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I would assume the 110x0 and 105x0 are the same, and the 85x0 and 90x0 are the same. I found that photobucket image somewhere, and I calculated those numbers in the top right of each stem for my personal purposes. It's the horizontal increase in reach compared to the 85x0. i.e. the 70x30 is 25mm farther back than the 85x0.