If anyone is like me and sick of cocking about bleeding rear brakes I can highly recommend putting a Stalhbus self sealing bleed nipple on the calliper
Fitted one today on the 12R (along with a new master cylinder) and they make filling and bleeding an absolute breeze.
Not cheap but soooooo easy
http://www.stahlbus.com/products/en/...stem/index.php
Ped