On 08/25/2016 06:19 PM, Tim Butterfield wrote:
Steve,
Thanks for the reply. I'm not sure of the exact wording used to
describe the problem. Part was related to the Dura Ace 7900 down tube
shifter being road and the rear derailleur and 10 speed 12-36 cassette
being mountain.
In other words, you have a Dyna Sys MTB 10 speed rear derailleur, whose
cable pull is incompatible with 10 speed Shimano road shifters of every
kind. Wolf Tooth TanPan will fix that. Or, use a 9 speed Shimano MTB
rear derailleur, which has compatible cable pull and will handle that 10
speed chain perfectly well (lots of my friends are using that setup).
http://www.velocipedesalon.com/forum/f40/what-shimano-rear-mtb-derailleur-use-road-10-speed-shifters-39865.html
https://www.reddit.com/r/bikewrench/comments/2f7o7l/will_dura_ace_7900_bar_end_shifters_be_compatible/
http://www.bikehugger.com/post/view/roadmtb-10sp-shimano-incompati
There might have something else about that combination with the Sugino
XD2 triple crank, maybe related to the 10-speed chain. I forget
exactly. There was too much to take in and process all at once and my
sponge overflowed. :) I'll pass the Tanpan idea on to Roman to see if
that might help any.
If it were me, I'd go with the 8 or 9 speed MTB derailleur. Of course,
the fact that I have a couple of them in my parts box makes that an easy
choice.
Be glad you don't have 11 speed. That gets weirder still.
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