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Hi All,
I've got a Salsa Fargo that is my commuter/tourer and I've recently put drop bars with Shimano 105 brifters (5703). These were mixing with the old Deore 9-speed derailleurs and getting along moderately well, although indexing wasn't great. It got worse and worse (I think this was my error - I failed to put outer endstops at the shifter end and the cables were getting jammed) and I convinced myself that what I needed were new 10-speed derailleurs (Deore - RD-M610GS and FD-M611).
As I understand it, these should be compatible in terms of cable pull, yet the right shifter appears to be only pulling about 7 gears worth. This time I've definitely installed the cables correctly and they're pulling smoothly. Can anyone help (or point me elsewhere)?
I've not checked the hanger alignment, but I don't think this could make this much difference, could it? The top and bottom stop screws are correctly set, as is the B-tension screw, and manually pulling the cable will get the derailleur to shift correctly through all the gears.
MTB 10sp mechs/shifters have a different pull ratio, your 10sp road shifters pull the same as 9sp (or less) MTB shifters, so need that type of mech to work.
Thanks coatesy. And, @rse.