Originally Posted by
I <3 Robots
Your bike is probably worth about $150. So unless you plan on keeping the bike for a very long time...I'm not sure I'd drop all kinds of cash trying to make it lighter.
What you can do like others have mentioned is to remove stuff or replace the worn items like tires. By going 1x, you can drop almost 1lb off the bike. Wheels would be next, but they will probably cost triple what your bike is worth.
The previous owner rode it for a handful of times since he bought it in 2010. Its been stored outdoors ever since then.
I used degreaser, wd40 and a tooth brush to clean the bike.