Tucson, AZ : 30-year-old bicyclist killed by bike collided with a car on Tuesday September 29 2015.

The Pima County Sheriff's Department has identified a bicyclist killed in an early morning collision in the Tucson area.
The Sheriff's Department says 30-year-old Daniel Wilson's bike collided with a car merging into the right turn lane Tuesday.The department says Martin's bike was equipped with a flashing red ear light but that he was not wearing a helmet.
According to the department, neither speed nor impairment appeared to be factors in the accident.

Source:
Pima County Sheriff's Department IDs bicyclist killed in Tucson-area early morning collision