I have a 2004 Spec. Demo 9 Pro. Yesterday while riding I shifted the chain into the spokes. After some maintenance today the bike is back to normal, except for one thing I noticed when I pulled the cassette. A few of the spokes behind the cogs were chewed up. Three of the spokes are cut almost 1/3 the way through their diameter. The rest have only superficial damage. My question is, should I go through the trouble of re-lacing new spokes now? Or should I just keep riding it and everything will be ok. I can do the repair but it is a pain in the arse when you consider everything involved. Is this as big a problem as it seems, to look at the spokes makes me cringe a little thinking the wheel will explode next time I do a drop.