I used one in the 50's with 46/49 Stronglight chainrings. It worked well. However, I tried it (for a tour) with Williams 36/46 and ended up having to move the chain by hand, as the changer couldn't manage under load with the 10 tooth difference.
Mike Waite Amersham Bucks UK mrwaite@btinternet.com
----- Original Message -----
> CYCLO BENELUX ROD SHIFTER NIB
> Item # 2154311151
>
>
> Has any member every used one of these and how did it work, poor, ok, or
great
> Not the seller
> Charles Nighbor