The cage is bent (if the boys pedalled backwards it was throwing the chain off the chainring). I've tweaked it and it is better, but the chain rattles against the cage when on the big sprocket. The chainline is spot on.
Good call though, I will take it off and try and true it up first :D
I'm doing up an 80s Raleigh 20" race bike for my boys and after the following bits:
5 speed Shimano/equivalent freewheel 14-28t (although the one fitted is 14-26t, can't find one at all)
Sachs-Huret rear derailleur, or a set of good cages for it as it appears the one fitted is all over the...
Hi all,
Posted up briefly in the intro thread but thought I'd do a thread of its own.
I picked up a 1984 Raleigh Corsa 12 last week, it was local and in budget and rather than spend all summer searching high and low for something better/cheaper/etc I thought I'd give it a home and get on and...