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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 11-27-2012, 05:59 PM   #1 (permalink)
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Linked Brakes: Anyone ever have 'em?

...the reason I ask is that the set of 3-pot honda calipers I have were off a bike with linked brakes. The middle pot on the right caliper is separate from the other 2 pots (and formerly linked to the back brake) and, before I drill the right side caliper to connect all 3 pots, I was looking for thoughts on any benefit of maintaining the linked setup.

All of my track day experiences have basically taught me that you simply don't use the rear brake on the track. However, I will sometimes use the rear brake on the street for scrubbing some speed in a corner...especially when its raining. In that application, keeping the brakes separate seems like a good idea. Thoughts? Ridicule? Stories to create thread drift?

Regards,

--Rich
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Old 11-27-2012, 06:07 PM   #2 (permalink)
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However, I will sometimes use the rear brake on the street for scrubbing some speed in a corner...especially when its raining. In that application, keeping the brakes separate seems like a good idea.
I agree, there are times when riding with conviction when you wouldn't want the front to dip when using the rear brake.
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Old 11-27-2012, 09:44 PM   #3 (permalink)
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My Aprilia Scarabeo scooter has linked brakes! Left hand lever operates the rear brake and one of the front pistons.Right hand brake operates front disc only.I used to own a Moto Guzzi V50 Monza which had linked brakes. Good system for a low hp bike but I would say not for a track bike.
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Old 11-27-2012, 09:55 PM   #4 (permalink)
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First I have ever heard about linked brakes. Never even knew about this left hand lever thing. WHat is that a seperate brake lever in addition to the clutch on the left side? All new to me. You did say left side the side the clutch lever would be on or am I mixed up on this somehow.?
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Old 11-27-2012, 10:13 PM   #5 (permalink)
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There are many instances when use of the rear brake only is of value.

I'd never want a linked brake setup.

Rick
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Old 11-27-2012, 10:26 PM   #6 (permalink)
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First I have ever heard about linked brakes. Never even knew about this left hand lever thing. WHat is that a seperate brake lever in addition to the clutch on the left side? All new to me. You did say left side the side the clutch lever would be on or am I mixed up on this somehow.?
Left hand linked brake lever is on the Scarabeo SCOOTER ie no clutch!
Moto Guzzi system used the footbrake. Footbrake operated rear and one front disc.Right hand lever operated both front discs.
Mick Doohan used to have a rear brake lever next to his clutch lever on his GP500 bike after he smashed his right leg up.

Last edited by Checkered; 11-27-2012 at 10:28 PM.
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Old 11-28-2012, 04:52 AM   #7 (permalink)
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I had linked brakes on my Honda VFR, I never had a problem with them, would like them on my T100.

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Old 11-28-2012, 05:05 AM   #8 (permalink)
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You'd have to also replace the rear brake or master cylinder, plus get yourself an entire new front end, as the linked brake you've got is meant to work as part of a pair of front brakes. It might be nice to have, but it will cost you a small fortune. Basically you'd need to replace the ENTIRE braking system...
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Old 11-28-2012, 05:09 AM   #9 (permalink)
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Have them on a Guzzi, sceptical at first but the single front disc operated by the (hand) brake is sufficiently powerful for 'normal' braking.

The system was really good for wet weather riding, in those conditions I used the foot brake only.

Its a good idea, a little surprised it didnt become more widely used.
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Old 11-28-2012, 07:54 AM   #10 (permalink)
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You'd have to also replace the rear brake or master cylinder, plus get yourself an entire new front end, as the linked brake you've got is meant to work as part of a pair of front brakes. It might be nice to have, but it will cost you a small fortune. Basically you'd need to replace the ENTIRE braking system...
In my case, I'm running CBR600F3 forks now and have twin 3-pot calipers up front off a bike where the brakes were linked...so, yeah, I'd probably need to get a rear master (maybe), the proportioning valve (if not integral with the rear master), and extra plumbing to the front. As you can read into what I just typed, I've not looked into all the niggly details on what I'd need to do.

I guess I was just thinking out loud before drilling the right caliper to join all 3 pots together, thus removing the abililty to link the brakes, to determine if this was something totally wonderful. Honda has only made limited use of this on their bikes - the VFR (as previously noted), the DN-01 bike/scooter hybrid, and the NT-700V/Deauville being the ones that come to mind - and one would think that there would be more use of this system if it was the cat's azz.

Cheers,

--Rich
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