You're asking about breaking stuff or about bringing your bike to a stop with your brakes?
OK. You don't use both brakes at the same time?
Squeezing both levers is the most common procedure.
Weight transfer with slowing generally causes the front brake to do more of the work than the rear.
What is your technique?
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Bacchetta Giro A20, RANS V-Rex, RANS Screamer