Police say that a male cyclist was found on Pollock Road, west of Kennedy Road, at about 4:45 a.m. Sunday.
A subsequent investigation has determined that a dark silver or dark grey Nissan was involved.
Police are asking the driver of the vehicle to come forward, as well as any witnesses.
Anyone with information is asked to contact investigators at 1-888-876-5423, ext. 7704, or to call Crime Stoppers at 1-800-222-8477.