Every trail tells a different story. Polygon builds mountain bikes for every ride, from cross-country speed to technical descents, with hardtail and full-suspension MTBs designed to perform.
From skateparks and pump tracks to dirt jumps and street sessions, Polygon Dirt Jump & BMX bikes are built for confidence, control, and creativity.
Engineered with advanced frame technology, Polygon road bikes are designed to perform. Explore performance to all-rounder road bikes that deliver speed, efficiency, and precision on every ride.
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From daily commutes to weekend rides, Polygon city bikes deliver comfort, versatility, and reliable performance for every urban journey.
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Every ride starts with confidence. Polygon kids junior bikes are built for young riders, combining comfort, durability, and confidence to inspire every adventure from the very first ride.
SISKIU T: Trail-Ready Performance
SISKIU T6 with UDH
Features
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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.
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UDH compatible
With UDH dropout standard, the SISKIU T is now compatible with all modern shifting systems available on the market.
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Internal cable routing
Cables are now routed internally for an extra clean look, protecting them from the worst of the weather.
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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.
Specification
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Frameset
FramesetForkRear Shock
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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 | 77 3.03 | 77 3.03 |
| Head Tube Length (D) | 90 3.54 | 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 | 430 16.93 | 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 | 713 28.07 | 723 28.46 |
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