Where to get a proper dataset collection for bikes and cars
Bike and Cars database

http://www.emt.tugraz.at/~pinz/data/GRAZ_02/

http://homepages.inf.ed.ac.uk/rbf/CVonline/Imagedbase.htm

Hope this helps .. Download the bike.zip and cars.zip files and extract it.. If it is correct, click the tick mark to accept the answer.