Campag groupset, Fulcrum hub - options for bigger cassettes?

alex_uk Posts: 56
edited October 2012 in Workshop
My road bike has campag derailleurs and fulcrum hubs. I'm not sure what freehub is on there.

I'm interested in putting on a cassette with larger rings, especially the lower gears, to aid hill climbing.

But I'm not sure of which manufacturers I should be looking at.