• Park tools tooling looks interesting:

    https://www.youtube.com/watch?v=k91lB1zMhfk

    A trick I used with my MTs: once the system is 'full' rubber band the lever to bars so as to isolate the line and the calliper. Then create a vacuum using the lever syringe. Release / Pull / Release / Pull until no more bubbled or boredom sets in. Then release the elastic band.

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