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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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266 Results
Olpran Gryllus boy mint/honey/petrol 24" - Children's Bike
Free
delivery
2.7
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
5,790,-
Buy
On the way > 5 pcs
Expected 22/05/2026
Order Code: SPTolp537
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
6,690,-
Currently Unavailable
Order Code: SPTolp340
5.0
Academy Grade 5 24-8S Microshift Olive
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
13,190,-
Currently Unavailable
Order Code: SPTacd007
4.9
Dino Bikes blue 10"
Children's Bike - children's bike 10" wheel, for boys from the age of 2 years, without suspension, meant for recreational use, steel frame, for beginners, pedals included and balance wheels, for children weighing up to 40kg
1,899,-
Currently Unavailable
Order Code: SPTxacr324
Olpran Helix boy black/sea green 24" - Children's Bike Free
delivery
5.0
Olpran Helix boy black/sea green 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
5,790,-
Currently Unavailable
Order Code: SPTolp532
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
7,590,-
Currently Unavailable
Order Code: SPTolp338
5.0
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
11,990,-
Currently Unavailable
Order Code: SPTacd006
Olpran Agilis Disc boy 20" sea green/dark blue - Children's Bike Free
delivery
4.5
Olpran Agilis Disc boy 20" sea green/dark blue
Children's Bike - children's bike 20" wheel, front suspension fork, meant for recreational use, steel frame, frame size: M, pedals included, for children weighing up to 60kg
6,490,-
Currently Unavailable
Order Code: SPTolp527
Olpran Formica girl pink/grey 24" - Children's Bike Free
delivery
4.3
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
6,890,-
Currently Unavailable
Order Code: SPTolp529
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
13,190,-
Currently Unavailable
Order Code: SPTacd008
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
7,490,-
Currently Unavailable
Order Code: SPTolp619
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
2,639,-
Currently Unavailable
Order Code: SPTxacr329
Olpran Agilis Disc boy 20" grey/dark blue - Children's Bike Free
delivery
4.5
Olpran Agilis Disc boy 20" grey/dark blue
Children's Bike - children's bike 20" wheel, front suspension fork, meant for recreational use, steel frame, frame size: M, with Without theme theme, light weight, pedals included, for children weighing up to 50kg
4,790,-
Currently Unavailable
Order Code: SPTolp526
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
10,990,-
Currently Unavailable
Order Code: SPTacd035
4.0
Dino Bikes 812 12"
Children's Bike - children's bike 12" wheel, for boys from the age of 3 years, without suspension, meant for recreational use, steel frame, for beginners, pedals included and balance wheels, for children weighing up to 40kg
2,459,-
Currently Unavailable
Order Code: SPTxacr331
5.0
Dino Bikes 814 14"
Children's Bike - children's bike 14 " wheel from the age of 4 years, without suspension, meant for recreational use, steel frame, with Without theme theme, for beginners, pedals included and balance wheels, for children weighing up to 45kg
2,929,-
Currently Unavailable
Order Code: SPTxacr333
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
13,490,-
Currently Unavailable
Order Code: SPTacd010
4.4 14×
Dino Bikes Barbie 14"
Children's Bike - children's bike 14 " wheel from the age of 4 years, without suspension, meant for recreational use, steel frame, for beginners, pedals included and balance wheels, for children weighing up to 45kg
3,199,-
Currently Unavailable
Order Code: SPTxacr337
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
13,190,-
Currently Unavailable
Order Code: SPTacd076
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
13,490,-
Currently Unavailable
Order Code: SPTacd011
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
13,190,-
Currently Unavailable
Order Code: SPTacd077
4.0
Dino Bikes white and pink 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 50kg
3,459,-
Currently Unavailable
Order Code: SPTdino030
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
13,490,-
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
13,490,-
Currently Unavailable
Order Code: SPTacd084
 

Kids' Bicycles

In the category Kids' Bicycles on Alza.cz, we currently have a total of 267 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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