lots of posts on www.snowest.com dont ask just go search or they will flame you. search for track porting, or track drilling. you will get alot of hits. i will be doing this this weekend to my new 1.75 track for our trip outwest in a few weeks. ski
There is lots of info on this in the Mountain forum. I can see were it would work great for mountain riding to clear snow from skid and to reduce weight...but I wouldn't do it if you do any amount of trail riding where traction is needed.
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