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2026 Polygon Siskiu D7 Bike

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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 (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 shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Polygon Siskiu D7 Bike
Model Year
2026
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
• SM has 27.5" wheels; MD offered in 27.5" or 29" wheels; LG/XL have 29" wheels


• 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
RockShox Deluxe Select+, 190mm length x 45mm stroke
Fork
RockShox Recon Silver RL, 32mm stanchions
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
Polygon Xpert, alloy
Stem
Polygon Xpert, alloy
Grips
 
Brakes
Shimano, 2-piston
Rotors: Shimano, CENTER LOCK, 180mm front, 160mm rear
Brake Levers
Shimano
Drivetrain
1x
Shifters
Shimano, 11-speed
Front Derailleur
None
Rear Derailleur
Shimano, 11-speed
ISCG Tabs
None
Chainguide
None
Cranks
Alloy, 170mm
Chainrings
32 tooth
Bottom Bracket
68/73mm English/BSA threaded
Pedals
Alloy cage platform
Chain
KMC
Cassette
Shimano, 11-speed, 11-51 tooth
Rims
Double-wall alloy, 32 hole
Hubs
Shimano MT400, 15mm x 100mm front, 12mm x 148mm (Boost) rear with HG driver
Spokes
 
Tires
2.25"
Saddle
Linc Void
Seatpost
TranzX dropper, 150mm drop
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/Black, Blue/White
Warranty
5 years frame
Weight
 
Miscellaneous
• Single pivot rear suspension design
• SM has 27.5" wheels; MD offered in 27.5" or 29" wheels; LG/XL have 29" wheels
• Internal cable routing
Price
$1,499.00
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 (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 shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
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