Having had to replace rear discs and pads, and after some difficulty getting the pistons freed up.

My mpgs improved(better weather also a factor) and in conscience not "hammering" on, though generally sitting about 55 which is staying with the main road traffic flow 

More,

Mostly a mix of 23 mile or 12 mile trips, with a good few hours between arrival and return journies.

Also a wheen o runs to the toon (4 miles) for the messages.