NEW YORK (CNN) -- A New York police officer shown in a YouTube clip knocking a bicyclist to the ground during a mass bike ride in Times Square has left the force.
Patrick Pogan resigned as of February 10, according to a spokesman for the New York Police Department and Pogan's attorney, Stuart London.
Pogan was indicted in December on two felony charges, two misdemeanor charges and one violation after the video clip surfaced, showing him body-checking cyclist Christopher Long from his bike during a ride by the group Critical Mass on July 25.
Pogan pleaded not guilty. He is free on bail, with his next court date set for April 1.
London said part of his client's defense will consist of questioning the police department's training procedures, and he said events that preceded what is seen on the video should be taken into account.
"The video tells a small portion of what happened," he said.
Pogan arrested Long on disorderly conduct and other charges and filed paperwork saying Long intentionally rode his bike into the officer. But District Attorney Robert Morgenthau said the video "showed Pogan singling out Long and purposely body-checking Long off the bike."
If convicted on the felony charges of falsifying business records and offering a "false instrument" for filing, Pogan could be sentenced to four years in prison. The other charges carry a penalty of up to a year in jail.
The Critical Mass event was "a monthly bicycle ride to celebrate cycling and to assert cyclists' right to the road," the group's Web site says.