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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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222 Results
5.0
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
3.9 16×
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 €
Currently Unavailable
Order Code: SPTolp338
5.0
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 Anas 20" green - Children's Bike Free
delivery
5.0
Olpran Anas 20" green
Children's Bike - mountain bike 20" wheel, without suspension, meant for recreational use, steel frame, frame height: 330mm, frame size: S, with Without theme theme, pedals included, for children weighing up to 70kg
Buy with code ALZADNI20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky. 151.20 €
189 €
On the way > 5 pcs
Expected 19/06/2026
Order Code: SPTolp612
5.0
Dino Bikes Dinosaur 12"
Children's Bike - children's bike 12" wheel from the age of 3 years, without suspension, meant for recreational use, steel frame, with Dinosaurus theme, for beginners, balance wheels, for children weighing up to 40kg
111.90 €
Currently Unavailable
Order Code: SPTxacr329
4.0
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 €
Currently Unavailable
Order Code: SPTolp342
5.0
Academy Grade 5 24-8S Microshift Red
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: SPTacd009
Olpran Culex 24" petrol/sand ALU - Children's Bike Free
delivery
3.5
Olpran Culex 24" petrol/sand ALU
Children's Bike - mountain bike 24" wheel, full suspension, meant for recreational use, steel frame, frame height: 381mm, frame size: M, with Without theme theme, pedals included, for children weighing up to 100kg
309 €
Currently Unavailable
Order Code: SPTolp619
Olpran Vipera 20" blue - Children's Bike Free
delivery
5.0
Olpran Vipera 20" blue
Children's Bike - mountain bike 20" wheel, full suspension, meant for recreational use, steel frame, frame height: 280mm, frame size: S, with Without theme theme, pedals included, for children weighing up to 70kg
199 €
Currently Unavailable
Order Code: SPTolp613
Olpran Anas 20" orange - Children's Bike Free
delivery
5.0
Olpran Anas 20" orange
Children's Bike - mountain bike 20" wheel, without suspension, meant for recreational use, steel frame, frame height: 330mm, frame size: S, with Without theme theme, pedals included, for children weighing up to 70kg
Buy with code ALZADNI40 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 40 % s kódom ALZADNI40. Kliknite a kód sa uplatní automaticky. 113.40 €
189 €
Currently Unavailable
Order Code: SPTolp611
5.0
Academy Grade 3 16-1S belt Purple
Children's Bike - children's bike 16" wheel from the age of 4 years, without suspension, aluminium frame, frame height: 26mm, for children weighing up to 30kg
449 €
Currently Unavailable
Order Code: SPTacd035
5.0
Academy Grade 6 26-8S Mircoshift ocean
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
549 €
Currently Unavailable
Order Code: SPTacd082
5.0
Academy Grade 6 26-8S Mircoshift Blue
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: SPTacd011
5.0
Academy Grade 6 26-8S Mircoshift Red
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: SPTacd012
5.0
Academy Grade 6 26-8S Mircoshift yellow
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
549 €
Currently Unavailable
Order Code: SPTacd084
5.0
Academy Grade 5 24-8S Microshift purple
Children's Bike - children's bike 24" wheel from the age of 7 years, without suspension, aluminium frame
539 €
Currently Unavailable
Order Code: SPTacd077
5.0
Academy Grade 5 24-8S Microshift ocean
Children's Bike - children's bike 24" wheel from the age of 7 years, without suspension, aluminium frame
539 €
Currently Unavailable
Order Code: SPTacd076
Olpran Mentha 26" mint/petrol - Mountain Bike Free
delivery
1.0
Olpran Mentha 26" mint/petrol
Mountain Bike
315.90 €
Currently Unavailable
Order Code: SPTolp633
Olpran Ultra light 24" blue/white - Children's Bike Free
delivery
Olpran Ultra light 24" blue/white
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
Buy with code ALZADNI30 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky. 286.30 €
409 €
On the way 1 pcs
Expected 19/06/2026
Order Code: SPTolp600
Academy Grade 5 24-7S Nexus belt Purple
Children's Bike - children's bike 24" wheel from the age of 7 years, without suspension, aluminium frame
729 €
Currently Unavailable
Order Code: SPTacd047
Olpran Ultra light 14" blue/pink - Children's Bike Free
delivery
Olpran Ultra light 14" blue/pink
Children's Bike - children's bike 14 " wheel from the age of 5 years, without suspension, meant for recreational use, aluminium frame, with Without theme theme, light weight, pedals included, for children weighing up to 50kg
289 €
Currently Unavailable
Order Code: SPTolp595
Academy Grade 6 26-7S Nexus belt Yellow
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
779 €
Currently Unavailable
Order Code: SPTacd054
Academy Grade 6 26-7S Nexus belt Purple
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
799.90 €
Currently Unavailable
Order Code: SPTacd053
ACADEMY S-GRADE Pump 6 Frost - Children's Bike Free delivery
to Alza branch
ACADEMY S-GRADE Pump 6 Frost
Children's Bike - Dirt jump bike 26" wheel from the age of 10 years, front suspension fork, aluminium frame
899 €
Currently Unavailable
Order Code: SPTacd120
In the category Kids' Bicycles on Alza.sk, we currently have a total of 223 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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