FROG SIZE GUIDE

In contrast to many kids' bikes, Frog bikes are sized by the leg length rather than age, as this is the most reliable way of getting the right size of bike for each child. Age alone isn’t a reliable measure as there is a large spread of “normal” leg lengths & heights for each age.

How To Measure Your Child's Inseam

  1. Stand the child in socks against a wall 
  2. Place a small book between their legs, as high as is comfortable 
  3. Ask the child to move away and measure from the top of the book to the floor, in cm. 

Once you have measured the inside leg, use this table to find the right size of bike for your child. Note we give the MINIMUM inside leg length for each bike, with the saddle at its lowest setting. At this height, the child will safely and comfortably be able to get their feet on the ground. Don’t worry - Frog Bikes have long seat posts, so the saddle can be raised a long way as the rider grows.
 

G & O Family Cyclery has experience sizing kids with bikes for comfort and longest potential  use. Come visit us and take a test ride today. 
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Min. Inseam........... Approx Age........... Wheel Size........... Frame Size
Tadpole Mini 24cm (9") 1-2 12" --
Tadpole 31cm (12") 2-3 12" --
Tadpole Plus 38cm (15") 3-4 14" --
Frog 43 43cm (17") 3-4 14" 9"
Frog 48 48cm (19") 4-5 16" 9.5"
Frog 52s 52cm (20") 5-6 20" 10"
Frog 52 52cm (20") 5-6 20" 10"
Frog 55 55cm (22") 6-7 20" 11"
Frog 62 62cm (24") 8-10 24" 12"
Frog 69 69cm (27") 10-12 26" 14"
Frog 73 73cm (29") 12-14 26" 16"
Road/Track 58 58cm (23") 6-7 20" 11"
Road/Track 67 67cm (26") 8-12 24" 14"
Road/Track 70........... 70cm (27") 11-14 26" 17"