Be sure to check your tire pressure regularly. Punctures and premature wear happen more frequently on underinflated than over inflated tires.
When riding in traffic it is important to have a rear facing red light. Flashing lights are more easily noticed than steady lights. They also last typically twice as long compared to always on lights.
Cyclists must obey the rules of the road. Avoid uncertainty with drivers and other cyclists by signaling your turns and stops.