Originally Posted by
shine2000
any huffy bike
Is this a joke? They're heavy, but only because they are cheap. OP was asking about bikes that sacrifice light weight for durability. Not bikes that sacrifice quality for cheapness.
Handlebars, wheels, cranks regularly bend and break. The derailleurs and brakes need constant adjustment to get them to work as well as any rusty old Trek 820 you can find in a dumpster.