A cycling accident in New York left U2 frontman Bono with multiple fractures that needed two operations.

The Irish singer was in a "high-energy bicycle accident" while trying to avoid another cyclist on Sunday, orthopaedic trauma surgeon Dr Dean Lorich of New York-Presbyterian/Weill Cornell Medical Centre and Hospital for Special Surgery said.

X-rays and tests at the Manhattan hospital revealed Bono had a facial fracture involving his left eye socket, his left shoulder blade broken in three places and a left elbow fracture that went through the skin and left the bone in six pieces.

U2 had earlier described the accident as a "cycling spill".

Dr Lorich said Bono underwent a five-hour surgery that included washing his elbow out, moving a trapped nerve and inserting three plates and 18 screws on Sunday night. The singer had more surgery the next day to repair a fracture to his left little finger.

He will need therapy but a full recovery was expected, Dr Lorich said.

On Sunday, U2 guitarist The Edge, bassist Adam Clayton and drummer Larry Mullen posted that "Bono has injured his arm in a cycling spill in Central Park."

They said the band would have to reschedule its planned week-long appearance on NBC's "Tonight Show" with Jimmy Fallon.