my uncle gave me a speed king to practice with, and if it wasn't so darn old, it would have been smoother. as it was, the ball bearings fell out of the thing....but he said it was smooth as anything back in the day
I LOVE MY SPEEDKING! I will never use anything else. Its cheap and reliable. There easy to set up, plys the springs are contained inside the housing so theres no breakage that can affect them. There easy to adjust the tension, you just put a screwdriver up the housing on the side. I love the stock hard felt beater that comes on them. The speedkings were the grandfather for the Axis direct drive pedal.