Cascade 4
OverviewAbout the Polygon Cascade 4
The Polygon Cascade 4 is a mountain bike, built on a aluminium frame, listed at $699.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Cascade 4 do I need?
Enter your height to see the size Polygon recommends.
| Size | Rider height | In feet |
|---|---|---|
| XS | 145 to 155 cm | 4 ft 9 in to 5 ft 1 in |
| S | 155 to 165 cm | 5 ft 1 in to 5 ft 5 in |
| M | 165 to 175 cm | 5 ft 5 in to 5 ft 9 in |
| L | 175 to 185 cm | 5 ft 9 in to 6 ft 1 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
- 2026
- Category
- Mountain
- Frame
- Aluminium
- Brakes
- Disc
- Frame sizes
- XS, S, M, L
- Price
- $699.99, RRP AUD (BikesOnline)
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
- Stack
- 624 mm
- Reach
- 420 mm
- Stack/reach
- 1.49
- Head angle
- 68 deg
- Seat angle
- 75 deg
- Wheelbase
- 1142 mm
- Chainstay
- 454 mm
- BB drop
- 69 mm
- Standover
- 736 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
- 9
- Crank
- Prowheel C10Y-NW
- Chainrings
- 36
- Cassette
- Shimano CUES CS-LG300
- Rear derailleur
- Shimano CUES RD-U4000GS
- Brakes
- hydraulic disc
- Rotors
- 160/160
- Wheelset
- alloy double wall
- Stock tyre
- 29x2.25
- Fork material
- SR Suntour XCM 32
- BB standard
- square taper, 68mm
- Thru-axle
- QR 100mm front, 135mm rear
- Seatpost
- Polygon Sport, 27.2x350mm
- Cockpit
- Polygon Sport bar 700mm, stem 40mm
- Saddle
- steel rail
SuspensionMTB detail
- Front travel
- 100 mm
- Fork
- SR Suntour XCM 32
- Fork stanchions
- 32 mm
- Wheel config
- 29
- Dropper
- No, rigid seatpost
- Discipline
- XC
- Suspension
- hardtail
Bike DNAWhat the numbers say
- Steering
- A 68 deg head angle points to balanced trail handling.
- Climbing
- Lowest ratio 0.78 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 (polygonbikes.com + backfill 2026-09-27: polygonbikes.com), verified 2026-09-06. This is a specification analysis, not a physical ride review.
Where to buyStockist
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