This is a great bike for boy/girl 6-10 years old. This bike has a lot of life left in it and could probably last through several kids. The tires are holding air. My daughter is 5'2" and is too tall for this. 1x7 gearing. Rim breaks. You can't go wrong with this bike.

More info from manufacturer:

https://www.specialized.com/us/en/hotrock-20/p/184498?color=298845-184498&searchText=94018-7109