The Right Size Bikes for Kids

The Right Size Bikes for Kids
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Correctly selecting the right-size bike for your child has a huge effect on the quality of your child's bike riding experience. A bike that doesn't fit your child will make riding more difficult, less enjoyable and may even put your child's safety at risk. Remember these tips the next time you're bike shopping.

General Sizes

Children's bikes generally come in four sizes: 12 inches, 16 inches, 20 inches and 24 inches. These sizes correspond to the size of the wheels rather than the size of the frame. The right size for your child often depends on your child's inseam, the measurement between his crotch and the floor. According to the International Bicycle Fund the sizes can be generalized as follows: size 12 inches for 14- to 17-inch inseam and age 2 to 4 years; size 16 inches for 18- to 22-inch inseam and age 5 to 8 years; size 20 inches for 22- to 25-inch inseam and age 7 to 10; and size 24 inches for 24- to 28-inch inseam and age 9 and over. Keep in mind, however, that your child may not necessarily adhere to these generalizations as a result of other factors such as torso length, arm length and flexibility.

Sizing Requirements

Do not buy a bike for your child without first observing your child on the bike. When straddling the top tube of the bike with his feet flat on the ground, your child should have 2 to 4 inches of clearance between his crotch and the top tube. After moving his bottom onto the seat, your child should be able to touch the ground with the balls of his feet; when pedaling, his leg should remain slightly bent when the pedal is in the lowest position. Adjust the seat height if it is too high or low. Your child should also be able to comfortably reach the handlebars.

Getting Help

If you are concerned about or having trouble finding the right-size bike for your child, consider purchasing your child's bike from a specialty bike store or other retailer that employs people qualified in fitting bikes to customers. These employees will be able to expertly select the right bike for your child.

Other Considerations

Always buy a bike that fits your child now, rather than attempting to buy a larger size to allow room for growth. A bike that is too large for your child to handle may damage your child's confidence and endanger his safety. If your child appears to be between sizes, it's usually best to select the smaller size. It's easier to adjust a smaller bike for a larger child than make a larger bike fit a smaller child.

References

Article reviewed by Tad Cronn Last updated on: Feb 21, 2011

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