20 inch

This is a medium youth size.
Seat tube: 26cm
Top tube: 37cm
Suitable for a leg length of 21+ inches.

Collectable/vintage gas tank bicycle

This is a medium youth size.
Seat tube: 28cm
Top tube: 46cm
Suitable for a leg length of 23+ inches.

This is a 20" youth size.
Seat tube: 27cm
Top tube: 46cm
Suitable for a leg length of 18.5+ inches.

This is a 20" youth size.
Seat tube: 26.5cm
Top tube: 46cm
Suitable for a leg length of 20+ inches.

This is a medium youth size.
Seat tube: 25cm
Top tube: 46cm
Suitable for a leg length of 16+ inches.

This is a 20" youth size.
Seat tube: 32 cm
Top tube: 42 cm
Suitable for a leg length of 22+ inches.

Folding, 7-speed, Adams Trail-A-Bike, with fenders
This is a medium youth size.
Seat tube: 27cm
Top tube: 40cm
Suitable for a leg length of 26+ inches.

This is a large youth size.
Seat tube: 33cm
Top tube: 46cm
Suitable for a leg length of 23+ inches.