a very capable trail bike. Featuring on-trend geometry, a robust build kit and a host of improvements over the old model, the Siskiu T8 will have you questioning why you'd need to spend any more.

Highs
  • Exceptionally capable package for the money

  • Confidence-inspiring geometry

  • Grippy high-volume rubber

  • Supple & supportive suspension

  • Sporty handling for a tough trail bike

Lows
  • Handlebars need more sweep

  • Brakes aren't hugely powerful

  • The wheels ain't light

Read Review

Bikerumor
New Polygon Siskiu T gets the right updates for seriously competitive & affordable trail bike

Aug 2020

Looking for a full suspension mountain bike you can actually afford? The Polygon Siskiu T just got overhauled, and it looks good.

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Loam Wolf
Budget Bike Shootout: Polygon Siskiu T7 LTD

Jun 2020

The Polygon Siskiu T7 LTD is a solid, affordable mountain bike and one that will certainly make a lot of rider’s dreams come true. Aggressive riders looking for a great budget bike should read our detailed review of the Polygon Siskiu T7 here!

Read Review

NSMB
Polygon Siskiu N9 160mm 29'er Review

Feb 2020

Polygon's 160mm aluminum 29'er looks to deliver value and performance and shows potential for 2800 USD...

Read Review

Pinkbike
Review: Polygon Siskiu T8

Sep 2018 · Richard Cunningham

Add this well-outfitted and sharp-handling 29er to your short list of affordable trail bikes.

Highs
  • Lively acceleration and climbing

  • Precise handling and cornering

  • Excellent value

Lows
  • No room for a water bottle

  • Not plush in rough terrain

  • No size small with 29-inch wheels

Read Review

99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

ALX AM Enduro Alloy Boost Frame 170mm (27.5") / 160mm Travel (29"), Tapered Headtube, Internal Routing

BB StandardBSA, 73mm, Threaded

Fork

RockShox Yari 170mm (27.5") / 160mm (29") Travel, DebonAir, External Rebound, Low Speed Compression, Tapered Steerer, 15x110mm Boost Thru Axle

Travel170mm

Spring TypeAir

Shock

Fox Performance Float DPS Air shock, 3 Position Compression Lever, Rebound Adjustment

Travel160mm

Spring TypeAir

Bottom Bracket

Shimano BSA Threaded

Headset

FSA No.57E, Zero Stack (ZS) Sealed Bearing, ZS 44/28.6 | ZS 56/40

Stem

Entity Xpert, Alloy, 0 Degree

Handlebar

Entity Xpert, Alloy, 35mm Bar Bore, 20mm Rise, 6 Degree Backsweep

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

TypeDropper

Pedals

Flat Alloy w/ Replaceable Pins (Included)

Groupset
Rear Derailleur

Shimano Deore RD-M6100 12-Speed, Direct Attached

Crank

Shimano Deore FC-MT5101, 32T, Hollowtech II, Boost

Shifters

Shimano Deore SL-M6100 12-Speed

Cassette

Shimano Deore CS-M6100, 12-Speed, 10-51T MicroSpline, HyperGlide+

Chain

KMC X12 12-speed

Brakes

Shimano Deore BR-MT420, 4-Piston Hydraulic

TypeHydraulic Disc

Wheels
Rims

Entity XL2 Disc, 35mm Inner Width, Tubeless Ready*

Spokes

Entity Stainless, Brass Nipple

Front Hub

Shimano HB-MT410, Centerlock, 32H, 15x110mm

Rear Hub

Shimano HB-MT410, Centerlock, 32H, MicroSpline Body, 12x148mm

Tires

Schwalbe Magic Mary 27.5x2.60" / 29x2.60" Super Gravity, Addix Soft, Tubeless Ready

Disc Rotors

Shimano SM-RT54, Rotors F/R: 180/180mm

Rider Notes
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Last updated September 23
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