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1

They are different frames, with the VWD being lighter than the normal one. It is claimed that other properties (stiffness, comfort, shape) are the same, though. This thread, in particular the post by em3, point to the following links from Cervelo: a,b.


2

Based on your comment, I think I may have misunderstood your original question. Most bike shops I know seem to be "licensed resellers" for just a couple of brands. My local shop, for example, stocks only Bianchi and Specialized. If I want to buy a Trek I need to go someplace else. A lot of web sites in the cycling business (certainly in the UK) are ...


0

That's how surface corrosion (homogeneous corrosion) looks after growing beside a paint coat. I've seen several times that kind of corrosion in car panels (automotive engineer here) Dunno what your frame material is, but you can try cleaning it with isopropil alcohol, and then cover the area with some type of grease. If the frame is too new I don't think ...


0

As Marc said, with the heating of the frame, it's impossible to know how strong it is but I wouldn't ride it. Given you can pick up a carbon frame and fork from a reputable Chinese manufacturer for a few hundred dollars, the risks are not worth the rewards. Get the parts, dump the frame and then buy something else (a second hand Madone frame can't be that ...


5

It looks like cosmoline which is a waxy rust preventative. It can be difficult to remove from finished parts without damage to the paint. If you can, scrape some of the heavy stuff off with something like a plastic knife. Then I would try something like WD-40. If it doesn't soften it right away soak a rag and wrap it around the fork tips over night. You can ...


1

If I had to take my best guess I'd say it's some sort of epoxy or resin. Lord knows how it got there. I would start by trying to get it off with rubbing alcohol. That shouldn't do anything to the paint, and might take it off. If it looks like it's helping, I'd feel free to soak the stuff for a while, it won't hurt. If that doesn't work you may have to ...


2

Riding without enough seat post in the bike is a real problem. Not only do you increase the mechanical advantage of the seat post against the seat tube but you put stress where the bike was probably not designed to take stress. And you are putting stress in the area of the top tube and seat stay. You state you have been riding with a longer post. Have ...


-1

Using a small butane torch, heat the seat post till it breaks free from the frame.


2

Your bike is a JC Higgins sold at Sears stores. Not exactly sure of the year but I think most Komet hubs were used in the late 50's into the 60's. Just Google JC Higgins bicycle and I'm sure you'll find a picture of one just like yours. Good luck and don't give up on it. When she sees it looking like it did when she was a kid, it will bring back many ...


0

In my efforts to restore a Vitus 979 frame, I found that a combination of coarse and then fine grain bronze wool will eliminate the oxidation and restore the finish of the aluminum. Follow up with Mothers Aluminum Polish. If the anodized portions contain oxidation and pitting, the bronze wool will finish it out but obviously the look will be less than ...



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