In an old thread here, marshal (IIRC) says to use a 3.5 x 7mm "junior" drill bit to mount DPS skis, due to the thinner profile of the skis.
[EDIT] -- CONSENSUS AND DPS' INSTRUCTION IS TO USE A 4.1 X 9MM STANDARD BIT. DO NOT USE A "JUNIOR" BIT.
In the email from DPS that accompanied my recent order, DPS says to use a 4.1 x 9mm bit.
I emailed DPS to ask why I shouldn't use a 3.6 x 9mm standard bit (and why they recommend a 4.1 bit), as I don't think these skis have any metal in them -- and a 4.1 bit is generally only recommended for a metal-topsheet ski. It's been several days, and am still waiting on a reply from DPS. Does the carbon fiber in the ski act similar to a metal topsheet, and require a larger drill hole in order to avoid mushrooming?
The skis in question are '07-08 Lotus 120, 190cm. I'm putting Dynafits on them.
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