KINSALE, Ireland — Three days and 225 miles later, a group of almost 100 serving and retired firefighters from New York and Ireland cycled into a garden of remembrance Wednesday to the sounds of bagpipes and applause as they were saluted by Irish veterans to honor those who were killed in the 9/11 terror attacks. 

After setting off from U.S. Ambassador’s Dublin residence on Monday, the hardy group made their way across Ireland’s lush, rolling hills peddling their way to 17 fire stations…