Actually just did this 2 weeks ago to my lyrik. My fork had some major issue going on the damper side and pretty much stopped working. Its 4 years old and has seen some heavy use. I knew I needed new lowers since the bushings were shot, so I took it apart for inspection. The rebound damper had some pretty bad wear I figured at that point I should just as well replace the the compression damper to the new DH cartridge. It was still a lot cheaper than buying a new one and my uppers are in good shape so I jumped.
At this point I feel like it was worth every penny. Of course its hard to say the total effect since the old parts had seen some use but the fork is better in every way. I had previously gutted the flood gate on this fork and liked the change. At this point its a pretty fresh change over and the new factor may be taking over a bit but I do think the new dampers allow for more precise tuning. I am really stoked on the rebound changes. I am going to get out tomorrow to play with it some more. I will be doing ride XC ride in morning with some free ride lines in the afternoon so its should be a fun paying with it. I will try to remember to update after the ride. Make sure you get the right mount of oil as it takes more withe new rebound damper.
a positive attitude will not solve all of your problems, but it may annoy enough people to make it worth the effort
Formerly Rludes025
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