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We used these exact brakes on some bikes at work because they seemed to be the only ones in stock (usually we'll use Tektro). Turned out to be a huge headache, something like 90% of them are failing - that little red cap doesn't have nearly enough thread to properly hold in place and will explode if you apply a little more force - say, on a sudden stop for instance. Instant QC fail. Thousands of units being sent back now.
I have a closer look and turn out the brake is a cable hydraulic one, I misunderstood his comment when he said cable to hydraulic thinking he meant "mechanical over hydraulic".
It look like a cheaper version of the already cheap Juin Tech one, ZOOM filled me with delight.
I like how it said "do not loosen it" on the calipers.