Brake question

I have a pair of brembo 4 piston calipers on my tz250 race bike and I want to put a brembo radial mastercylinder on it can anyone help me out with what size I will need? Also where is the best place to buy one thanks Steve

What size piston bore are the calipers?

I have a pair of brembo 4 piston calipers on my tz250 race bike and I want to put a brembo radial mastercylinder on it can anyone help me out with what size I will need? Also where is the best place to buy one thanks Steve

roadrocket in melbourne have them.
the web site says. 16mm for single disc, 18mm by 19mm or 20mm for duel discs with 4 piston calipers.
looking for brembo MC myself.
one for sale on fomula extreme, but not the one im looking for.

How much do they go for second hand?

How much do they go for second hand?

the one on formula extreme is under $300, 285 or 295 i think, new over 500, one i was looking at from roadrocket was just under 600, but im ptetty sure their are a few different types.as in different construction.