If you have a question on a bike, we may have already answered it for another Joystar loyalist. Check out these FAQs and you could have the answer in less time than it takes to fill your water bottle!

A： Riding a bike is one of the best parts of growing up, and JoyStar offers a full lineup of kids' bikes to start making memories. From the first wobbly strides on the balance bike to the first time hitting real singletrack, our all-new kid's bikes are designed to create amazing first rides - and second, third, and seven-hundredth rides as well. With JoyStar performance and kids friendly features, these bikes are a great start to a life long love of riding. Let's ride together!

A: Great question. We offer kinds of different bikes from age 18 months to 9 years old boys or girls.

10 Inch Balance Bikes – 10 inch no pedal balance bike to help your toddler transition to a pedal bicycle for kids. Very perfect first bike for 18 months to 2 years old toddler.

12 Inch Balance Bikes – 12 inch wheel is the most common tire size for balance bike. Help your child skip the stabiliser stage of learning to ride a bike; riding with stabiliser wheels doesn't require your child to actively balance.

12 Inch Kids Bikes - 12 inch kids bikes are best suited to young children ages 2-4 years old. This bike comes with training wheel to help kids learn how to start riding a bike.

14 Inch Kids Bikes – 14 inch kids bike is designed for 3-5 years kids boy and kids girl.

16 Inch Kids Bikes - 16 inch kids bike also called "middle wheelers" that is the most common size in kids bikes. Perfect for 5-7 years old toddlers.

18 Inch Kids Bikes - 18 inch kids bikes are suited to those aged between 5-9 years old. These bikes typically equipped with kickstand for elder kids to stable the bike.

A: JoyStar bikes are available in 10", 12", 14", 16" and 18" styles (the number refers to wheel diameter in inches). The best way to determine which size is right for your kids is to go by their inseam. Check the size chart below.

A: 12 inch bike Net Weight is 18.5 lbs; 14 inch bike Net Weight is 19.2 lbs; 16 inch bike Net Weight is 21.5 lbs; 18 inch bike Net Weight is 22.8 lbs.

Please visit the “Register your Bicycle” page or send in the registration page from the Owner's Manual to register your bike.

You can find out your frame size by measuring the seat tube - start in the center of the crank and measure to the top of the seat tube (do not measure the seat post or seat).The serial number is imprinted under the bottom bracket.

Many replacement parts can be directly purchased at any local bike shop; your local dealer can support any of your needs. If you have questions, connect with our bike experts via the Contact Us form, Just email us: joystar_service@joykie.com

Unfortunately, at this time we are only able to accommodate orders within the United States.

Once your order is placed you will get an email confirmation, and once it has shipped you will get an additional email with a tracking number. For any other order-related questions, you can contact with us via email: joystar_service@joykie.com and we will reply within 24hours.

A: Please don't worry about it. Just feel relex. 85% of the bicycle parts have been finished installation. You just need to install handlebar, pedals, saddle and training wheels by yourself. We have guidance pictures showed at product detail page or have a look at the video teaching you how to install the bikes.

A: YES! All bikes enjoy one piece free shipping.

A: We deliver the bikes from the U.S.A warehouse. It takes 3-7 days to arrive you.

A：You will receive a confirmation email informing your order is received.

A: We provide one year warranty for the bike and if you have any problem of the bike, please contact us and we will try our best to solve the problem. Besides, the frame of the bike is guaranteed with lifetime warranty.

A:Thanks for thinking of us! Due to a large number of donation requests, there are only so many we are able to fulfill. If you'd like to submit your proposal for consideration, please put a request through on this form .