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Kids' Bicycles

When choosing an appropriate bike for your child, you should always make sure it is the right size. The size is crucial for the child to be able to control the bike properly.

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The table below shows the values that will help you decide. Individual brands vary, so please consider the values in the table only as a guidance. To be sure, put the child astride above the top tube with the feet on the ground. The gap between the crotch and the tube frame should be about 5 cm. Always set the saddle height so that the child can reach the ground.

Also observe the correct seating position of the child. The child should not be stretching on the bike and handlebars should not be too high. The ideal height of the handlebars is at the waist level of the child. Underestimating these factors can lead to bad riding habits.

Children's bicycle sizes are numbered slightly differently than the ones for adults (seat tube length) and are measured according to the wheel diameter.

Size in inches (diameter)

Child's height in cm

Approximate age of the child

12 "

90-100

2-3 years

14 "

95-105

3-4 years

16 "

100-115

45 years

18 "

110-120

5-6 years

20 "

115-130

6-9 years

24 "

125-155

9-12 years

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211 Results
Yedoo Koolo 16 green - Children's Bike
4 colors
Yedoo Koolo 16 green
Children's Bike - children's bike 16" wheel, for boys from the age of 3 years, without suspension, meant for recreational use, aluminium frame, with Without theme theme, light weight, freewheel, for beginners, pedals included and low Step, for children weighing up to 50kg
439 €
From 10.10 € per month
Buy
In stock > 5 pcs
Order Code: SPTyed207
ACADEMY S-GRADE Gravel 7 Garnet - Children's Bike
Free delivery
to Alza branch
ACADEMY S-GRADE Gravel 7 Garnet
Children's Bike - gravel bike 27,5" wheel, front suspension fork, aluminium frame
New arrival 999 €
From 22.98 € per month
Buy
In stock 1 pcs
Order Code: SPTacd114
ACADEMY S-GRADE Trail 7 RH33 Amber - Children's Bike
Free delivery
to Alza branch
ACADEMY S-GRADE Trail 7 RH33 Amber
Children's Bike - trail bike 27,5" wheel, front suspension fork, aluminium frame
999 €
From 22.98 € per month
Buy
In stock 1 pcs
Order Code: SPTacd107
Academy Grade 5 24-7S Nexus belt red - Children's Bike
5 colors
Academy Grade 5 24-7S Nexus belt red
Children's Bike - children's bike 24" wheel from the age of 7 years, without suspension, aluminium frame
729 €
From 16.77 € per month
Buy
In stock 1 pcs
Order Code: SPTacd081
Academy Grade 5 24-7S Nexus belt blue - Children's Bike
5 colors
Academy Grade 5 24-7S Nexus belt blue
Children's Bike - children's bike 24" wheel from the age of 7 years, without suspension, aluminium frame
729 €
From 16.77 € per month
Buy
In stock 1 pcs
Order Code: SPTacd080
ACADEMY S-GRADE Trail 7 RH38 Amber - Children's Bike
Free delivery
to Alza branch
ACADEMY S-GRADE Trail 7 RH38 Amber
Children's Bike - trail bike 27,5" wheel, front suspension fork, aluminium frame
999 €
From 22.98 € per month
Buy
In stock 1 pcs
Order Code: SPTacd109
Academy Grade 5 24-7S Nexus belt green - Children's Bike
5 colors
Academy Grade 5 24-7S Nexus belt green
Children's Bike - children's bike 24" wheel from the age of 7 years, without suspension, aluminium frame
729 €
From 16.77 € per month
Buy
In stock 1 pcs
Order Code: SPTacd079
Academy Grade 4 20-7S Nexus belt Ocean - Children's Bike
5.0 2×
Academy Grade 4 20-7S Nexus belt Ocean
Children's Bike - children's bike 20" wheel from the age of 6 years, without suspension, aluminium frame
-17 % off new 548.90 € New 669 €
From 12.62 € per month
Buy
As good as new - in stock 1 pcs
Order Code: SPTacd040
Dino Bikes Barbie 16" - Children's Bike
1.5 2×
Dino Bikes Barbie 16"
Children's Bike - children's bike 16" wheel, for girls from the age of 5 years, without suspension, meant for recreational use, steel frame, freewheel, for beginners, pedals included, balance wheels, mudguard, with basket and low Step, for children weighing up to 45kg
-16 % off new 138.90 € New 165.90 €
From 3.19 € per month
Buy
As good as new - in stock 1 pcs
Order Code: SPTdino024
Olpran Ultra light 24" pink/red - Children's Bike
Free
delivery
Olpran Ultra light 24" pink/red
Children's Bike - children's bike 24" wheel from the age of 10 years, without suspension, meant for recreational use, aluminium frame, pedals included, for children weighing up to 80kg
-21 % off new 322.90 € New 409 €
From 7.43 € per month
Buy
As good as new - in stock 1 pcs
Order Code: SPTolp610
Yedoo Koolo 20 blue - Children's Bike
5.0 1×
Yedoo Koolo 20 blue
Children's Bike - children's bike 20" wheel, for boys from the age of 5 years, without suspension, meant for sports use, aluminium frame, with Without theme theme, light weight, freewheel, pedals included and low Step, for children weighing up to 70kg
-16 % off new 430.90 € New 519 €
From 9.91 € per month
Buy
As good as new - in stock 1 pcs
Order Code: SPTyed210
Canull XC 241 white/purple 24" - Children's Bike
3 colors
4.0 15×
Canull XC 241 white/purple 24"
Children's Bike - mountain, children's and Cross country / XC bike 24" wheel, front suspension fork, meant for recreational and sports use, aluminium frame, frame size: S, for beginners, with stand, for children weighing up to 110kg, 2023 model
325.90 €
From 7.50 € per month
Buy
Unsealed - in stock 1 pcs
Order Code: SPTolp347
Canull XC 241 black/white 24" - Children's Bike
3 colors
4.0 15×
Canull XC 241 black/white 24"
Children's Bike - mountain, children's and Cross country / XC bike 24" wheel, front suspension fork, meant for recreational and sports use, aluminium frame, frame size: S, for children weighing up to 110kg, 2023 model
-12 % off new 288.90 € New 328.90 €
From 6.64 € per month
Buy
As good as new - in stock 1 pcs
Order Code: SPTolp345
Canull XC 241 white/purple 24" - Children's Bike
3 colors
4.0 15×
Canull XC 241 white/purple 24"
Children's Bike - mountain, children's and Cross country / XC bike 24" wheel, front suspension fork, meant for recreational and sports use, aluminium frame, frame size: S, for beginners, with stand, for children weighing up to 110kg, 2023 model
-16 % off new 275.90 € New 329 €
From 6.35 € per month
Buy
As good as new - in stock 1 pcs
Order Code: SPTolp347
Canull XC 240 black/white 24" - Children's Bike
2 colors
3.9 15×
Canull XC 240 black/white 24"
Children's Bike - mountain and Cross country / XC bike 24" wheel, front suspension fork, meant for recreational and sports use, aluminium frame, frame size: S, for beginners, for children weighing up to 110kg, 2024 model
311.90 €
From 7.17 € per month
Buy
On the way 1 pcs
Expected 20/05/2026
Order Code: SPTolp338
Olpran Culex 24" blue/red ALU - Children's Bike
Free
delivery
2 colors
3.5 2×
Olpran Culex 24" blue/red ALU
Children's Bike - mountain bike 24" wheel, full suspension, meant for recreational use, steel frame, frame size: S, with Without theme theme, pedals included, for children weighing up to 100kg
309 €
From 7.11 € per month
Buy
On the way > 5 pcs
Expected 25/05/2026
Order Code: SPTolp621
Canull XC 221 black/white 20" - Children's Bike
4.0 3×
Canull XC 221 black/white 20"
Children's Bike - mountain, children's and Cross country / XC bike 20" wheel, front suspension fork, meant for recreational and sports use, aluminium frame, frame size: S, for beginners, with stand, for children weighing up to 60kg, 2023 model
306.90 €
From 7.06 € per month
Buy
On the way 2 pcs
Expected 21/05/2026
Order Code: SPTolp342
Olpran Culex 24" black/red ALU - Children's Bike
Free
delivery
2 colors
3.5 2×
Olpran Culex 24" black/red ALU
Children's Bike - mountain bike 24" wheel, full suspension, meant for recreational use, steel frame, frame height: 330mm, frame size: S, pedals included, for children weighing up to 100kg
309 €
From 7.11 € per month
Buy
On the way > 5 pcs
Expected 25/05/2026
Order Code: SPTolp620
Olpran Gryllus boy mint/honey/petrol 24" - Children's Bike
Free
delivery
2 colors
2.7 3×
Olpran Gryllus boy mint/honey/petrol 24"
Children's Bike - children's bike 24" wheel, front suspension fork, meant for recreational use, steel frame, frame size: M, with Without theme theme, for beginners, pedals included, for children weighing up to 70kg
239 €
From 5.50 € per month
Buy
On the way > 5 pcs
Expected 22/05/2026
Order Code: SPTolp537
Canull XC 220 black/red 20" - Children's Bike
4.7 10×
Canull XC 220 black/red 20"
Children's Bike - mountain, children's and Cross country / XC bike 20" wheel, front suspension fork, meant for recreational and sports use, steel frame, frame size: S, for beginners, with stand, for children weighing up to 60kg, 2024 model
269 €
Currently Unavailable
Order Code: SPTolp340
Academy Grade 5 24-8S Microshift Blue - Children's Bike
5.0 1×
Academy Grade 5 24-8S Microshift Blue
Children's Bike - children's bike 24" wheel from the age of 8 years, without suspension, aluminium frame, frame height: 380mm, pedals included, for children weighing up to 60kg
539 €
Currently Unavailable
Order Code: SPTacd008
Academy Grade 4 20-8S Microshift Red - Children's Bike
5 colors
5.0 5×
Academy Grade 4 20-8S Microshift Red
Children's Bike - children's bike 20" wheel from the age of 5 years, without suspension, aluminium frame, frame height: 29mm, for children weighing up to 50kg
489 €
Currently Unavailable
Order Code: SPTacd006
Academy Grade 6 26-8S Mircoshift Olive - Children's Bike
5.0 1×
Academy Grade 6 26-8S Mircoshift Olive
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame, frame height: 450mm, for children weighing up to 80kg
549 €
Currently Unavailable
Order Code: SPTacd010
Olpran Formica girl pink/grey 24" - Children's Bike Free
delivery
4.3 7×
Olpran Formica girl pink/grey 24"
Children's Bike - children's bike 24" wheel, front suspension fork, meant for recreational use, steel frame, frame size: M, with Without theme theme, for beginners, pedals included, for children weighing up to 70kg
279 €
Currently Unavailable
Order Code: SPTolp529
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Kids' Bicycles

In the category Kids' Bicycles on Alza.sk, we currently have a total of 212 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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