Clue: Shabby Italian rider's content to go up bridle path (6,3)
Answer: ROTTEN ROW
Explanation: Definition: bridle path
A reversal ('to go up 'in a down light) of WORN ('shabby') plus [d]ETTOR[i] (Frankie, jockey, 'Italian rider') minus the outer letters ('content'). Rotten Row is a bridle path in Hyde Park, London.