Siskiu D7
OverviewAbout the Polygon Siskiu D7
The Polygon Siskiu D7 is a mountain bike, built on an aluminium frame, listed at $2,199.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.
How it comparesThe Siskiu D7 against similarly priced bikes
- At $2,199.99 it costs less than 68% of the 223 mountain bikes we list.
- Head angle: 67.0 degrees, steeper, so quicker steering than the middle of similarly priced full-suspension mountain bikes (65.7 degrees).
- Front travel: 120 mm, less than the middle of similarly priced full-suspension mountain bikes (135 mm).
- Rear travel: 120 mm, less than the middle of similarly priced full-suspension mountain bikes (130 mm).
- Lowest gear ratio: 0.64, about the same as similarly priced full-suspension mountain bikes (middle 0.64).
- Gears at the back: 11-speed, about the same as similarly priced full-suspension mountain bikes (middle 11-speed).
- Stock tyre width: 57 mm, narrower than the middle of similarly priced full-suspension mountain bikes (61 mm).
Closest alternatives on price
same price · 10-speed vs 11-speed · 140 mm fork vs 120 mm
$49 more · 10-speed vs 11-speed · 130 mm fork vs 120 mm
$97 more · 10-speed vs 11-speed · 130 mm fork vs 120 mm
$200 less · 10-speed vs 11-speed · 150 mm fork vs 120 mm
Compare the Siskiu D7 with the two closest side by side
Compared with the 12 similar mountain bikes on BikeFinder priced $1,550 to $2,950, using each bike's published specs and the price shown on its page.
SizingWhat size Siskiu D7 do I need?
Enter your height to see the size Polygon recommends.
| Size | Rider height | In feet |
|---|---|---|
| S (27.5") | 155 to 168 cm | 5 ft 1 in to 5 ft 6 in |
| M (27.5") | 168 to 177 cm | 5 ft 6 in to 5 ft 10 in |
| M (29") | 171 to 180 cm | 5 ft 7 in to 5 ft 11 in |
| L (29") | 180 to 188 cm | 5 ft 11 in to 6 ft 2 in |
| XL (29") | 188 to 196 cm | 6 ft 2 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.
SpecificationsWhat we know
- Brand
- Polygon
- Model year
- 2025
- Category
- Mountain
- Frame
- Aluminium
- Wheel size
- 29-inch (27.5-inch on the smaller sizes)
- Drivetrain
- Shimano CUES 1x11
- Brakes
- Disc
- Frame sizes
- S (27.5"), M (27.5"), M (29"), L (29"), XL (29")
- Price
- $2,199.99 at BikesOnline, was $2,499.99. In stock, checked 3 Nov 2026.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M (29 inch)
- Stack
- 607 mm
- Reach
- 445 mm
- Stack/reach
- 1.36
- Head angle
- 67 deg
- Seat angle
- 76 deg
- Wheelbase
- 1165 mm
- Chainstay
- 436 mm
- BB drop
- 47 mm
- Standover
- 698 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano CUES
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 11
- Crank
- Prowheel RMZ-MD25S-TT Two-Piece-Crank, Crank Length: 170mm (S, M) / 175mm (L, XL)
- Chainrings
- 32
- Cassette
- Shimano CUES CS-LG400 11-50T 11-Speed
- Rear derailleur
- Shimano CUES RD-U6000-GS Direct Attach 11-Speed, w/ Clutch
- Brakes
- Shimano MT201 Hydraulic Disc Brake
- Rotors
- 180/160mm
- Wheelset
- Alloy Double Wall, 30mm Internal Width, Tubeless Ready
- Rim internal width
- 30 mm
- Stock tyre
- 27.5x2.25 / 29x2.25
- BB standard
- Threaded
- Seatpost
- Tranz X Dropper 150mm
- Cockpit
- Polygon Expert, Alloy 40mm / Polygon Expert Alloy, 780mm
- Saddle
- Linc Void Saddle, Steel 7mm
SuspensionMTB detail
- Front travel
- 120 mm
- Rear travel
- 120 mm
- Fork
- Rockshox Recon Silver RL
- Shock
- Rockshox Deluxe Select Plus
- Wheel config
- 29
- Dropper
- Tranz X Dropper 150mm
- Dropper travel
- 170 mm
- Discipline
- XC
- Suspension
- full suspension
Bike DNAWhat the numbers say
- Steering
- A 67 deg head angle points to balanced trail handling.
- Climbing
- Lowest ratio 0.64 is a very low climbing gear for steep or loaded climbs.
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.
Where to buyStockist
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