"Mountech front derailleur" can you tell me more about the FD? i had no idea!
the shimano RD is ****, i'm pretty sure. it's heavy and rusting, which can't be a good sign!
EDIT: the RD is an rd l541. some sport replacement for whatever was on there originally, i'm sure.
http://velobase.com/ViewComponent.aspx?ID=55bf0334-f0fb-4472-b0a1-b92e43abaadd&Enum=108