I am looking for a replacement of an old Shimano STX right shifter, from a Raleigh MT-200 (I am pretty sure this is accurate). It is an integrated shifter, 7 gears, cantilever brakes.
Other than getting a vintage part, which is hard, I found Shimano ST EF-51 may be ok. But I am not sure if they are ok for cantilever or V-brake. Any hints?
Are there any other options out there?*
As linked here, 8 speed shifters seem to work ok.
Would 9 speed shifters also work? Where can I check specs to confirm this (I would have to check the pull length, probably a piece of information hard to find)?
EDIT: Found an answer here for the first question.
EDIT 3: Any suggestion about this Vintage Shimano Altus 3/7 in ebay (ending today)? Is there anything specific that I should ask to evaluate its usefulness?