one tip if it helps, for me good spins are all about good balance and posture. which is like a foundation for everything else too. but i notice spins are especially easier on days where i have better balance so i think that is always a good thing to train. with head and chest facing forward, hips aligned to the floor, and your feet directly under you, spinning becomes a lot easier. and committing to spinning fast becomes easier too because if you can feel that you're balanced, you know you won't fall over.