Either that or look in the back pages of your local paper, or pop down your local skip / tip place and be polite (with some ££ in your hand) and take one of theirs, or check out one of the bike recycling workshops (there's a couple on ebay - environba or something, but its not that exact word).
Alu will be (a bit) harsher than an old steel one.
http://www.loot.com/advert/1980s-road-bike/20481937
Raleigh Team Banana £70 in five seconds!
Either that or look in the back pages of your local paper, or pop down your local skip / tip place and be polite (with some ££ in your hand) and take one of theirs, or check out one of the bike recycling workshops (there's a couple on ebay - environba or something, but its not that exact word).
Alu will be (a bit) harsher than an old steel one.
EDIT: that leicester recycling place as an example: http://bikes4all.org.uk/component/option,com_newsfeeds/task,view/feedid,12/Itemid,39/