Sorry, this Polygon Siskiu T8 30th Anniversary Mountain Bike - 2019, Small has been sold.

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Polygon Siskiu T8 30th Anniversary Mountain Bike - 2019, Small

Item #BMT29239
Condition: Certified Pre-Owned
Fit Range: 5'2" - 5'6"
Regular price

Trade In
Every Certified Pre-Owned bike passes our 141-point inspection
  • Frame integrity verified
  • All components inspected
  • Drivetrain cleaned and tuned
  • Suspension adjusted
  • Wheels trued

Your bike ships fast for a $94.99 flat rate.

Quick Assembly
  • Bikes arrive tuned and mostly pre-assembled
  • Torque tool & video guide included
  • Get riding in 15 minutes
Canadian Customers

Please note that any duties, taxes, or surcharges as required by Canadian customs and provincial authorities will be the buyer's responsibility. Shipping to Canadian addresses may take longer than expected due to customs.

Guaranteed Buyback

We'll happily purchase this bike back from you when you're ready for your next upgrade. A TPC buyback offer is guaranteed for 18 month on all qualifying bikes.

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30-Day Returns

If this bike isn't perfect for you, our Ride Guides will help you find the right one.

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Versatile Trail Muscle

Why We Love It
The Polygon Siskiu T 27.5 is for the rider who wants a bike that possesses the capability to ride a broad range of trails. With 140mm of rear travel and 150mm up front blended with a progressive geometry that keeps you feeling in the driver seat.
Polygon's aluminum Siskiu frame is dependable, impressively lightweight and keeps the cost low (meaning more post ride tacos?). It's hard to beat the versatility for the dollar that Polygon delivers.
  • 27.5" wheels are nimble and quick to respond
  • 140/150mm rear/front travel gives this bike plenty of versatile muscle
  • Progressive geometry keeps you confident in the driver seat no matter what the terrain delivers
Master Mechanic’s Notes
  • Light scratches on the brake levers, fork lowers, crank arms, seatstays, chainstays, & rims
  • Moderate scratches on the top tube
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Original MSRP $2,599.00
Year 2019
Brand Polygon
Model Siskiu T8
Size Small
Frame Material Aluminum
Drivetrain Shimano, 1x12 spd
Weight 31 lbs 3 oz
Fork RockShox Revelation RC
Fork Travel 150mm
Rear Shock RockShox Deluxe
Rear Shock Travel 140mm
Brakes Tektro Orion HD-M745 4P, Disc Brakes - Hydraulic
Shifters Shimano SLX M7100, Mechanical
Rear Derailleur Shimano SLX M7100
Bottom Bracket Shell Threaded
Crankset Unbranded Alloy, 32t, 170mm
Cassette Shimano SLX M7100, 10-51t
Chain KMC
Handlebar Entity Xpert Alloy, 750mm
Headset Polygon
Stem Entity Xpert Alloy, 35.0mm x 45mm, 7°
Seatpost KS Dropper Post, 30.9mm
Seatpost Travel 125mm
Saddle Entity Xtent
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Wheelset Entity XL2 Disc Aluminum Tubeless Compatible, Entity XL2
Front Tire Maxxis Rekon EXO TR, 27.5" x 2.6"
Rear Tire Maxxis Ardent Race EXO TR, 27.5" x 2.6"
Tire Type Tubeless
Tubeless Compatibility Bike ships tubeless
Pedals Sold separately
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Bike geometry chart
Fit Range
5'2" - 5'6"
A. Effective Top Tube 571 mm
B. Seat Tube 395 mm
C. Seat Tube Angle 74.9°
D. Head Tube Angle 66°
E. Head Tube 105 mm
F. Stack 595.1 mm
G. Reach 410 mm
H. Standover Height 663.3 mm
I. Saddle Height Range N/A
Inspected. Tested. Trusted.

What is CPO?

CPO bikes are gently ridden bikes that have been meticulously inspected, restored and serviced. Every CPO bike is cleaned, tuned and tested in our top-of-the-line Colorado headquarters. Road, mountain, ebike or gravel, TPC services each bike over 8 phases and 141 points of inspection.

Bikes are meant
to be used.