What are the most crucial tactical elements to consider when attempting a breakaway, and how can riders effectively anticipate and prepare for the inevitable chase group that will form to reel them back in? How do experienced riders balance the need to conserve energy for the final push with the necessity of maintaining a gap over the chasing group, and what specific skills or techniques can be practiced to improve this delicate balancing act? What role does course knowledge and familiarity play in the success or failure of a breakaway, and how can riders without extensive knowledge of the route adapt and make informed decisions during the heat of the moment?