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2018 Polygon Siskiu T8 Bike (discontinued)

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Product Polygon Siskiu T8 Bike
Model Year 2018
Riding Type Enduro / All-Mountain, Trail
Rider Unisex
Sizes and Geometry
S (27.5"), M (27.5"), M (29"), L (29"), XL (29") View Geometry
Size S (27.5") M (27.5") M (29") L (29") XL (29")
Top Tube Length 571mm 596.3mm 601.5mm 627.4mm 656.7mm
Head Tube Angle 66° 66° 66.5° 66.5° 66.5°
Head Tube Length 105mm 110mm 100mm 105mm 110mm
Seat Tube Angle 74.9° 74.5° 74.5° 74.1° 73.9°
Seat Tube Length 395mm 435mm 435mm 485mm 520mm
Bottom Bracket Height 336.5mm 336.5mm 337mm 337mm 337mm
Chainstay Length 430mm 430mm 435mm 435mm 435mm
Wheelbase 1145.9mm 1168mm 1170.8mm 1192.8mm 1219.8mm
Standover 663.3mm 695.1mm 697.9mm 734.3mm 758.7mm
Reach 410mm 430mm 430mm 450mm 475mm
Stack 595.1mm 599.7mm 618.4mm 623mm 627.6mm
Wheel Size 27.5" (650b), 29"
Frame Material Aluminum
Frame Material Details ALX alloy frame
Rear Travel
  • 140mm
  • 130mm
Rear Shock RockShox Deluxe RT3 DebonAir, special tuning
Fork RockShox Revelation RC Solo Air, 15x110mm Boost axle
Fork Travel 150mm (27.5" versions) or 140mm (29" versions)
Head Tube Diameter Tapered, 1.125" top, 1.5" bottom
Headset ZS 44/28.6
Handlebar Entity Expert, alloy, 780mm width, 12mm rise, 31.8mm clamp
Stem Entity Expert, alloy, 45mm length, 7° rise, 31.8mm clamp
Brakes Shimano BR-MT500 hydraulic disc
Brake Levers Shimano BR-MT500 hydraulic disc
Drivetrain 1x
Shifters Shimano SLX SL-M7000-IR
Front Derailleur N/A
Rear Derailleur Shimano XT RD-M800, 11-speed, Shadow Plus
Chainguide N/A
Cranks Prowheel Charm, Boost, 2-piece
Chainrings Prowheel Charm, 32 tooth
Bottom Bracket BSA threaded
Pedals Alloy
Chain KMC X-11
Cassette 11-speed, 11-46 tooth
Rims Entity XL2, 32 hole
Hubs Entity XL2 disc, 32 hole, Boost
Tires Schwalbe Nobby Nic, 27.5" x 2.60" or 29" x 2.35" Addix
Saddle Entity Assault
Seatpost Tranz-X dropper, 150mm travel, zero offset
Seatpost Diameter 30.9mm
Seatpost Clamp Standard single bolt
Rear Dropout / Hub Dimensions 148x12mm Boost
Max. Tire Size
Bottle Cage Mounts
Colors Black/Blue/Orange
Warranty 3 years frame
Weight N/A
Miscellaneous Faux Bar suspension system
Small frames have 27.5" wheels
Medium frames offered in 27.5" or 29" wheels
Large and X-Large frames have 29" wheels
Price $2,499
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