Reid Explorer S 20 vs Polygon Premier 20

A side by side comparison of two kids bikes available in Australia, on price and specs. The Reid Explorer S 20 is the lower-priced of the two.

Key differences

  • Price: the Explorer S 20 costs $60 less at the prices shown.
  • Frame: steel on the Explorer S 20, aluminium on the Premier 20.
  • Gearing: 1x1 Single speed on the Explorer S 20, 1x7 Shimano Tourney on the Premier 20.
  • Stock tyres: about 57 mm wide on the Explorer S 20, 44 mm on the Premier 20.

Worked out from each bike's published specification and the price shown on its page. The full side by side table and a to-scale geometry overlay are below.

2 of 4 bikesDeltas are against the baseline
Baseline
Reid Explorer S 20ReidExplorer S 20
$339.99
Polygon Premier 20PolygonPremier 20
$399.99
Price and where to buy
Current Australian price$339.99Lowest$399.99
RRP$379.99$399.99
Price sourceAt Reid Cycles, was $379.99. Stock not confirmed, checked 27 Oct 2026.At BikesOnline, was $429.99. In stock, checked 3 Nov 2026.
RetailersReid CyclesBikesOnline
Overview
CategoryKidsKids
TypeNon-electricNon-electric
Model yearNot published2024
Frame and suspension
FrameSteelAluminium
ForkSteelSteel
Wheels and tyres
WheelsetAlloy 20 inch 36H rimsAlloy Double Wall, CNC brake surface with wear indicator, 19mm Internal Width, 28H
Wheel size20-inch20-inch
Stock tyres20x2.2520x1.75
Drivetrain
GroupsetSingle speedShimano Tourney
Shifting1xMechanical, 1x
CrankNot publishedProwheel A102PP Alloy Arms, 3/32" Steel Chainring with Plastic Double Chain Guard, 32T
Chainrings3232
CassetteNot published7-Speed Freewheel 14-28T
Cassette speeds17
Lowest gearRatio of smallest ring to biggest cog. Lower is easier climbing.Not published1.14
Highest gearBiggest ring to smallest cog. Higher is a faster top speed.Not published2.29
Gearing characterNot publishedEndurance gearing
Brakes and weight
BrakesSteel V-brake front, rear coaster brakePromax BL-367G Alloy 4-Finger Kids with Reach Adjust
Geometry
Size shownNot publishedOne size
StackNot published429 mm
ReachNot published321 mm
Stack to reachHigher is more upright, lower is more stretched out.Not published1.34
Head angleLower (slacker) is calmer at speed, higher (steeper) is quicker steering.Not published69.0 deg
Seat angleNot published72.0 deg
WheelbaseNot published892 mm
ChainstayNot published370 mm
BB dropNot published20 mm

Geometry overlay

Line up at
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STACK 429REACH 321
  • Polygon Premier 20 (size One size) is the baseline.

Stack, reach, head and seat angles, wheelbase, chainstay and BB drop are drawn to scale from published charts. Tube shapes are schematic. No full geometry published for: Reid Explorer S 20.

BikeFinder Data Profile. Geometry and component figures are researched from published manufacturer and retailer sources, not physical ride tests, and can vary by model year.

Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm current details with the seller before purchase.