Surveillance video shows the suspect casing a bicycle on the 1300 block of South 10th Street just before 3 p.m. back on October 8.
Click here to watch the surveillance video
After cutting the chain and lock with bolt cutters, the thief briefly walks away to make sure no one had seen him.
Minutes later, he returns and walks away with the bicycle in an unknown direction.
Police describe the suspect as a Hispanic male, 30-years-old with a thin build, medium complexion and short, dark colored hair. He was wearing a white short sleeve shirt, dark colored pants, and light colored sneakers.
If you recognize this man, call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).