SISKIU T

SISKIU T: Trail-Ready Performance

Trail | 140mm/ 135mm Travel | ALX Alloy | 29" Wheels

The Polygon SISKIU T-Series is the definitive modern trail bike and the number one choice for riders looking for high-end performance without the big price tag. Built around a stiff, responsive alloy frame, 29er wheels and a proven 1x drivetrain, the SISKIU T balances technical climbing efficiency with aggressive descending stability.
Our products:
TRAIL ?
TRAIL ?
"I was born to grasp trails." Well, welcome, you're in good hands. As the growing demand of adrenaline journeys, we designed trail bikes to conquer those steep climbs with roots, drops, carpets of big rocks, and tight switchback turns. So let's nail it all. See more...

Features

  • Updated geometry

    Updated from the previous version, the 64.5° head angle provides stability on steep descents, and the 77° seat tube angle puts you in an efficient, upright pedalling position. 430mm chainstays keep corning snappy, whilst a 39mm bb drop, shorter seat seat tubes and low standover improves handling.

  • UDH compatible

    With UDH dropout standard, the SISKIU T is now compatible with all modern shifting systems available on the market.

  • Internal cable routing

    Cables are now routed internally for an extra clean look, protecting them from the worst of the weather.

  • Top tube accessory mount

    Compatible with aftermarket accessories, the top tube mounts make it possible to carry all your spares necessary trailside repair - no backpack needed.

Choose your series

1/3 Compare
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
MY26 SISKIU T8 UDH CHAMELEON GREEN RF
MY26 SISKIU T8 UDH CHARCOAL RF
MY26 SISKIU T8 UDH CHAMELEON GREEN LF
MY26 SISKIU T8 UDH CHARCOAL LF
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
MY26 SISKIU T8 UDH CHAMELEON GREEN RR
MY26 SISKIU T8 UDH CHARCOAL RR
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
MY26 SISKIU T8 UDH CHARCOAL RF
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
MY26 SISKIU T8 UDH CHAMELEON GREEN RF
MY26 SISKIU T8 UDH CHARCOAL RF
MY26 SISKIU T8 UDH CHAMELEON GREEN LF
MY26 SISKIU T8 UDH CHARCOAL LF
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
MY26 SISKIU T8 UDH CHAMELEON GREEN RR
MY26 SISKIU T8 UDH CHARCOAL RR
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
Polygon Siskiu T8 Mountain Bike (MTB) 2026
MY26 SISKIU T8 UDH CHARCOAL RF
Polygon Siskiu T8 Mountain Bike (MTB) 2026
SISKIU T8 with UDH Compare
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grey-ca
Price
$2,999.00
EXPLORE SISKIU T8 with UDH

To place an order, please choose size and color first. This item is now available. Learn more.

2/3 Compare
Polygon Siskiu T7 Mountain Bike (MTB) 2026
Polygon Siskiu T7 Mountain Bike (MTB) 2026
MY26 SISKIU T7 UDH CANDY RED RR
Polygon Siskiu T7 Mountain Bike (MTB) 2026
MY26 SISKIU T7 UDH CANDY RED RF
Polygon Siskiu T7 Mountain Bike (MTB) 2026
MY26 SISKIU T7 UDH CANDY TEAL RF
MY26 SISKIU T7 UDH CANDY RED LF
MY26 SISKIU T7 UDH CANDY TEAL RF
Polygon Siskiu T7 Mountain Bike (MTB) 2026
Polygon Siskiu T7 Mountain Bike (MTB) 2026
MY26 SISKIU T7 UDH CANDY RED RR
Polygon Siskiu T7 Mountain Bike (MTB) 2026
MY26 SISKIU T7 UDH CANDY RED RF
Polygon Siskiu T7 Mountain Bike (MTB) 2026
MY26 SISKIU T7 UDH CANDY TEAL RF
MY26 SISKIU T7 UDH CANDY RED LF
MY26 SISKIU T7 UDH CANDY TEAL RF
SISKIU T7 with UDH Compare
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red-ca
Price
$2,499.00
EXPLORE SISKIU T7 with UDH

To place an order, please choose size and color first. This item is now available. Learn more.

3/3 Compare
Polygon Siskiu T6 Mountain Bike (MTB) 2026
Polygon Siskiu T6 Mountain Bike (MTB) 2026
MY26 SISKIU T6 UDH SPARKLING BLUE RF
Polygon Siskiu T6 Mountain Bike (MTB) 2026
Polygon Siskiu T6 Mountain Bike (MTB) 2026
MY26 SISKIU T6 UDH METALIC GREEN RR
MY26 SISKIU T6 UDH METALIC GREEN RF
Polygon Siskiu T6 Mountain Bike (MTB) 2026
Polygon Siskiu T6 Mountain Bike (MTB) 2026
MY26 SISKIU T6 UDH SPARKLING BLUE RF
Polygon Siskiu T6 Mountain Bike (MTB) 2026
Polygon Siskiu T6 Mountain Bike (MTB) 2026
MY26 SISKIU T6 UDH METALIC GREEN RR
MY26 SISKIU T6 UDH METALIC GREEN RF
SISKIU T6 with UDH Compare
green-ca
blue-ca
Price
$1,999.00
EXPLORE SISKIU T6 with UDH

To place an order, please choose size and color first. This item is now available. Learn more.

Build Specs

Kit
SISKIU T8 with UDH
SISKIU T7 with UDH
SISKIU T6 with UDH
Frame ALX TRAIL 140mm TRAVEL ALX TRAIL 140mm TRAVEL ALX TRAIL 140mm TRAVEL
Fork FOX 34 FLOAT RHYTHM 140mm TRAVEL ROCKSHOX RECON SILVER-RL 140mm TRAVEL ROCKSHOX RECON SILVER-RL 140mm TRAVEL
Rear Shock FOX FLOAT P-S E2E: 210x55mm, HARDWARE: M8x25MM FOR BOTH SIDES ROCKSHOX DELUXE SELECT PLUS, E2E: 210x55mm, M8x25mm FOR BOTH SIDES XFUSION O2 PRO R, E2E: 210x55mm, M8x25mm FOR BOTH SIDES
Shifter SHIMANO SLX SL-M7100, 1x12-SPEED TRIGGER SHIMANO DEORE SL-M6100, 1x12-SPEED TRIGGER SHIMANO CUES SL-U6000, 1x10-SPEED TRIGGER
Crank Set SHIMANO FC-M6120-1 BOOST, 32T SHIMANO FC-M6120-1 BOOST, 32T SAMOX RAC61C-018S-C55, 32T
Cassette SHIMANO SLX CS-M7100-12, 10-51T MICROSPLINE SHIMANO DEORE CS-M6100-12, 10-51T MICROSPLINE SHIMANO CUES CS-LG300-10, 11-48T
Rear Derailleur SHIMANO SLX RD-M7100-SGS DIRECT ATTACH SHIMANO DEORE RD-M6100-SGS DIRECT ATTACH SHIMANO CUES RD-U6000-GS DIRECT ATTACH
Wheel Set POLYGON MT6 POLYGON MT6 POLYGON MT6
Tire MAXXIS DISSECTOR 29"x2.40" MAXXIS DISSECTOR 29"x2.40" MAXXIS DISSECTOR 29"x2.40"
Brake Lever SHIMANO BL-M4100 SHIMANO BR-MT420 SHIMANO BL-MT200
Brake Caliper SHIMANO BL-M4100 SHIMANO HYDRAULIC DISC BRAKES SHIMANO HYDRAULIC DISC BRAKES
Rotor SHIMANO SM-RT54, 180mm CENTER-LOCK SHIMANO SM-RT54, 180mm CENTER-LOCK SHIMANO SM-RT10, 180mm CENTER-LOCK

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