Hydro maintenance is easy, might be more of a problem if they break, but a broken caliper is a broken caliper hydro or cable, just easier to use something different if they're cable.
It's a lot easier to break a cable than kill a hydro line in the field too.
Just in case there was any doubt: fuck cables.
@snottyotter started
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Hydro maintenance is easy, might be more of a problem if they break, but a broken caliper is a broken caliper hydro or cable, just easier to use something different if they're cable.