Yes, you can change the default options. You have to edit the shell script at /etc/udev/scripts/mount.sh.
Around line 39 the filesystems get mounted:
if ! $MOUNT -t auto -o dirsync,noatime,umask=0 $DEVNAME "/media/$name" && ! $MOUNT -t auto -o dirsync,noatime $DEVNAME "/media/$name"...