I really want a set of Tech 4's, but they're not offering them as lever only yet. As far as I understand, the calipers haven't changed from the Tech 3
According to Hope
Both 4 piston calipers have been updated and utilise hybrid style stainless steel pistons with a phenolic insert.
But the changes are mostly the lever I think
@TooTallTim started
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I really want a set of Tech 4's, but they're not offering them as lever only yet. As far as I understand, the calipers haven't changed from the Tech 3