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SISKIU T: Trail-Ready Performance
SISKIU T8 with UDH
Specification
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Frameset
FramesetForkRear ShockSizeFrame Color
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Drivetrain
ShifterCrankCassetteRear DerailleurBBChainPedal
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Cockpit
SaddleSeatpostHandlebarHandlestemHeadset
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Wheel & Tire
Wheel SetWheel SizeTireRimHubSpokes
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Brake
Brake LeverBrake CaliperRotor
Geometry & Size
| S | M | L | XL | |
|---|---|---|---|---|
| Height (cm) | 155-165 | 165-175 | 175-185 | 185-195 |
| Seat Tube Length (A) | 390 15.35 | 400 15.75 | 415 16.34 | 430 16.93 |
| Seat Tube Angle (B) | 71.2 2.8 | 71.2 2.8 | 71.2 2.8 | 71.2 2.8 |
| Effective Seat Tube Angle (C) | 77 3.03 | 77 3.03 | 76 2.99 | 77 3.03 |
| Head Tube Length (D) | 89 3.5 | 95 3.74 | 110 4.33 | 125 4.92 |
| Head Tube Angle (E) | 64.5 2.54 | 64.5 2.54 | 64.5 2.54 | 64.5 2.54 |
| Effective Top Tube (F) | 568 22.36 | 595 23.43 | 619 24.37 | 644 25.35 |
| Bb Height (G) | 337.5 13.29 | 337.5 13.29 | 337.5 13.29 | 337.5 13.29 |
| Bb Offset (H) | 39 1.54 | 39 1.54 | 39 1.54 | 39 1.54 |
| Chainstay Length (I) | 430 16.93 | 430 16.93 | 432 17.01 | 430 16.93 |
| Wheelbase (J) | 1186 46.69 | 1214 47.8 | 1240 48.82 | 1267 49.88 |
| Frame Reach (K) | 440 17.32 | 465 18.31 | 485 19.09 | 505 19.88 |
| Frame Stack (L) | 604 23.78 | 609 23.98 | 622 24.49 | 636 25.04 |
| Standover Height (M) | 704 27.72 | 705 27.76 | 711 27.99 | 723 28.46 |
Related Products
Tackle any steep climbs and confident on any technical descents.
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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,…
Tackle any steep climbs and confident on any technical descents.
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,…
Created for pro cross-country racers climbing to seize a world-cup podium to racers who are enthusiastic about off road riding.
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FAQ
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Can I add more travel to the fork or put it with a double crown fork?
Adding more will put the frame under stress so we don't recommend it.
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What is the Polygon Siskiu T designed for?
The Siskiu T is built for trail riding - offering a balance of climbing efficiency and descending confidence. It’s perfect for riders looking for a capable all-rounder for technical trails, flowy descents, and weekend adventures.
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Is the frame UDH-compatible?
Yes, the Siskiu T uses a UDH derailleur hanger, making it compatible with modern drivetrain systems.
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Is the Siskiu T tubeless-ready?
Yes, both the rims and tires are tubeless-ready out of the box. You’ll just need to add sealant and valves to convert.