jez-4-bikes-max":39p9sea4 said:It wasnt THAT bad
Lid":3akwdwof said:WAS Biopace cool? Well yes it was.....when it first came out it was the next index/hyperglide/spd step forward by Shimano. Probably their first banana peel.
Thunderchild":35i3yzvy said:Anyone remember watching the rear derailleur on your buds biopace who was riding ahead of you. I seem to remember it moving (tightening and slacking) with the biopace.