Several of those have incorrect frames:

https://www.freepik.com/free-vector/cyclist_23714264.htm

https://www.freepik.com/premium-vector/bicycle-icon-black-li...

Or missing/broken pedals:

https://www.freepik.com/premium-vector/bicycle-silhouette-ic...

https://www.freepik.com/premium-vector/bicycle-silhouette-ve...

http://freepik.com/premium-vector/bicycle-silhouette-vector-...