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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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258 Results
Dino Bikes pink 10" - Children's Bike
5.0 4×
Dino Bikes pink 10"
Children's Bike - children's bike 10" wheel from the age of 1 years, without suspension, meant for recreational use, steel frame, for beginners, balance wheels, mudguard and low Step, for children weighing up to 40kg
-8 % off new 1,749,- New 1,919,-
Buy
Unsealed - in stock 1 pcs
Order Code: SPTdino007
Academy Grade 2 14-1S Olive - Children's Bike
5.0 3×
Academy Grade 2 14-1S Olive
Children's Bike - children's bike 14 " wheel from the age of 3 years, without suspension, aluminium frame, frame height: 21mm, for children weighing up to 30kg
-20 % off new 7,429,- New 9,290,-
From 176,- per month
Buy
Unsealed - in stock 1 pcs
Order Code: SPTacd025
Academy Grade 6 26-8S Mircoshift purple - Children's Bike
5.0 1×
Academy Grade 6 26-8S Mircoshift purple
Children's Bike - 26" wheel from the age of 10 years, without suspension, aluminium frame
13,490,-
From 320,- per month
Buy
In stock 1 pcs
Order Code: SPTacd083
ACADEMY S-GRADE Gravel 5 Garnet - Children's Bike
Free delivery
Alzaboxes and stores
2 colors
ACADEMY S-GRADE Gravel 5 Garnet
Children's Bike - gravel bike 24" wheel from the age of 7 years, front suspension fork, aluminium frame
New arrival 21,590,-
From 512,- per month
Buy
In stock 1 pcs
Order Code: SPTacd112
ACADEMY S-GRADE Pump 6 Plum - Children's Bike
Free delivery
Alzaboxes and stores
2 colors
ACADEMY S-GRADE Pump 6 Plum
Children's Bike - Dirt jump bike 26" wheel from the age of 10 years, front suspension fork, aluminium frame
New arrival 21,990,-
From 522,- per month
Buy
In stock 1 pcs
Order Code: SPTacd119
ACADEMY S-GRADE Gravel 7 Forest - Children's Bike
Free delivery
Alzaboxes and stores
2 colors
ACADEMY S-GRADE Gravel 7 Forest
Children's Bike - gravel bike 27,5" wheel, front suspension fork, aluminium frame
New arrival 24,490,-
From 581,- per month
Buy
In stock 1 pcs
Order Code: SPTacd113
Academy Grade 6 26-7S Nexus belt blue - Children's Bike
6 colors
Academy Grade 6 26-7S Nexus belt blue
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
New arrival 18,990,-
From 450,- per month
Buy
In stock 1 pcs
Order Code: SPTacd086
ACADEMY S-GRADE Trail 4 R Space - Children's Bike
2 colors
ACADEMY S-GRADE Trail 4 R Space
Children's Bike - trail bike from the age of 6 years, front suspension fork, aluminium frame
New arrival 19,590,-
From 465,- per month
Buy
In stock 1 pcs
Order Code: SPTacd122
ACADEMY S-GRADE Pump 6 Frost - Children's Bike
Free delivery
Alzaboxes and stores
2 colors
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
New arrival 21,990,-
From 522,- per month
Buy
In stock 1 pcs
Order Code: SPTacd120
ACADEMY S-GRADE Pump 5 Plum - Children's Bike
Free delivery
Alzaboxes and stores
2 colors
ACADEMY S-GRADE Pump 5 Plum
Children's Bike - Dirt jump bike 24" wheel from the age of 7 years, front suspension fork, aluminium frame
New arrival 20,890,-
From 495,- per month
Buy
In stock 1 pcs
Order Code: SPTacd117
ACADEMY S-GRADE Pump 4 Frost - Children's Bike
2 colors
ACADEMY S-GRADE Pump 4 Frost
Children's Bike - Dirt jump bike 20" wheel from the age of 6 years, front suspension fork, aluminium frame
New arrival 19,590,-
From 465,- per month
Buy
In stock 1 pcs
Order Code: SPTacd116
ACADEMY S-GRADE Pump 4 Plum - Children's Bike
2 colors
ACADEMY S-GRADE Pump 4 Plum
Children's Bike - Dirt jump bike 20" wheel from the age of 6 years, front suspension fork, aluminium frame
New arrival 19,590,-
From 465,- per month
Buy
In stock 1 pcs
Order Code: SPTacd115
Academy Grade 6 26-7S Nexus belt red - Children's Bike
6 colors
Academy Grade 6 26-7S Nexus belt red
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
New arrival 18,990,-
From 450,- per month
Buy
In stock 1 pcs
Order Code: SPTacd087
Academy Grade 6 26-7S Nexus belt green - Children's Bike
6 colors
Academy Grade 6 26-7S Nexus belt green
Children's Bike - children's bike 26" wheel from the age of 10 years, without suspension, aluminium frame
New arrival 18,990,-
From 450,- per month
Buy
In stock 1 pcs
Order Code: SPTacd085
ACADEMY S-GRADE Pump 5 Frost - Children's Bike
Free delivery
Alzaboxes and stores
2 colors
ACADEMY S-GRADE Pump 5 Frost
Children's Bike - Dirt jump bike 24" wheel from the age of 7 years, front suspension fork, aluminium frame
New arrival 20,890,-
From 495,- per month
Buy
In stock 1 pcs
Order Code: SPTacd118
Olpran Formica girl pink/grey 24" - Children's Bike
Free
delivery
3 colors
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
6,890,-
From 163,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp529
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
7,490,-
From 178,- per month
Buy
On the way > 5 pcs
Expected 22/07/2026
Order Code: SPTolp621
Olpran Helix boy black/sea green 24" - Children's Bike
Free
delivery
5.0 2×
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,-
From 137,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp532
Olpran Formica girl black/pink 24" - Children's Bike
Free
delivery
3 colors
4.3 7×
Olpran Formica girl black/pink 24"
Children's Bike - children's bike 24" wheel, front suspension fork, meant for recreational use, steel frame, frame height: 388mm, frame size: M, with Without theme theme, for beginners, pedals included, for children weighing up to 70kg
6,890,-
From 163,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp528
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
7,490,-
From 178,- per month
Buy
On the way > 5 pcs
Expected 22/07/2026
Order Code: SPTolp620
Olpran Gryllus boy mint/honey/petrol 24" - Children's Bike
Free
delivery
3.0 4×
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,-
From 137,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp537
Olpran Agilis Disc boy 20" sea green/dark blue - Children's Bike
Free
delivery
2 colors
4.5 2×
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,-
From 154,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp527
Olpran Agilis Disc boy 20" grey/dark blue - Children's Bike
Free
delivery
2 colors
4.5 2×
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,-
From 114,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp526
Olpran Anas 20" green - Children's Bike
Free
delivery
3.0 2×
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
4,590,-
From 109,- per month
Buy
On the way > 5 pcs
Expected 09/07/2026
Order Code: SPTolp612
Lightweight Kids’ Bikes Lightweight Girls' Bikes Girls' Boys' Bikes Boys' Kids' Bicycles - 2 to 3 Years 2-3 Years Kids' Bicycles - 4 to 6 Years 4 to 6 Years Kids' Bicycles - 7 to 9 Years 7 to 9 Years Children's Bikes 26" Diameter 26" Children's Bikes 24" Diameter 24" Children's Bikes 20" Diameter 20" Children's Bikes 16" Diameter 16" 14" Kids’ Bikes Diameter 14" Children's Bikes 12" Diameter up to 12" Kids' Electric Bikes Electric Bikes Bike Training Wheels Training Wheels Balance Bikes Balance Bikes How to choose a kids' bike
 

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In the category Kids' Bicycles on Alza.cz, we currently have a total of 258 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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