How much does it cost to bring a bike on a United flight?

Excuse me, I was wondering if you could clarify the cost associated with bringing a bicycle on a United Airlines flight? I'm planning a trip and would like to bring my bike along, but I'm unsure of the specific fees or charges that may apply. Could you please provide me with some information on the pricing structure for transporting a bicycle on a United flight? Additionally, are there any specific requirements or restrictions that I should be aware of before attempting to bring my bike on board? Thank you for your assistance.