I love your Clockwork
I had one in that bright orange colour bought new in 1994.
I loved it and thrashed it and it lasted a long time.
Here's my current Clockwork:
You should be able to get any parts you might want in this site's classified ads. The LX groupset on yours looks just right though so unless something is broken i'd see no need to change anything.
I've now got Pace RC35 forks on my Clockwork and they suit the bike well if you want some bouncy forks.
1994 Orange Clockwork
1995 HSW Popcorn Blizzard
1997 Orange Vit T2 - For Sale!