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2019 Polygon

SISKIU T8

A 27.5″ / 29″ aluminum frame full suspension enduro bike with high-end components.

Manufacturer Price

$2,199
Weight30.0 lbs  
FrameAluminum
SuspensionFull, 150 / 150mm
ForkRockShox Revelation RC
ShockRockShox Deluxe RT3
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 11
GroupsetXT, SLX
BrakesShimano Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
SISKIU T8
Other Enduro bikes
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)

25 mph

SISKIU T8

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Loam Wolf
Review: Polygon Siskiu T8

Dec 2020

POLYGON SISKIU T8 REVIEW TESTING THEN UPGRADING A BUDGET-MINDED BIKE The Polygon Siskiu T series bikes are some of the best looking, affordable dual suspension mountain bikes on the market and we get lots of questions about them. Several months back we actually made a really

Read Review

Outdoor Gear Lab
Polygon Siskiu T8

Nov 2020 · Jeremy Benson

The Polygon Siskiu T8 is an excellent mid-travel trail bike offered at a reasonable price. Polygon's consumer-direct sales model helps keep it affordable...

Highs
  • Awesome build for the price

  • Versatile

  • Well-rounded performance

Lows
  • Firm grips

  • Saddle shape

Read Review

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

Aug 2020 · Zach Overholt

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

Read Review

NSMB
Polygon Siskiu N9 29er - First Impressions

Nov 2019

The Polygon Siskiu N9 29er boasts an SRAM GX drivetrain, Fox suspension, good tires, solid geometry, and a nicely manufactured 160mm travel aluminum frame 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

MBR
Polygon Siskiu D5 review - MBR

Aug 2018 · Alan Muldoon

Yes, the Polygon Siskiu D5 frame is top-notch but the parts spec is lacking. If it was £750 it'd be a steal but it's outclassed by other £1k full sussers.

Highs
  • Super sleek frame design.

Lows
  • No rebound adjustment on shock.

Read Review

BikeRadar
Polygon Siskiu T8 review

Jun 2018 · Russell Eich

Polygon's Siskiu T8 is a fun example of a lower-cost trail bike that's ready to rip

Read Review

Flow Mountain Bike
Tested: Polygon Siskiu T8

Dec 2017

Watch the full video review!  What am I looking at here? This is a thoroughly modern trail bike, made affordable. You can grab the Siskiu with either 29″ or 27.5″ wheels, with 140mm or 150mm respectively, though depending on your frame size you might only have one option. In a size small, it’s 27.5” only, sorry shorties. In …

Highs
  • Sensational pricing.

  • All the mod cons for proper trail riding.

  • Sharp looker!

Lows
  • Not tubeless ready.

  • Slack seat angle.

Read Review

Geometry
Specs
Build
Frame

ALX TRAIL 150MM TRAVEL (27.5”) / 140MM TRAVEL (29”), TAPER H/T

BB StandardBSA, 73mm, Threaded

ColorBlack Matte / Tosca

Fork

ROCKSHOX REVELATION RC SOLO AIR BOOST 15X110MM, 150MM (27.5”) / 140MM (29”) TRAVEL

Travel150mm

Spring TypeAir

Shock

ROCKSHOX DELUXE RT3 DEBONAIR SPECIAL TUNING (210x55mm, 8x25mm hardwares)

Travel150mm

Bottom Bracket

BSA THREADED

Stem

ENTITY XPERT, ALLOY E:45MM R:7DEG BB:31.8MM

Handlebar

ENTITY XPERT, ALLOY W:780MM R:12MM BB:31.8MM

Saddle

ENTITY ASSAULT

Seatpost

ADJUSTABLE HEIGHT, ZERO OFFSET, 30.9MM

TypeDropper

Pedals

ALLOY

Groupset
Rear Derailleur

SHIMANO XT RD-M8000 GS

Crank

PROWHEEL CHARM-32T-TT-B 32T BOOST 2-PIECE-CRANK

Shifters

SHIMANO SLX SL-M7000 I-SPEC II

Cassette

SUNRACE CSMX8 EAZ 11-SPEED 11-46T

Chain

KMC X-11

Brakes

SHIMANO BR-M615

TypeShimano Hydraulic Disc

Wheels
Rims

ENTITY XL2 DISC 35-584 (27.5”) / 29-622 (29”)

Tires

SCHWALBE NOBBY NIC, 27.5”X2.60” / 29”X2.35”

Rider Notes
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First added March 11

Last updated March 11

Not listed for 2,273 days