rust

Hello! I am a triathlete looking to upgrade my training by getting a power meter. I am a poor grad student so I am trying to find a cheap but reliable option. First, any suggestions on which one I should get? I have heard good things about the 4iiii crank arm, stages crank arm, and favero...

So I've been thinking of using some nail paint to paint over parts of my bike that have scratches on it, (things like the handlebars, frame and pannier rack), it's a steel frame and a giant, in the instruction manual it said that scratches can turn into cracks and spread, and I also live near...