A A Z Guest Mar 23, 2009 #1 I was in a spinning class and the spinning instructor turned my tension knob to make it more resistances, but I told her my knees hurt and I didn't want to go with that much tension.
I was in a spinning class and the spinning instructor turned my tension knob to make it more resistances, but I told her my knees hurt and I didn't want to go with that much tension.