Happy Holidays! My son recieved this bicycle (brand new) as a Christmas gift a few years ago. We finally tried it out for the first time last summer and unfortunately by the time we decided to give it a spin he was too big for it. (His knees kept hitting the handle bars lol) ************************ About the bike -Im not entirely sure about the specs, it maybe 16" it maybe 20", Im sorry about that. - We took it to the bike shop, besides filling th