For busa with 2 front disc brakes, Brembo Master Cylinder for front brake with 19mm diameter piston/bore is more suitable. The 19mm bore comes with 3 set of lever ration/pivot distance : 16 , 18 & 20.
19x20 : Very sensitive, brake at slightest pull, street use.
19x18 : Sensitive, slightly more braking effort, street/racing
19x16 : Least sensitive, hard braking effort, pure racing.
EDITED: Apart from the "RCS". The 19 series design comes with 3 different quality of workmanship, newly machined billet, forge and cast. So what's with the cast? Long story so i got a quote from here.
The main differences are the area around the lever pivot on a Brembo is machined flat on bith sides and later cylinders have the dimensions stamped on the top flat, wheras the copies are rough cast. The finish of the copies is a slightly gloss painted type finish and Brembo's are dull anodized finish, the same goes for the pushrod/span adjuster etc, these are gloss black on the copies and satin/matt on Brembo's. the clips for the lever pivot pin is black on the copy and silver on Brembo There is no stamping or etching on the copy levers and are a rougher finish/ not as machined and brembo have the ratio # etched or stamped either on the ball of the lever or in the cut-out just near the span adjuster. The span adjuter on the copy is really stiff and doesn't 'click' nicely. The copies come with a reservoir and hose fitted, there is no branding on the reservoir, brembo's dont come with res and the brembo res has the 'B' logo on the lid. The bleed nipple on the copy is 8 or 10mm nut and Brembo's are 11mm.
EDITED : In general, forged and billet are genuine Brembo product, casted?? no one can confirm what are they.
For busa with capability of hiting more than 300km/hr, most people would suggest 19x20 for effective braking.
Billet
Forge
2 comments:
Brembo is looking to transform itself into a more mass-market brake supplier by taking over North America - most importantly Detroit. How does Brembo want to do that? Of course Brembo will use its already popular name, high-performance racing connection and by its recent acquisition of the brake component division of U.S. supplier Hayes-Lemmerz International.
According to CEO Corrado Orsi, Brembo has about 13 percent of the North American rotor market which represents about $140 million. Now it wants to make nice with the Detroit Big 3 but isn’t giving out any forecast as how it could improve the company’s financial.
Brembo current plans for North America include a new manufacturing facility, targeting upscale and middle-market vehicles and pitching its reduced weight with advanced engineering to FoMoCo, GM and Chrysler.
Orsi says Brembo will continue to supply high-end rotors and complete braking systems to exclusive automakers like Ferrari and Porsche and will also try to be more visible with brands like Hyundai and Nissan.
thanks for the info, but i cant find your lead anywhere.....
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