On 06/18/2014 12:23 AM, Michael wrote:
Very interesting info. And specific info. Just what I was wondering.

I like a 12-32t, 28-36-46 setup. I live in rolling terrain that gets hilly the 
further west I go. The granny gear makes me confident that I'll never have to 
turn down a ride for lack of gearing.

I forgot to mention that I am thinking of doing it as a friction shifting 
build, which opens me up to any derailer that can handle a 32T rear cog.
So I guess a Shimano CX70 up front, and that Shimano rear derailer mentioned 
above would work.

I wonder how much weight savings they would be over Deore stuff. Not that it 
would matter, but no use adding more weight to drag up hills onto the bike.




Before you start worrying about weight differences in derailleurs, you might consider whether you've optimized the weight of everything else you carry. Have you weighed your tools lately? Do you routinely empty your bag of the loose change you collect at rest stops at stores? Do you /really/ need that humongous bag? And let's not even talk about trimming weight off the engine...


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