The most dangerous practice for bikers is to ride against the traffic most bicycle-car collisions happen when bikers fail to ride with traffic. what is the best way to rewrite the sentence above?

Explanation:

Most of the bycicle-car collisions happen when bikers fail to ride with traffic. That is the reason why the most dangerous practice for bikers is to ride against the traffic.

Or

Most of the bycicle-car collisions happen when bikers fail to ride with traffic, and for that reason, the most dangerous practice for bikers is to ride against the traffic.

i feel as if they would both catch on before to long because they would see them to frequent