Which of these provisions is part of the Eighth Amendment?

Reasonable bail must be set.

Explanation:

The Eighth Amendment of the US Constitution states:

"excessive bail shall not be required, nor excessive fines imposed, nor cruel and unusual punishments inflicted."

The federal government is prohibited from imposing any of the above-stated norms on the citizens. Any punishment of cruelty is prohibited and excessive fines are also prohibited according to the law.