Katana Owners Club U.K.

Posted: **Tue Mar 19, 2013 11:20 am**

I would say the 5/8 as it has twin discs.....................

Posted: **Tue Mar 19, 2013 5:26 pm**

what are the calipers off? find that out then see what bore IT'S master cylinder had

Posted: **Wed Mar 20, 2013 4:27 pm**

I have the same calipers and discs on my ducati.

Where do you measure the size on the master cyclinder?

is it the piston size?

Keith

Posted: **Wed Mar 20, 2013 6:41 pm**

More often than not it's on the underside of the master cylinder Keith.

Posted: **Fri Apr 19, 2013 2:59 pm**

and they look damn fine as well

Pete

Correct Master Cylinder Bore Size? 4 Piston Brembo Calipers