Originally Posted by unworthy1

allow me to piggy-back on this thread: I'm trying to help a friend with a similar bike, a 1985 Trek 620. It has the same gearing 50/45/28 triple with a 5-speed Helicomatic in the back with 28t cog. We have determined that the Huret Ecopar is toast and have swapped in an early Shimano Deerhead RD but it's not happy shifting this modest range, either...you'd think it would be a walk in the park for it. The original Huret FD does an OK job shifting the big jump from 28 to 45, but it wouldn't hurt to find something even better: any specific suggestions for a "three dimensional" FD that would do the job? I'm going to try another approach and check out the RD hanger for straightness any maybe swap in a newer chain, tho the old one still shows no real stretch...It has new cables and housing...