- I had the top tube replaced on my MB2 by a local frame builder. It
was more an excercise in learning about steel frames and getting to
know a lifelong cycling fanatic than restoring a classic frame since
the frame is pretty beat up and not worth much. As a matter of fact
the frame can't be worth the $197 it cost to have a new tube put in
it. However it was a fun way to blow 200 bucks.