• If he's 12 years old there's no way he needs anything smaller than 20 inch wheels. for a start he's right at the age where he's gonna start to grow really fast too.
    If he has a 16 or 18 inch wheeled bike he's gonna look like he stole it from his little brother.
    My son has been riding 20 inch since last year on his 9th birthday.
    GT make really nice off the peg bmx's...not too heavy, and look really nice. The one we got had proper 3 piece cranks too.

    This is the one we got him...GT Fly.

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