Depends how far Im going, if its a big day out i.e. a full loop of glentress black where it gets pretty remote then I take the following
Really? For a trail centre? I can understand if you’re heading into the wilds miles from civilisation, but not a trail centre! It’s not that long, it’s 20 miles FFS! A stove? Kettle? Are you serious!? 3 tubes!?
I carry: CO2 pump, a tube if I see one as I’m walking out the door, a small multi tool, phone, £10.
If I’m going for a really long ride away from civilisation and the weather looks iffy I may take a gilet!
Spare spokes? Why bother, a broken spoke is never going to be completely terminal, and if it is, sticking a couple of new spokes in probably won’t solve it. Do you also carry cassette tools!?
Brake pads? Do people really honestly stop at the side of the trail in the sort of wet, cold, filthy conditions that would destroy pads and replace them!?
I can understand first aid kits and what not, but not a whole bikes worth of spares! A rear mech and hanger makes more sense than spokes IMO!