Motorcycle helmet use had dropped in Michigan to 73 percent since a change in the helmet law last year, according to a survey.
This version of Motor City muscle rolls on three wheels — not four.
Authorities say the 16-year-old girl panicked and jumped off the cycle.
Across the nation, motorcyclists opposed to mandatory helmet use have been chipping away at state helmet laws for years while crash deaths have been on the rise.
A man and his grandson were taken to the hospital following a motorcycle accident on Sunday.
A University of Michigan researcher estimates there would have been 26 fewer deaths and 49 fewer serious injuries in Michigan last year if all riders had worn helmets, as it was previously required under Michigan law.
A 36-year-old Roseville man has died following a motorcycle crash on Gratiot Ave. Monday night.
Officials said a biker lost control Sunday afternoon along Rochester Road in Addison Township.
The Third Annual Detroit Bike Week is expected to draw a crowd of thousands to Commerce Township this weekend.
Investigators in eastern Wisconsin are trying to find out why a car crossed into the path of a dozen motorcycles, killing one person and injuring nine others.