Whats in your .bashrc

@thefrog, for graphical you can use these.

Create file:
sudo nano /etc/udev/rules.d/99-usb-sync.rules

Add rule:
ACTION=="add", SUBSYSTEMS=="usb", ENV{UDISKS_MOUNT_OPTIONS_DEFAULTS}="sync"

Reload udev rules:
sudo udevadm control --reload-rules (or --reload)

If it’s not reloading you need to reboot, i chose to reboot because --reload didn’t work. Now it’s working great.