Originally Posted by
madpogue
This is going on very faint memory, from BITD when it was introduced, but doesn't Biopace have five phases, actually?
Yea, I don't doubt it, they are severely messed up! :-P
Looking at a BP ring I can sort of make out 4 lobes/peaks, but all in all they are fairly close to oval.
If the BP rings do help your knees scarlson, I have some I'll send along to you for the cost of postage.