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.
Built for riders who refuse to be limited by the route, Polygon Adventure Bikes deliver comfort and versatility. Explore gravel bikes and hybrid bikes ready for urban rides and scenic escapes.
From daily commutes to weekend rides, Polygon city bikes deliver comfort, versatility, and reliable performance for every urban journey.
Go farther with Polygon electric bikes. From daily commuting to weekend adventures, our e-bikes deliver smooth power, confident handling, and more freedom on every ride.
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 T7 2019
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502309
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 SizeTire
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Brake
Brake Lever
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Other
Frame Weight
Geometry & Size
| S (27.5″) | M (27.5″) | L (29″) | XL (29″) | |
|---|---|---|---|---|
| Height (cm) | 155-165 | 165-175 | 175-185 | 185-195 |
| Seat Tube Length (A) | 395 15.55 | 435 17.13 | 485 19.09 | 520 20.47 |
| Seat Tube Angle (B) | 68.5 2.7 | 68.5 2.7 | 68.5 2.7 | 68.5 2.7 |
| Effective Seat Tube Angle (C) | 74.9 2.95 | 74.5 2.93 | 74.1 2.92 | 73.9 2.91 |
| Head Tube Length (D) | 105 4.13 | 110 4.33 | 105 4.13 | 110 4.33 |
| Head Tube Angle (E) | 66 2.6 | 66 2.6 | 66.5 2.62 | 66.5 2.62 |
| Effective Top Tube (F) | 571 22.48 | 596.3 23.48 | 627.4 24.7 | 656.7 25.85 |
| Bb Height (G) | 336.5 13.25 | 336.5 13.25 | 337 13.27 | 337 13.27 |
| Bb Offset (H) | 20 0.79 | 20 0.79 | 39 1.54 | 39 1.54 |
| Chainstay Length (I) | 430 16.93 | 430 16.93 | 435 17.13 | 435 17.13 |
| Wheelbase (J) | 1145.9 45.11 | 1168 45.98 | 1192.8 46.96 | 1219.8 48.02 |
| Frame Reach (K) | 410 16.14 | 430 16.93 | 450 17.72 | 475 18.7 |
| Frame Stack (L) | 595.1 23.43 | 599.7 23.61 | 623 24.53 | 627.6 24.71 |
| Standover Height (M) | 663.3 26.11 | 695.1 27.37 | 734.3 28.91 | 758.7 29.87 |
