I've had success dropping the wheel out, giving the lever a little squeeze to over auto adjust and popping the wheel back in (top up reservoir if wanted), but it'll ease back to where it was as the pads wear, was mainly a problem for early shimano road systems.
I've had success dropping the wheel out, giving the lever a little squeeze to over auto adjust and popping the wheel back in (top up reservoir if wanted), but it'll ease back to where it was as the pads wear, was mainly a problem for early shimano road systems.