Sky-sled

Hoverscooters are a Transformer vehicle found in the Generation 1 continuity family.

It actually plays the first few bars of 'Dixie' when he does that.

A hoverscooter is, well, a scooter that hovers. It has no wheels. A Transformer can fly them through the air. While standing on it.

Their capability for dangerous speed is favored by younger riders.

Fiction

Marvel Comics continuity

During Unicron's attack on Cybertron, Nightbeat, Siren, Jazz, and Hot Rod are seen riding hoverscooters into battle. On the Edge of Extinction!

From Teletraan I: The Transformers Wiki, a Wikia wiki.