Possible Clues:

• A rhyme for really dangerous move on bike?
• It's performed by a cyclist
• Balancing act hard: little story written about that
• Basic bicycle trick
• Part of foot that is bearing weight in bike stunt
• Thrilled comment about priest's riding trick
• Cycling manoeuvre
• Work with one on foot going to Ireland for a bike stunt
• Simple bike trick
• Hazardous 55-Across maneuver