Premier 20
OverviewAbout the Polygon Premier 20
The Polygon Premier 20 is a kids bike, built on an aluminium frame, listed at $399.99 at BikesOnline. A bike sized and geared for younger riders.
How it comparesThe Premier 20 against similarly priced bikes
- At $399.99 it costs less than 70% of the 55 kids bikes we list.
- Lowest gear ratio: 1.14, about the same as similarly priced kids bikes (middle 1.13).
- Gears at the back: 7-speed, about the same as similarly priced kids bikes (middle 7-speed).
- Stock tyre width: 44 mm, narrower than the middle of similarly priced kids bikes (55 mm).
Closest alternatives on price
$20 more
$29 more
$49 more
$50 more
Compare the Premier 20 with the two closest side by side
Compared with the 20 similar kids bikes on BikeFinder priced $300 to $550, using each bike's published specs and the price shown on its page.
SpecificationsWhat we know
- Brand
- Polygon
- Model year
- 2024
- Category
- Kids
- Frame
- Aluminium
- Wheel size
- 20-inch
- Drivetrain
- Shimano Tourney 1x7
- Brakes
- Rim
- Frame sizes
- One size
- Price
- $399.99 at BikesOnline, was $429.99. 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 One size
- Stack
- 429 mm
- Reach
- 321 mm
- Stack/reach
- 1.34
- Head angle
- 69 deg
- Seat angle
- 72 deg
- Wheelbase
- 892 mm
- Chainstay
- 370 mm
- BB drop
- 20 mm
- Standover
- 553 mm
- Fork rake
- 42 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano Tourney
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 7
- Crank
- Prowheel A102PP Alloy Arms, 3/32" Steel Chainring with Plastic Double Chain Guard, 32T
- Chainrings
- 32
- Cassette
- 7-Speed Freewheel 14-28T
- Rear derailleur
- Shimano Tourney RD-TZ31A, 7-Speed
- Brakes
- Promax BL-367G Alloy 4-Finger Kids with Reach Adjust
- Wheelset
- Alloy Double Wall, CNC brake surface with wear indicator, 19mm Internal Width, 28H
- Rim internal width
- 19 mm
- Stock tyre
- 20x1.75
- Fork material
- Steel
- Seatpost
- Alloy, 27.2mm
- Cockpit
- Alloy 4-bolt, 25.4mm Bar Bore / Alloy Riser, 30mm Rise
- Saddle
- Entity Saddle
Bike DNAWhat the numbers say
- Position
- Stack-to-reach 1.34 gives a long and low, racier riding position.
- Steering
- A 69 deg head angle points to stable, relaxed steering.
- Climbing
- Lowest ratio 1.14 is endurance-friendly gearing.
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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