If one was to own a R80RT from late 1985, that only has one disc brake, what calipers from other models would fit the throttle side and and what master cylinder, and would anyone have the bits available to convert! 
like this for instance, apologies for using a most excellent pair of pictures out of the fsaw section!
http://www.ukgser.com/forums/attachment.php?attachmentid=240419&stc=1&d=1379680699
http://www.ukgser.com/forums/attachment.php?attachmentid=240420&stc=1&d=1379680733

like this for instance, apologies for using a most excellent pair of pictures out of the fsaw section!
http://www.ukgser.com/forums/attachment.php?attachmentid=240419&stc=1&d=1379680699
http://www.ukgser.com/forums/attachment.php?attachmentid=240420&stc=1&d=1379680733
