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2026 Polygon Siskiu T6 Bike

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Polygon
Where To Buy
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (contiguous U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Polygon Siskiu T6 Bike
Model Year
2026
Intended Use
Trail
Rider
Unisex
Sizes and Geometry
SM
MD
LG
XL
View Full Geometry
Sizes Additional Info
All specifications listed are with 140mm travel fork
View Full Geometry
Wheel Size
29"
Frame Material
Aluminum
Frame Material Details
ALX Trail alloy, one-piece linkage, molded chainstay and seatstayl protection
Rear Travel
140mm
Rear Shock
X-Fusion O2 PRO R, 210mm length x 55mm stroke
Fork
RockShox Recon Silver RL, 32mm stanchions
Fork Travel
140mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
FSA No.57E, ZS44/28.6 upper, ZS56/40 lower
Handlebar
Polygon Expert, 780mm width, 30mm rise, 9° sweep, 35mm clamp diameter
Stem
Polygon Expert, 35mm length, 0° rise, 35mm bar clamp
Grips
 
Brakes
Shimano MT200, 2-piston
Rotors: Shimano RT10, CENTER LOCK, 180mm
Brake Levers
Shimano MT200
Drivetrain
1x
Shifters
Shimano CUES U6000, 10-speed
Front Derailleur
None
Rear Derailleur
Shimano CUES U6000, 10-speed, GS cage
ISCG Tabs
None
Chainguide
None
Cranks
Samox RAC61C-018S-C55, two-piece
Chainrings
Samox, 32 tooth
Bottom Bracket
Samox, 73mm English/BSA threaded
Pedals
Alloy flat, with replaceable pins
Chain
KMC X-Glide
Cassette
Shimano CUES LG300, 10-speed, 11-48 tooth
Rims
Polygon MT6 Alloy, 32 hole, tubeless ready
Hubs
Shimano, TC500 15mm x 110mm (Boost) front, MT400 12mm x 148mm (Boost) rear with HG driver
Spokes
Stainless steel, J-bend
Tires
Maxxis Dissector, 3C MaxxTerra compound, EXO+ casing, 29" x 2.4"
Saddle
Linc XTENT, CrMo rails
Seatpost
X-Fusion Manic LC dropper
Drop: 150mm (SM/MD), 170mm (LG/XL)
Seatpost Diameter
30.9mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12mm x 148mm (Boost)
Max. Tire Size
 
Bottle Cage Mounts
One inside front triangle, plus accessory mounts under top tube
Colors
Blue, Green
Warranty
5 years frame
Weight
 
Miscellaneous
• Linkage-driven single pivot "Faux Bar" rear suspension design
• Internal cable routing
• SRAM UDH (Universal Derailleur Hanger)
Price
$1,599.99
More Info

Polygon website

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Where To Buy
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (contiguous U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
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