Not to carry over from my other thread, but I usually carry a small multi-tool. You might not be comfortable doing major work on your bike, but you might want/need to adjust your seat or tighten something. I took a fall the other day and somehow twisted my seat out of alignment. It would have been a very uncomfortable ride home if I hadn't been able to loosed the seat post and re-align it. I also second the frame pump - you have the spare tube, but no way to inflate it!