Hi all

I know my drivetrain is worn, but not sure to what extent

I think you can see my jockey wheels are well passed their sell by date and definitely need replacing, as does my chain which has stretched more than 1/8” passed 12 inches. Which would imply that my cassette needs changing, but it’s not that old. Can anyone tell by looking at the photos if the cassette needs replacing aswell?
Adn the chainrings? The middle one looks knackered, but I wonder if I could get away with keeping the larger and smaller ones?
If I have to replace components, that’s fine, but not unnecessarily.

I couldn't attach photos as they were too large so here they are: http://www.thebreadcrumbtrail.org/ga...vel/Bike-parts

Thanks