Originally Posted by
crushkilldstroy
The tension does change, but I haven't ever had a problem with it.
OK.
Originally Posted by
curiousincident
I've got a biopace on my old Schwinn Impact I'm converting to fixed for winter riding, and the tension changes just a little bit because they aren't perfectly ovalized, but sorta egg shaped.
The first time I took it off to clean I accidentally oriented it the wrong way with the cranks without realizing, I rode around thinking those things were the biggest POSs ever... now I like 'em.
And nice build, looks really fun to tear around on.
If they're eggshaped and not oval, does it mean they are not the same shape whether you're pushing down the left or the right pedal?
One more thing: I recall something about not all non-circular chainwheels being BioPace. Some are, and some are something different. Not circular but not Biopace, either.