I stretch after riding, not before. But foam rollers before, when I have time. (And if I was sore, I would make time.) Calf is not entirely easy to do with foam roller. (Trigger Point Release For Beginners) Lacrosse ball can help. (Lacrosse Ball Massage for Sore Muscles | Shape Magazine) Also, one thing that might help indirectly is massaging feet with this: https://www.amazon.com/TriggerPoint-...no+foot+roller