Cycling is a great way to get your cardio in, after a good workout it’s normal to feel sore. Drinking lots of water and stretching will get rid of those aches. That is if your soreness and aches did not just come from getting rammed by a vehicle. If this is why you are in so much pain, it’s best you see a doctor. When you are cycling make sure it’s safe to cross, if it is safe be aware that even if you can see the other person they may not be able to see you. Share the road and do not try to take on a Vehicle because the Vehicle will win.