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All Terrain Bikes (Mountain bikes)

  Inside Leg Frame Size Wheel Size
53-56cms - 21-26" 33cms - 13" 20"
61-74cms - 24-29" 41cms - 16" 24"
61-74cms - 24-29" 38cms - 15" 26"
  64-76cms - 25-30" 41cms - 16" 26"
  66-79cms - 26-31" 43cms - 17" 26"
69-81cms - 27-32" 46cms - 18" 26"
71-84cms - 28-33" 48cms - 19" 26"
74-86cms - 29-34" 51cms - 20" 26"
  81-94cms - 32-37" 56cms - 22" 26"

Trekking/City Bikes

  Inside Leg Frame Size Wheel Size
  69-79cms - 27-31" 48cms - 19" 26"
  74-84cms - 29-33" 53cms - 21" 26"
  79-89cms - 31-35" 58cms - 23" 26"

Racing/Road Bikes

  Inside Leg Frame Size Wheel Size
  71-81cms - 28-32" 50cms - 19.5" 700c
  76-86cms - 30-34" 55cms - 21.5" 700c
  81-91cms - 32-36" 58cms - 23" 700c
  86-97cms - 34-38" 62cms - 24.5" 700c
 

Please note: Cycles with suspension seat posts will effectively add up to to 2 inches to the frame size. For this reason you should choose a smaller frame size to avoid an oversize bike (i.e. select a 19 or 20 inch frame rather than 21 inch if it comes with a suspension seat post)

Q. What Wheel Size Should I Buy My Child?

Age                                                           Wheel Size

3 to 5 Years                                             12" Inch Wheel

4 to 6 Years                                             14" Inch Wheel

5 to 8 Years                                             16" Inch Wheel

6 to 9 Years                                             18" Inch Wheel

7 to 10 Years                                           20" Inch Wheel

Childs first bike; 12" & 14" wheels, suitable for average ages 2½ up to 5. Larger and slightly older children should benefit from the 14" wheel bicycles.

Once a child has learnt to ride without stabilisers (generally about age 5) they will move up to a 16" wheel cycle. These do not normally come fitted with stabilisers but they can be added to virtually all 16" wheel bikes if required.

Once you get into the realms of 20" wheel bikes and above, you may be offered multiple frame sizes. This has the benefit of being able to fit a younger child onto a bigger wheeled bike if they are confident riders. Although you will find that size options are generally not offered on a particular model, rather that different models have different frame sizes.

It is a very tempting thing to do, but don’t buy a bike which is too big for your child in the hope that they will grow into it. They will, but in the meantime they will be riding a bike which is not easy for them to control, which can be very dangerous. It does not really save money anyway, because if you change bikes more often, the outgrown ones will have a higher resale value.

   
   
   

 

 

 

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