Why is this travel?

[Raymond]

Originally Posted by potato

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we can't just call it illegal because the official aren't sure when the player ended his dribble and established his pivot.

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When a player ends his dribble the official on the ball then needs to determine which is his pivot. Any determination about travelling is based on that, period.

There are specific rules to how jump stops are officiated.

If a players can take 4-5 steps while the ball is touching his hand then the ball has come to rest and his dribble has ended.

I don't know what else you are looking for. Any question you ask about travelling needs to begin with "A1 ends his dribble with **** foot/feet on the floor" (**** = "right", "left", "neither", or "both").