Why isn't it? Not sarcastic, actual question
Technical reason: different rear mech pull ratio
Possible solution: mix road 10 speed shifters and 9 speed MTB rear mechs.
Seems like an odd decision from Shimano.
@Howard started
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Technical reason: different rear mech pull ratio
Possible solution: mix road 10 speed shifters and 9 speed MTB rear mechs.
Seems like an odd decision from Shimano.