I have a set of Formula Oro K-18s. They're from 2008 or 2009, IIRC. The rear brake is internally routed, so when I installed them I had to disassemble and bleed the rear brake. Formula specs DOT 4, but I used Avid 5.1. I went to tune my bike for the season, and found that my rear brake caliper seals were leaking and my pads were soaked with brake fluid. The front brake seals (with the OEM fluid) appear to be fine.
Is it possible that the 5.1 fluid caused premature damage to my seals? Or is it just a coincidence?
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