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Originally Posted by HondaGalToo
I'm not Burn,  but the numbers refer to the dimensions of aftermarket master cylinders. The 19x18, for example, the 19 is the inner diameter of the cylinder, and the 20 is the inter-axis between lever fulcrum and point of suport to the piston (in mm's, I believe). I got that from a website. 
The 16x18 is for single discs, the 19x18 and 19x20 are for two disc systems.
(I have a Brembo 19x18 on my 929) |
LOL Judy...ok the first # I'm fine with...but the inter what between the what with the what?
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