Originally Posted by
Nightshade
Try a pair of "knee savers" to get your pedal stroke perfectly inline 360 deg of pedal stroke. No
twisting of the knee at the bottom of the stroke with these babies!!
I use a pair on my trike & both bikes. Wonderful comfort now!!

http://www.bikescor.com/product/knee.htm
I use one of these for just the right leg. Too bad you have to buy a set. They ain't cheap.