Prediction: DA 7900 will be 12 speed by 2010
Can't see logic in running two 10sp formats, so DA 7800 will be maintained as a legacy product for a few more years while DA 7900 can be spun off into 12 speed heaven.
If I'm wrong, who will remember in 2 weeks. But if I'm right, I'll be dragging this thread up as an example of my genius.
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“Courage is going from failure to failure without losing enthusiasm." (Churchill)
"I am a courageous cyclist." (SpongeDad)