Adults and Kids Bike Sizes
Children's Bikes
What size bike does my child need?
Kid's bikes start at 12inch wheels and go up to 24inch wheels. 10 years and up would normally be on an adult size bike with 26inch wheels.
12inch wheels ages 3+ inside leg range (34cm to 41cm) 14inch wheels ages 4+ inside leg range (40cm to 51cm)
16inch wheels ages 5+ inside leg range (43cm to 52cm)
18inch wheels ages 6+ inside leg range (49cm to 55cm)
20inch wheels 11inch frame ages 6+ inside leg range (50cm to 57cm)
20inch wheels 13inch frame ages 7+ inside leg range (53cm to 62cm)
24inch wheels 12inch frame ages 8+ inside leg range (56cm to 65cm)
24inch wheels 13inch frame ages 8+ inside leg range (58cm to 67cm)
24inch wheels 14inch frame ages 8+ inside leg range (60cm to 69cm)
26inch wheels 14inch frame ages 9+ inside leg range (60cm to 72cm)
26inch wheels 17inch frame ages 10+ Young Teenagers inside leg range (68cm to 80cm)
Here are just a few key features to look out for :
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Gear’s: If the bike has gear then make sure it has got Shimano or SRAM gears these gears systems are the most reliable.
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Pneumatic tyres: This allows the rider to have better control.
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Freewheel: This allows the rider to stop pedalling and carry on ridding the bike.
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Metal wheels: They are much stronger and have full ball bearings hubs.
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Adult bikes
Inside Leg Range Frame Size
24 - 29" (61 - 74cm) 14" (35.56cm)
25 - 30" (64 - 76cm) 15" (38.1cm)
26 - 31" (66 - 79cm) 16" (40.64cm
27 - 32" (69 - 81cm) 17" (43.18cm)
28 - 33" (71 - 84cm) 18" (45.72cm)
29 - 34" (74 - 86cm) 19" (48.26cm)
30 - 35" (76 - 89cm) 20" (50.8cm)
31 - 35" (79 - 89cm) 21" (53.34cm)
32 - 37" (81 - 94cm) 22" (55.88cm)
33 - 37" (84 - 94cm) 23" (58.42cm)
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This is only a guideline.