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· All star !!!
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6,774 Posts
I know I've read or heard about a bike brake system that essentially gives you the same setup as your car or truck. One activation point (your hand lever) controls BOTH your front and rear calipers with an adjustment to control the percentage. Anyone familiar with this?
Sounds like the BMW linked systems. Goldwings may have something like that too.
 

· _____________________
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1,452 Posts
Moto Guzzi used this system bfore Bm

I didn't look into the hydraulic setup on my previou beemers because I left all sevice intervals to the supplier to keep a constant service record for resale benefit....home wrenching on a bim is the poison chalice for re-selling them.

But I do know it has it's own ecu that differentiates between front or rear wheel lock-up.

If you want the gospel on this, I can tell you that it can fuck up any heavy braking input when
Y-O-U want it and not what some dumb german engineer mapped into it says you need.

Ill stand or fall on this statement....anybody who knows better up for sparrin?
 

· Build It Ride It Live It
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10,717 Posts
You'll need a proportioning valve. Get 2 brake lines and a double bolt for the Master Cylinder. Run one line down to your front wheel. Get a short second line and a second double bolt to loop over to your other front caliper.

The second line will actually be 2 lines with a flare end on one side to fit the proportioning valve. This line will run to the back caliper. Adjust you proportioning valve so the rear wheel does not get as much pressure as the front.

The lever pressure at the master cylinder will regulate your front brake like normal. The proportioning valve will tune out the pressure to the back to whatever you have it set to. NOTE: your rear brake will always have less pressure at any lever possition then the front. In other words, if you give it full pull at the lever, the valve will limit it to half it's power (assuming you have it set to 50%). If you tap the lever your back brake may not do anything.
 

· Function IS Form
19 Z900, 88 Kat11
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17,636 Posts
the Blackbird also has linked brakes. A lot of bikes have ABS now.

Linked brakes are ass. I've never ridden a bike with linked brakes and liked it, and everyone I know (including every magazine I respect) says riding fast with linked brakes is an exercize in patience.

Personally I use my front and rear brakes for very different purposes...
 

· _____________________
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The gospel? I'll stand or fall on this statement?

You must be one of those dumb german engineers.
:LolLolLolLol: Noooo nooo no

Just a fan of the marque and back in 1990 bought a brand new K1 fitted with it when it was offered as an option.

It adds alot of weight and the only time It worked for me was when I deliberatly did something to make it kick in.

It's fine for cages as a safety set-up to cater for different skill levels of the drivers, but I think it's counter productive if you are a seasoned rider with plenty of saddle time under yr belt.
 

· Function IS Form
19 Z900, 88 Kat11
Joined
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17,636 Posts
A lot of average-dumbass types think the point of ABS in a car is to let you steer while braking. It's a beneficial side effect in a car... the ABS compensates naturally if you need to turn while braking hard.

On a bike, this would lead to instant front end tucking... you'll notice if you watch a slow motion of a car with the ABS fully engaged that the brakes come -this- close to locking up, then roll again.
Try coming that close to locking up on a bike while leaned over and you're going to learn a quick physics lesson.

I always warn customers who get ABS bikes that they can't brake while leaned over.
 
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