Are Ultegra brifters compatible with 10-speed XT Dyna-Sys derailleurs?

Question

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Road Shifters, Mountain Rear Derailleur?

I'm looking to build a hardtail mountain bike with drop bars for commuting, touring and some occasional light off-road adventures.

Are 10-speed Shimano brifters like the Ultegra ST-6600 compatible with the 10-speed Dyna-Sys XT derailleurs?

Thanks.

+1 for teaching me a new word: brifters = brake / shift levers — Andy, Dec 05 '11 at 13:35

score 3 · Accepted Answer · edited Apr 13 '17 at 12:32

3

In a word, no. Different cable pull ratio on both systems. You can check out this question if you want a slightly more verbose answer.

edited Apr 13 '17 at 12:32

Community

answered Dec 05 '11 at 15:37

joelmdev

1 Answers1