Originally Posted by
sean.hwy
The fixed ( non coasting ) spin class bike hurts my knees also when I sprint then need to slow down slightly. I wonder what the logic is in not having it freewheel. Seems like such a bad design.
The logic is that it's much easier to spin high rpms on a spin bike than on a freewheel bike because the flywheel does the work to get your feet through the dead spot. That's why they're called spin bikes. Knees need work. Do you run? hike? Do weights? Knee tendons are probably a little weak.