
The Polygon Siskiu T7 is a mountain bike, built on an aluminium frame, listed at $2,499.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.

same price · 11-speed vs 12-speed · 130 mm fork vs 140 mm

$50 more · 11-speed vs 12-speed · 150 mm fork vs 140 mm

$56 less · 130 mm fork vs 140 mm

$122 more · 11-speed vs 12-speed · 150 mm fork vs 140 mm
Compare the Siskiu T7 with the two closest side by side
Compared with the 18 similar mountain bikes on BikeFinder priced $1,750 to $3,350, using each bike's published specs and the price shown on its page.
Enter your height to see the size Polygon recommends.
| Size | Rider height | In feet |
|---|---|---|
| S | 158 to 168 cm | 5 ft 2 in to 5 ft 6 in |
| M | 168 to 178 cm | 5 ft 6 in to 5 ft 10 in |
| L | 177 to 185 cm | 5 ft 10 in to 6 ft 1 in |
| XL | 185 to 195 cm | 6 ft 1 in to 6 ft 5 in |
Rider heights from Polygon's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (BikesOnline product page (specification list and geometry table)), verified 2026-11-03. This is a specification analysis, not a physical ride review.
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