I am installing a 13/48 combo on my 97 XR600. I may want to bump the back up some still (13/50 maybe) and didn't want to cut the chain to short. I have heard this can be depressing! I guess my question is where should I start as far as the number of links is concerned? Keeping in mind I may want to bump the back up. I was running 14/48 with a very stretched chain on what I thought was tight singletrack. I have been informed that it gets tighter and then they will throw in elevation changes. Just in case I wasn't having enough fun Thanks for your help.