That as simple as a general clean? Which of the cables would need tightening? They dont look slack but must admit never paid a massive amount of attention to it
Il give it a go cheers! So the chain should be at the top
Ring at the back? Currently when I try to change to a higher gear it goes down to the smallest ring
you need to start from scratch and set your high and low end screws first. can the bike get into both high and low gears?