I'm building a balance bike for a daycare kid. He is tall so I have a longer frame for him, but I think the tires might he too big. Can I put 12.5" tires on forks for 16" tires?

  • The main issue will be brakes (if you have any).
    – mattnz
    Commented Sep 16, 2019 at 2:27
  • No brakes no chain just the feet.
    – Kyle Fuson
    Commented Sep 16, 2019 at 3:51

1 Answer 1


Assuming: - the axles are of a width that they will fit the dropouts and can be tightened down enough to prevent the wheels from falling off - You don't have brakes or a drive train to consider (which you said you didn't in the comments)

...then why not? The bike will look a little funny, but the kid will dig it.

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