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Single vs dual disc

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  #11  
Old 05-27-2018, 12:01 PM
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Time to do some research on braking principles and terminology. Pascal's law, piston ratio, lever ratio for starters. Then friction materials, heat transfer & dissipation, Don't forget tire selection. Then you're just down to chassis balance, suspension setup for weight transfer, etc...the little stuff...

This is a complicated topic and I know just enough to know I don't know ****. I decided to just use a factory design with good rotors and pads. Perhaps it will interest you more and you will dig deeper. Keep us posted!
 
  #12  
Old 05-27-2018, 01:21 PM
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Originally Posted by cggorman
Time to do some research on braking principles and terminology. Pascal's law, piston ratio, lever ratio for starters. Then friction materials, heat transfer & dissipation, Don't forget tire selection. Then you're just down to chassis balance, suspension setup for weight transfer, etc...the little stuff...
Yup.

"Goldang it Bubba, it should be obvious to anyone with half-a-brain that a dual-disk will stop twice as fast as a single-disk", ain't gonna cut it.
 
  #13  
Old 05-27-2018, 03:33 PM
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I have dual Tokicos up front. Running two individual brake lines instead of a block setup, EBC HH sintered pads, stock rotors, Harley 11/16" master, and a right hand lower from a Low Rider. I'll probably get nicer rotors this year, likely 11.8" Galfer Waves, but I'm pretty happy with my setup. Another thing to look at is your front suspension, if it's stock then that likely needs to be addressed also. Cartridges with adjustable compression/rebound helps with braking and you could have the best components for dual disc but with the crappy stock front suspension setup you'd likely have too much dive during braking to make it that effective even if you were effectively using the rear brake. Most of my money in my bike is in the front end: the brake setup, cartridges, FXDWG tubes, fork brace, and GPR stabilizer. It all plays together but it depends on what your budget is. I could have spent far more on things like rotors, a radial master cylinder, nicer calipers, etc. but I get enough performance with what I have.
 

Last edited by Kraken; 05-27-2018 at 03:35 PM.
  #14  
Old 05-27-2018, 04:00 PM
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Thanks guys!

Ok, now that I know what I should know makes me a bit nervous

I think I have the right setup overall - fully adjustable catridge in front, good front tire(shinko 777) and braking experiences from sport bikes... although only driven on the street.

I’ll update this post when I have found a rotor I like. Will stick to the single disc with brembo caliper. Proper pads and rotor next.

What’s the benefit of individual brake lines instead of block?
 

Last edited by Bob_fxdb; 05-27-2018 at 04:03 PM.
  #15  
Old 05-27-2018, 04:26 PM
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Originally Posted by Bob_fxdb


What’s the benefit of individual brake lines instead of block?
Cheaper. Better feel at the lever.
 
  #16  
Old 05-27-2018, 06:31 PM
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I went with dual radial mount Brembo M4 calipers up front with braided Magnum Shielding lines and 13.5” rotors. Also a Brembo M4 on the back with stock diameter rotor.
 
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