It could be, but brake drop can be any arbitrary value a designer decides to make it, not a standardised dimension which has to fit other parts. If Tektro say 49-59, it's most likely because they mean it, and they're not under any pressure or obligation to replicate the 47-57 of Shimano mid-reach models.
It could be, but brake drop can be any arbitrary value a designer decides to make it, not a standardised dimension which has to fit other parts. If Tektro say 49-59, it's most likely because they mean it, and they're not under any pressure or obligation to replicate the 47-57 of Shimano mid-reach models.