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2025 Polygon Siskiu D6 Bike

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

Specifications

Product
Polygon Siskiu D6 Bike
Model Year
2025
Intended Use
Cross Country
Trail
Rider
Unisex
Sizes and Geometry
SM (27.5")
MD (27.5")
MD (29")
LG (29")
XL (29")
View Full Geometry
Sizes Additional Info
All specifications listed are with 120mm travel fork
View Full Geometry
Wheel Size
27.5" (650b)
29"
Frame Material
Aluminum
Frame Material Details
ALX XC/Trail alloy, one-piece linkage, molded chainstay protection
Rear Travel
120mm
Rear Shock
SR Suntour Raidon LO Air, 190mm length x 45mm stroke
Fork
SR Suntour XCM
Fork Travel
120mm
Head Tube Diameter
Tapered, 1.125" top, 1.5" bottom
Headset
Threadless, ZS 44/28.6 upper, ZS 56/40 lower
Handlebar
Entity Sport, alloy, 760mm width, 12mm rise, 6° sweep, 31.8mm clamp diameter
Stem
Entity Sport, alloy, 45mm length, 0° rise, 31.8mm bar clamp
Grips
 
Brakes
Shimano MT201, 2-piston
Rotors: Shimano RT10, CENTER LOCK, 180mm front, 160mm rear
Brake Levers
Shimano MT201
Drivetrain
1x
Shifters
Shimano Deore M4100, 10-speed
Front Derailleur
None
Rear Derailleur
Shimano Deore M4120, 10-speed
ISCG Tabs
None
Chainguide
None
Cranks
Shimano Deore M5100 Alloy, two-piece
Length: 170mm (SM/MD), 175mm (LG/XL)
Chainrings
Shimano Deore M5100, 32 tooth
Bottom Bracket
68/73mm English/BSA threaded
Pedals
Alloy cage platform
Chain
KMC X10-1, 10-speed
Cassette
Shimano Deore M4100, 10-speed, 10-42 tooth
Rims
X-15 double-wall alloy, 32 hole, tubeless ready
Hubs
Shimano MT400, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with HG driver
Spokes
 
Tires
2.25"
Saddle
Entity Void
Seatpost
Alloy 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
Colors
Green/Brown, Orange
Warranty
5 years frame, 2 years Entity components
Weight
 
Miscellaneous
• Single pivot "Faux Bar" rear suspension design
• Internal cable routing
Price
$1,149.00
More Info

Polygon website

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