New to the forum so I apologize if this has been addressed before, but I hope someone can provide so assistance.
I have XT hydraulic discs. The front brake lever will almost touch the bar and then pump up with repeated application only to let down again if I don't use it for a while. Obviously, this can be, um, surprising on a fast descent after a climb (when they pump down). What is this telling me? Do I need to bleed them?
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Thread: XT Brake question