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2021 Benelli Leoncino - 2017 CSC RX3 - 2017 SSR Buccaneer 250i - 1979 CX650 Street Scrambler
1,592 Posts
Might be worth a cognito-moto offset tree for that R4 front end. Might be cheaper than re-engineering the whole thing again.


167 Posts
same diameter

same offset

as you can see in this picture above the friction zone for the new rotor is will only accept the 2 piston caliper no the original single piston one

no clearance issues other than the little rubber boot around my speedo cable rubbed a bit (not shown in this picture)bit i just trimmed the boot with a razorblade and it fit perfect

i also used a scotch bright pad on the inner aluminum carrier to get rid of that "pot metal" diecast surface

parts used: from the top down

1. stock or equal aftermarket cx500 master cylinder

2. i recommend a steel braided brake like

the above is optional so mroe importantly...

3. 2 piston caliper off of a cb900F

4. EBC brake rotor MD1036LS for the left side rotor MD1036RS for the right side rotor

A couple of questions for you Adam. How big of a performance difference in terms of breaking did you notice overusing the stock caliper rotor and master cylinder? When I replace my brakes I plan on using this method I do not however think that I need drilled rotors.
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