Originally Posted by Ken Cox
Shimano might have meant a 44t biopace ring as a middle or inner ring on a multi-chainring geared bike.
Yes, the 44 was for the middle of the "touring" 110/74 mm set: 50-44-28.
Originally Posted by Ken Cox
If so, Daveed might consider flipping the ring over so the chainring bolt countersinks go up against the crank star. [spider]
Yes, if you mount it on the outside of the spider, you should do it that way. It was originally intended to go on the inside of the spider.
Sheldon "
http://sheldonbrown.com/biopace " Brown