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Author Topic: Single disc with ABS: what's the best braking I can hope to achieve  (Read 1032 times)
LowercaseJake
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« on: August 20, 2018, 07:07:27 AM »

Without wheel/front end/DUAL DISC swaps which is the no brainer.

OK so I'm talking about a Scrambler here..
I can't ask these questions in the SCR forums or groups bc this bike is so damn popular with make the beast with two backsING NOOBS and the smart people reside here. I'm not even kidding... I noted the sluggish starting and began talking about Ducatis infamously lacking ground strap. I wound up getting flamed in every direction (are you trying to save a whole 2 seconds of your day, what's the problem herpa derp) THE PROBLEM IS ITS BROKEN FROM THE FACTORY AND IS FIXABLE! we all know the multiple benefits of a stout ground wire aside from split second starts... Anyway rant over.

So what I have is basically a M797 (same bike as the SCR for my intents and purposes - I ride my SCR like a sport bike) with a single 330mm semi floating Brembo disc and the ancient but venerable 11mm coffin master. The way I ride, the lack of braking is flat out dangerous. So I'm wondering where you experts would start... Go simple with pad upgrades? Move to a better radial MC from there?

Biggest issue is the ABS... I'm concerned if I just disconnect this and run a diff master or diff caliper etc and do an "ABS delete" this will lead to electrical issues, never ending dummy lights and so forth. If someone can confirm this is NOT the case, I already know what I want - a 15RCS with a Brake tech iron full floater.. Unless there's a better idea.

A 797 front end swap is not entirely out of the question... But I'd like to see what the very best single disc braking power achievable feels like before going that route.

Thank you!
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Speeddog
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« Reply #1 on: August 20, 2018, 08:34:54 AM »

"lack of braking" is a pretty broad description, can you unpack that a little?
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Howie
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« Reply #2 on: August 20, 2018, 08:36:50 AM »

Iron rotor with the right pad would be the best, but you may not need to go that route to be happy,  I can't say about your bike, but Ducati, as well as manufacturers choose brake pad material that lacks initial bite, and a bit of a wooden feelIMO, good for noobies.  well, maybe not the wooden part.  With good pads the four pot single disc 600/750 Monsters were fine on the street.  Anyway before going crazy, you might want to try some HH pads first.  My preference is DP  http://www.dp-brakes.com/
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stopintime
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« Reply #3 on: August 20, 2018, 10:02:08 AM »

We have discussed the ABS delete earlier, right? Anyhow - since then I have asked at least three dealer mechanics without getting a mm closer. The ABS works on input from two sensors, the speed sensors front and rear. If one is 'dangerously' faster or slower than the other the ABS unit kicks in. I'm leaning against letting it kick in as the most secure way of acheiving a trouble free ABS delete. No experience - just my kind of logic.
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LowercaseJake
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« Reply #4 on: August 20, 2018, 06:51:40 PM »

"lack of braking" is a pretty broad description, can you unpack that a little?

You're right, sorry SD. By lack of braking I mean... Say I come up. On an ocean of brake lights unexpectedly. With my prior setup on my old M750, dual gold lines + dual snowflake rotors AND that supposedly crappy (I say supposedly because I always thought that coffin master was underrated)... 2 finger dead stop from 75mph within seconds. Same scenario on the Scrambler which is a far more powerful bike: I grab a fistful of lever, pull it all the way to the grip {using about 20% rear in both scenarios) and the SCR... It stops like an old car... I don't know how else to describe it... It's terrified me a couple times when I've been out having fun, ran into a blind corner too hot and tried to scrub off speed as fast as possible.

Does that help at all? I understand this bike was meant to be a SCRAMBLER but imo it's a spurt bike... I want it to be a sport bike.. And it wants to be a sport bike. The 66mm stroke is just too much fun to pass up on.. The 803cc is simply the most fun L twin Ducati has ever made (again IMHO).

So it sounds, the way I'm talking, is a front end swap with dual discs is really the right way to go... But I'm no Rossi, and I don't mind a snatchy, fast brake. My right hand is calibrated for it. So I guess  just wondering what I can hope to achieve with a single disc, what results different pads / MC / rotor could achieve... Etcetera.

Again Speedog best way to describe the current single disc setup is.. It stops like an old car. Pedal to the metal and hope you stop in time.

The question about installing a setup that deletes the ABS is still on my mind.. Whether or not with it tied to the electronics would I be creating gremlins.
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LowercaseJake
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« Reply #5 on: August 20, 2018, 07:00:43 PM »

Iron rotor with the right pad would be the best, but you may not need to go that route to be happy,  I can't say about your bike, but Ducati, as well as manufacturers choose brake pad material that lacks initial bite, and a bit of a wooden feelIMO, good for noobies.  well, maybe not the wooden part.  With good pads the four pot single disc 600/750 Monsters were fine on the street.  Anyway before going crazy, you might want to try some HH pads first.  My preference is DP  http://www.dp-brakes.com/

Thank you Howie. That was my initial thought - it's not necessarily Ducati who chose the "low bite", that's just the pad Brembo has always loaded with their calipers.

And yes... These brakes are most def for noobs... And the supposed "panic" stop.

I'm going to start with a set if Ferrodos I got from ccw yeeears ago. That change alone had me bordering on stoppies and endos, lol.

Would rather not replace the disc being its basically new...
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Speeddog
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« Reply #6 on: August 20, 2018, 07:43:57 PM »

Give some more aggressive pads a try, it's a cheap experiment.

I've recently ridden a 690 DukeABS with all OEM stuff other than a pad change, and it was plenty of braking IMO.
But that bike is about 100# lighter.
Owner said the pad change was dramatic.
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~~~ "We've rearranged the deck chairs, refilled the champagne glasses, and the band sounds great. This is fine." - Alberto Puig ~~~
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