Serious bicyclists, like Lloyd Peters, tell NBC 5 they've had it with the violent crimes against those on two wheels lately--especially on and around the 606, Bloomingdale Trail.
In the past week, police have sent out community alerts about 3 cyclists attacked and robbed by armed men this month.
Peters explains how his friend was the fourth, most recent victim on the 606 on Friday night. The 21-year-old was heading to a friend's house about 10 p.m. near Wood Street.
Lloyd says his friend's was taken by force by a group of young boys.
"Some guys jumped out the bushes with knives basically cut him off," he said.
The friend wasn't hurt, but his $550 bike is still missing.
The bike community has been vigilant about getting stolen bikes back to their owners by using Facebook accounts to track the thefts.
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Police say if you're the victim of a crime like this, try not to panic and remember as many details about the assailant as possible.