All tried and true. Just bring:Got Shimano? Get a Bleed Cup and their oil.
At first sign of wandering bite point, Bleed Cup the lever. That's all you really have to do. No syringes, no caliper jackassery. Really. Bleed Cup the f*ck out of the lever. Takes less than a beer's worth of time.
My 2 cents. YMMV. Like and subscribe. OMGWTFBBQ. MBA PMP Certified SAFe Agilist. (Now I'm just making fun of people I work with) Oh and for the dentists, ADA approved.
Beer (or 2, depending on length of ride)
and you’re golden.