Polygon · Cycling

Polygon Siskiu T8 Mountain Bicycle - Unisex

Name: Polygon Siskiu T8 Mountain Bicycle - Unisex
Brand: Polygon
Price: 2549.94 CAD
Availability: InStock

15% OFF

$2,549.94

$2,999.95Save $450.01 (15%)

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Across the 53 Cycling deals we’re tracking right now, the median discount is 25% — this deal’s 15% off is below that mark.

Based on prices we’ve recorded from MEC since August 2026, refreshed several times daily.

About this product

The Polygon Siskiu T8 is a full-suspension trail mountain bike built around a hydro-formed, triple-butted 6061 aluminum frame with a tapered head tube and internal cable routing. Up front, a Fox Rhythm 34 fork delivers 140mm of travel with a Grip damper offering three settings (open, medium, and firm) plus 10 clicks of low-speed rebound adjustment. The rear is handled by a Fox Float DPS Performance shock with 135mm of travel, custom-tuned to match the Faux Bar linkage and available in the same three damper positions. Shifting is managed by a Shimano SLX 12-speed drivetrain with a 10-51T cassette and Shimano Deore 32T crankset, while Shimano BR-MT420 four-piston hydraulic disc brakes provide reliable stopping power in varied conditions. An X-Fusion Manic dropper seatpost (150mm drop for small and medium frames) adds trail versatility. Maxxis Dissector 29 x 2.4 tires and tubeless-ready Polygon MT6 Disc wheels round out a capable package suited to cross-country, enduro, and general trail riding. Pedals are sold separately. Available in Charcoal.

Category: Cycling
Brand: Polygon
Color: Charcoal
Size: Select
Fork: Fox Rhythm 34
Stem: Entity Expert 35mm
Chain: KMC X12
Frame: Polygon ALX Trail 6061 aluminum
Tires: Maxxis Dissector 29 x 2.4
Wheel: Polygon MT6 Disc

What people are saying

Reviewers consistently praise the Polygon Siskiu T8 for its outstanding value, with its consumer-direct pricing delivering a component spec that rivals bikes costing significantly more. The RockShox (or Fox, depending on version) suspension earns repeated compliments for delivering a smooth, planted, and confidence-inspiring ride, especially on descents. The modern geometry, capable climbing ability, and quality drivetrain are also frequently highlighted. The most common criticisms center on weight, as the bike is not the lightest in its class, which can make it feel less lively on flat or uphill terrain. Some reviewers also note chain slap and cable rattle inside the frame as an annoyance, and a few feel the bike leans more toward an enduro character than a true all-around trail bike.