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20" Wheel Kids Bikes (5-9yrs/108-129cm)

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Nationally Shipped Kids Bikes

26" Wheel Kids Bikes (10yrs+)

16" Wheel Kids Bikes (3-6yrs)

12" Wheel Kids Bikes (2-4yrs)

20" Wheel Geared Kids Bikes (Ages 7-9)

24" Wheel Geared Kids Bikes (Ages 9-12)

24" Wheel Kids Bikes (8-11yrs)

20" Wheel Single Speed Kids Bikes (Ages 7-9)

24" Wheel Single Speed Kids Bikes (Ages 9-12)

Kids Bike Buying Guide
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37% Off Full Price
Pedal Chomp Steel 20'' Kids Bike Sulphur Spring

Pedal

Pedal Chomp Steel 20'' Kids Bike Sulphur Spring

$249.00 Full price
$249.00
Club price
$399.00 Full price
28% Off Full Price
Pedal Zap 20'' Kids Bike Pink/White

Pedal

Pedal Zap 20'' Kids Bike Pink/White

$329.00 Full price
$329.00
Club price
$459.00 Full price
37% Off Full Price
Pedal Chomp Steel 20'' Kids Bike Lilac Night

Pedal

Pedal Chomp Steel 20'' Kids Bike Lilac Night

$249.00 Full price
$249.00
Club price
$399.00 Full price
28% Off Full Price
Pedal Zap 20'' Kids Bike Red/Grey

Pedal

Pedal Zap 20'' Kids Bike Red/Grey

$329.00 Full price
$329.00
Club price
$459.00 Full price
Pedal Bam 20'' Kids Bike Purple/Lilac

Pedal

Pedal Bam Alloy 20'' Kids Bike Purple/Lilac

$299.00 Full price
$299.00
Club price
$349.00 Full price
Pedal Bam 20'' Kids Bike Blue/Black

Pedal

Pedal Bam Alloy 20'' Kids Bike Blue/Black

$299.00 Full price
$299.00
Club price
$349.00 Full price
16% Off Full Price
Pedal Strike 20'' Steel Kids Bike Silver

Pedal

Pedal Strike Steel 20'' Kids Bike Silver

$249.00 Full price
$249.00
Club price
$299.00 Full price
Silverback Skid 20'' Kids Bike Red

Silverback

Silverback Skid 20'' Kids Bike Red

$369.00 Full price
$369.00
Club price
$399.00 Full price
10% Off Full Price
Silverback Spyke 20'' Kids Bike Vibrant Berry

Silverback

Silverback Spyke 20'' Kids Bike Vibrant Berry

$539.00 Full price
$539.00
Club price
$599.00 Full price
10% Off Full Price
Silverback Spyke 20'' Kids Bike Orange

Silverback

Silverback Spyke 20'' Kids Bike Orange

$539.00 Full price
$539.00
Club price
$599.00 Full price
Mongoose LadyGoose 20'' Kids Bike Blue

Mongoose

Mongoose LadyGoose 20'' Kids Bike Blue

$369.00 Full price
$369.00
Club price
$379.00 Full price
Silverback Skid 20'' Kids Bike Pink

Silverback

Silverback Skid 20'' Kids Bike Pink

$369.00 Full price
$369.00
Club price
$399.00 Full price
8% Off Full Price
Merida Matts J20 Kids Bike Red/Orange/Black

Merida

Merida Matts J20 - 20'' Kids Bike Red/Orange/Black

$429.00 Full price
$429.00
Club price
$469.00 Full price
16% Off Full Price
Pedal Strike 20'' Steel Kids Bike Aqua

Pedal

Pedal Strike Steel 20'' Kids Bike Aqua

$249.00 Full price
$249.00
Club price
$299.00 Full price
Mongoose Racer X 20'' Kids Bike Green

Mongoose

Mongoose Racer X 20'' Kids Bike Green

$369.00 Full price
$369.00
Club price
$379.00 Full price
Merida Matts J20 Kids Bike Candy Pink/Light Blue

Merida

Merida Matts J20 - 20'' Kids Bike Candy Pink/Light Blue

$429.00 Full price
$429.00
Club price
$469.00 Full price
25% Off Full Price
Pedal Hyena 20'' Kids Bike Cobalt Chrome

Pedal

Pedal Hyena 20'' Kids Bike Cobalt Chrome

$449.00 Full price
$449.00
Club price
$599.00 Full price
8% Off Full Price
Merida Matts J20 Kids Bike Barbie Blue/Pink/Grey

Merida

Merida Matts J20 - 20'' Kids Bike Barbie Blue/Pink/Grey

$429.00 Full price
$429.00
Club price
$469.00 Full price
5% Off Full Price
Merida Matts J20 Lite Kids Bike Berry Pink

Merida

Merida Matts J20 Lite Kids Bike Berry Pink

$397.00 Full price
$397.00
Club price
$419.00 Full price
10% Off Full Price
Silverback Spyke 20'' Kid Bike Black

Silverback

Silverback Spyke 20'' Kid Bike Black

$539.00 Full price
$539.00
Club price
$599.00 Full price
8% Off Full Price
Merida Matts J20 Kids Bike Orange/Blue/White

Merida

Merida Matts J20 - 20'' Kids Bike Orange/Blue/White

$429.00 Full price
$429.00
Club price
$469.00 Full price
5% Off Full Price
Merida Matts J20 Lite Kids Bike Green/Red/Green

Merida

Merida Matts J20 Lite Kids Bike Green/Red/Green

$397.00 Full price
$397.00
Club price
$419.00 Full price
Mongoose LadyGoose 20'' Kids Bike Black/Teal

Mongoose

Mongoose LadyGoose 20'' Kids Bike Black/Teal

$369.00 Full price
$369.00
Club price
$379.00 Full price
Silverback Skid 20'' Kids Bike Teal

Silverback

Silverback Skid 20'' Kids Bike Teal

$369.00 Full price
$369.00
Club price
$399.00 Full price
Mongoose Racer X 20'' Kids Bike Blue

Mongoose

Mongoose Racer X 20'' Kids Bike Blue

$369.00 Full price
$369.00
Club price
$379.00 Full price
NEW
Neo+ 20'' Kids Bike Chrome Red

Neo

Neo+ 20'' Kids Bike Chrome Red

$489.00 Full price
$489.00
Club price
$500.00 Full price
NEW
Merida Matts J20 Plus - 20'' Rigid Fork Kids Bike Matt Mint/Purple

Merida

Merida Matts J20 Plus - 20'' Rigid Fork Kids Bike Matt Mint/Purple

$749.00 Full price
$749.00
Club price
$789.00 Full price
Neo+ 20'' Kids Bike 6-Speed Brushed Alloy

Neo

Neo+ 20'' Kids Bike 6-Speed Brushed Alloy

$589.00 Full price
$589.00
Club price
$600.00 Full price
Neo+ 20'' Kids Bike 6-Speed Chrome Blue

Neo

Neo+ 20'' Kids Bike 6-Speed Chrome Blue

$589.00 Full price
$589.00
Club price
$600.00 Full price
Silverback Skid 20'' Kids Bike Blue

Silverback

Silverback Skid 20'' Kids Bike Blue

$369.00 Full price
$369.00
Club price
$399.00 Full price
NEW
Neo+ 20'' Kids Bike Brushed Alloy

Neo

Neo+ 20'' Kids Bike Brushed Alloy

$489.00 Full price
$489.00
Club price
$500.00 Full price
NEW
Neo+ 20'' Kids Bike Chrome Sky Blue

Neo

Neo+ 20'' Kids Bike Chrome Sky Blue

$489.00 Full price
$489.00
Club price
$500.00 Full price
Neo+ 20'' Kids Bike 6-Speed Chrome Pink

Neo

Neo+ 20'' Kids Bike 6-Speed Chrome Pink

$589.00 Full price
$589.00
Club price
$600.00 Full price
NEW
Merida Matts J20 - 20'' Kids Bike Matt Mint/Purple

Merida

Merida Matts J20 - 20'' Kids Bike Matt Mint/Purple

$740.00 Full price
$740.00
Club price
$779.00 Full price
Neo+ 20'' Kids Bike 6-Speed Chrome Purple

Neo

Neo+ 20'' Kids Bike 6-Speed Chrome Purple

$589.00 Full price
$589.00
Club price
$600.00 Full price
Merida Matts J20 Plus - 20'' Rigid Fork Kids Bike Matte Mint/Purple

Merida

Merida Matts J20 Plus - 20'' Rigid Fork Kids Bike Matte Mint/Purple

$699.00 Full price
$699.00
Club price
$769.00 Full price

Find Your Size

Step 1: Measure your height

  • Take off your shoes
  • Stand with your back straight against a wall
  • Balance a book on your head to mark your height on the wall
  • Measure your height by the distance from the floor to the mark
cm

Find Your Size

Step 2: Adjust your inseam

  • Based on your height, we’ve calculated a starting point.
  • You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
  • Inseam typically falls with 5cm of the average.
cm

Find Your Size

Your results

For the we suggest the following size.

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Inseam: --
Adjusted Height: --

Find Your Size

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Recommended sizes will now be highlighted on the page.

99 Bikes carries a huge range of boys and girls 20 inch bikes from leading brands such as Merida, Schwinn, Mongoose, and more all covered by our Price Beat Guarantee. Shop online with click and collect and in store at your local 99 Bikes in Perth, Adelaide, Melbourne, Canberra, Gold Coast, Sydney, Sunshine Coast, and Brisbane.

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