Polygon Bikes Siskiu T7 2021


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Geometry

  S (27.5″) M (27.5″) M (29″) L (29″) XL (29″)
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Reach 405 499 447 516 529
Stack 635 718 645 669 726
Top Tube (effective) 681 508 523 623 659
Seat Tube C-T 352 379 408 373 470
Head Angle 67 73 55 71 53
Seat Angle 89 76 82 61 61
Head Tube 124 128 92 122 119
Chainstay 416 436 378 357 510
Wheelbase 1116 1171 1124 1209 1276
Standover 778 702 771 557 560
BB Drop 21 23 34 35 39
BB Height 272 394 317 390 298
Seatpost Diameter 27 29 25 28 33
Wheel Size 23 28 29 28 26
Tyre Max Width 2 3 2 2 2
Seatpost Length 150mm 150mm 150mm 170mm 170mm
Handlebar Width 780mm 780mm 780mm 780mm 780mm
Stem Length 35mm 35mm 35mm 35mm 35mm
Crank Length 170mm 170mm 170mm 175mm 175mm
Front Travel 171 142 134 124 122
Rear Travel 138 167 150 120 161
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.

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