Kai Host was worried his e-bike would run out of battery, so he went faster to stay ahead of his father who was riding behind him along a shared footpath on a bridge in Sydney's south.

Riding a bike that had been modified to increase speed without his mother's consent, the eight-year-old then clipped a rock, which made his bike slip into a traffic bollard.

Kai was then thrown into the fence that separated the footpath from traffic.

He remembers not being able to get up and his leg moving "a different way" before falling unconscious.

"I felt like my leg was disconnected,"

Kai said.

Kai broke his femur and sliced open his stomach in the accident.

Nurses told his mother that he was lucky to be alive.

"If you get one of your kids these bikes, you've got to plan for the time off if they

See Full Page