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Glow Worm Bicycles | BYK Children's Bicycles

BYK kids bicycles with lifetime warranty from Glow Worm Bicycles

All of our BYK kids bicycles come with a free repairs for life! Simply come into the shop and we'll get it rolling again, free of charge, for as long as you own the bike. 

All your family needs to do is let your kids just keep on riding!

We also guarantee trade-ins for when they grow out of it. You'll get 50% of what you paid towards a new BYK within 12 months or 30% within 3 years, so you can always have a bike that fits. 

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ByK E-200L Balance Bike ByK E-200L Balance Bike Quick View

ByK E-200L Balance Bike

$189.00

Colour
Bright Blue
Pink
Quantity
Design: The E-200L frame offers an earlier starting age for learning bikes with a low-slung design. The longer wheelbase allows for more knee clear...
ByK E-200L Polished Alloy Quick View

ByK E-200L Polished Alloy

$209.00

Quantity
The best balance bike available for kids on the move. E-200L | Age: 2 - 4+ years | Small to Mid Size Kids Made of Alloy and lightweight parts, it h...
ByK E-250 ByK E-250 Quick View

ByK E-250

$299.00

Colour
Cyan blue
Sky Blue
Pretty Pink
Bright Orange
MTB
Lilac Haze
Quantity
Push, Run or Pedal. With a detachable push handle, our low frame and ultralight weight, learning to ride has never been easier. Age: 3 - 5 yearsHei...

ByK E-250

$299.00
ByK E-250L balance bike ByK E-250L balance bike Quick View

ByK E-250L balance bike

$209.00

Colour
Chrome Green
Red
Royal Pink
Quantity
Perfect Balance bike for growing riders. Design: The E-250L frame offers children who are still young and require a learning bike, but are slightly...
ByK E-350 ByK E-350 Quick View

ByK E-350

$339.00

Colour
Bright Blue
Bright Red
Pretty Pink
Ninja Green
Celeste Green
Sky Blue
Midnight Black
Deep Violet
Charcoal
Quantity
The bike every kid would love to learn on. Your child will enjoy the best handling kids bike on the market while you relax knowing they have the sa...

ByK E-350

$339.00
Byk E-350 MTB Quick View

Byk E-350 MTB

$409.00

Black / White
Quantity
This bike redefines children's mountain bikes for innovation and excellence. Featuring all the superior design of the E-350 range with the super co...
ByK E-350 Retro Quick View

ByK E-350 Retro

$379.00

Celeste Green
Quantity
Design: At the heart of every ByK Bike is a well designed frame and weighing in at less than 1kg, your child will have a light and easy bike to rid...
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ByK E-350 x 3i Quick View

ByK E-350 x 3i

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Purple Night
Features Design: At the heart of every ByK Bike is a well designed frame and weighing in at less than 1kg, your child will have a light and easy bi...
ByK E-350x2i Tour Yellow ByK E-350x2i Tour Yellow Quick View

ByK E-350x2i Tour Yellow

$399.00

Quantity
Design: With no external moving parts and designed by SRAM for electric bikes and folding bikes, the internal 2-speed i-motion gear system has been...
ByK E-450 ByK E-450 Quick View

ByK E-450

$379.00

Colour
Lilac Haze
Ninja Green
Lime Green
Soft orange
Midnight black
Bright Blue
Coral
Celeste Green
Soft Yellow
Quantity
The best kids bike on the market. With weight savings and efficiency levels never seen before on a child's bike, the E-450 was reviewed by Bicyclin...

ByK E-450

$379.00
ByK E-450 MTB ByK E-450 MTB Quick View

ByK E-450 MTB

$499.00

Quantity
On the MTB kids mountain bike range, your kids will enjoy our cutting edge geometry and attention to exacting detail with a full compliment of dura...
ByK E-450 MTR Quick View

ByK E-450 MTR

$469.00

Quantity
ByK E-450 Polished Alloy Quick View

ByK E-450 Polished Alloy

$399.00

Quantity
The best kids bike on the market. E-450 | Age: 5 - 8 years | Height: 110 - 132cms With weight savings and efficiency levels never seen before on a ...
ByK E-450 Retro Quick View

ByK E-450 Retro

$409.00

Soft Yellow
Quantity
The best kids bike on the market. With weight savings and efficiency levels never seen before on a child's bike, the E-450 was reviewed by Bicyclin...
ByK E-450 x 2i ByK E-450 x 2i Quick View

ByK E-450 x 2i

$429.00

Quantity
Design:  With no external moving parts and designed by SRAM for electric bikes and folding bikes, the internal 2-speed i-motion gear system has bee...
ByK E-450 x 3i ByK E-450 x 3i Quick View

ByK E-450 x 3i

$439.00

Colour
Deep Violet
Sky blue
Cyan blue
Stealth Charcoal
Quantity
With internal 3 speed gears, this has no external gear parts you can damage - treat it rough! Whilst you are still learning to handle your bike and...
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BYK E-450 x 3i Commuter Black Quick View

BYK E-450 x 3i Commuter Black

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The best kids bike on the market. With weight savings and efficiency levels never seen before on a child's bike, the E-450 was reviewed by Bicyclin...
ByK E-450 x 8 ByK E-450 x 8 Quick View

ByK E-450 x 8

$469.00

Colour
Bright red
Soft orange
Candy Pink
Steel Purple
Quantity
Design: With the E-450x7 frame we customised each tube to reduce weight and improve handling. Another crucial ingredient to the clever design is th...
ByK E-510 MTB ByK E-510 MTB Quick View

ByK E-510 MTB

$549.00

Quantity
Age: 7 - 11 years | Height: 130 - 160 cms On the MTB kids mountain bike range, your kids will enjoy our cutting edge geometry and attention to exac...
ByK E-510 MTB D Quick View

ByK E-510 MTB D

$669.00

Quantity
THE ULTIMATE OFF ROAD BIKE IN THE BYK RANGE. 510MTBD | AGE: 7 - 11 YEARS | HEIGHT: 130 - 160 CMS Taking the next step in performance with race leve...
ByK E-510 MTR Quick View

ByK E-510 MTR

$499.00

Quantity
This new model introduces a range of bikes that has the advantages of both Mountain and Road style. Fitting the potential of riding on gravel paths...
ByK E-540 R ByK E-540 R Quick View

ByK E-540 R

$669.00

Quantity
Age: 7 - 11 years | Height: 130 - 160 cms Design: At ByK we know kids love to be like their heroes, on the 620R they can be ready to climb the high...
ByK E-540 x 16 ByK E-540 x 16 Quick View

ByK E-540 x 16

$549.00

Colour
Bright Blue
Lime green
Quantity
ByK designer Warren Key has considered every component to increase strength and lower the overall weight. Design:
ByK E-540 x 3i ByK E-540 x 3i Quick View

ByK E-540 x 3i

$499.00

Colour
Watermelon
Racing Red
Charcoal
Bright Blue
Quantity
ByK designer Warren Key has considered every component to increase strength and lower the overall weight. Design: The lightweight Alloy frame is cu...
BYK E-540 x 3i Commuter Black Quick View

BYK E-540 x 3i Commuter Black

$539.00

Quantity
ByK designer Warren Key has considered every component to increase strength and lower the overall weight. Design: The lightweight Alloy frame is cu...
ByK E-540 x 3i Retro Lilac Haze Quick View

ByK E-540 x 3i Retro Lilac Haze

$539.00

Quantity
ByK designer Warren Key has considered every component to increase strength and lower the overall weight. Design: The lightweight Alloy frame is cu...
ByK E-540 x 9 ByK E-540 x 9 Quick View

ByK E-540 x 9

$549.00

Colour
Charcoal
Bright Blue
Quantity
Age: 7-11 Years | Height: 130-160cms  A totally innovative bike - never before has a bike at this level offered so much dynamically, efficiently an...
BYK E-540CX Cyclocross Quick View

BYK E-540CX Cyclocross

$669.00

Quantity
Age: 7 - 11 years | Height: 130 - 160 cms Design: At ByK we know kids love to be like their heroes, on the 620R they can be ready to climb the high...
Sold Out
ByK E-560 MTB ByK E-560 MTB Quick View

ByK E-560 MTB

Sold Out

On the MTB kids mountain bike range, your kids will enjoy our cutting edge geometry and attention to exacting detail with a full compliment of dura...
Sold Out
ByK E-560 MTBD Quick View

ByK E-560 MTBD

Sold Out

On the MTBD kids mountain bike range, your kids will enjoy our cutting edge geometry and attention to exacting detail with a full compliment of dur...
Sold Out
ByK e-560 MTR Quick View

ByK e-560 MTR

Sold Out

This new model introduces a range of bikes that has the advantages of both Mountain and Road style. Fitting the potential of riding on gravel paths...
BYK E-620 3i Commuter Black BYK E-620 3i Commuter Black Quick View

BYK E-620 3i Commuter Black

$579.00

Quantity
E620x3i BB Commuter - Black Commuter (Boys)
Sold Out
BYK E-620 CX Cyclocross Quick View

BYK E-620 CX Cyclocross

Sold Out

10 - 14 Years, 142.5 - 175cms Our E620 Urban range exudes innovation and precision in every detail. We have taken this bigger size children's bike ...
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ByK E-620 R ByK E-620 R Quick View

ByK E-620 R

Sold Out

Design: At ByK we know kids love to be like their heroes, on the 620R they can be ready to climb the highest mountain pass and ride to school the n...
ByK E-620 x 16 ByK E-620 x 16 Quick View

ByK E-620 x 16

$589.00

Colour
Ninja Green
Candy Pink
Black
Quantity
Our E620 Urban range exudes innovation and precision in every detail. We have taken this bigger size children's bike to a new level of efficiency, ...
ByK E-620 x 3i Quick View

ByK E-620 x 3i

$539.00

Colour
Candy Pink
Mid Blue
Celeste Green
Quantity
10 - 14 Years, 142.5 - 175cms Our E620 Urban range exudes innovation and precision in every detail. We have taken this bigger size children's bike ...
ByK E-620 x 3i ByK E-620 x 3i Quick View

ByK E-620 x 3i

$539.00

Colour
Mid Blue
Celeste Green
Quantity
10 - 14 Years, 142.5 - 175cms Our E620 Urban range exudes innovation and precision in every detail. We have taken this bigger size children's bike ...
ByK E-620 x 3i Retro Quick View

ByK E-620 x 3i Retro

$579.00

Soft Yellow
Quantity
10 - 14 Years, 142.5 - 175cms Our E620 Urban range exudes innovation and precision in every detail. We have taken this bigger size children's bike ...
FirstBIKE Racing with brake FirstBIKE Racing with brake Quick View

FirstBIKE Racing with brake

$219.95

Colour
Red
Violet
purple
Quantity
FirstBIKE Street with brake FirstBIKE Street with brake Quick View

FirstBIKE Street with brake

$199.95

Colour
Purple
Orange
Quantity
G-Bike Balance Bike G-Bike Balance Bike Quick View

G-Bike Balance Bike

$169.95

Colour
Green
Orange
Pink
Lilac
Yellow
Saphire Blue
Quantity
Light, big wheeled, balance bike Age: 2+ Great first bike for toddlers Lightweight Easy carry frame Extra large kick scooter wheels We all know t...