Linked, unlinked. brake dive !!!???

[lapi]

So about those linked brakes...

My understanding:

If I use all right hand, front and rear brakes are linked. The bike will stop as mechanically short as possible by slowing both front and rear wheels.
If I use only right foot, braking is applied to the rear wheel only. ABS is functional. Theoretically, I can slam on the rear brakes and eventually the bike will stop.
If I apply both front and rear brakes simultanesouly, the brakes become unlinked, but ABS still functions...I control the amount of braking distributed to the rear wheel.

My questions:

If linked brakes are so phenomenal, why do I get so much brake dive when using front calipers only...regardless of speed. When I use traditional braking, applying caliper and foot pedal, I get so much less dive. Mind over machine or am I missing something. is it possible the previous owner hacked the braking system? I would I know.

If when braking I start with caliper then add foot, then release foot...am I then braking on front wheel only. Or can I modulate the amount of braking by interrupting the bike's automation with my own application then have the bike resume by lifting off the rear brake?

Thanks

 

[Dogdaze]

I cannot tell you more than this, as I don't ride with you, but, it could be as simple as adjusting the forks so they become stiffer and thus less dive. Also, you have 2 larger discs up front and a somewhat smaller one at the rear. And my understanding, I'm sure someone else with more knowledge of the bike will chime in, the linked system allows a fraction of rear brake, not equal pressure to front and rear. I find that most of the time I only use the front lever and notice that the bike stops without diving, but it will dive if riding aggressively.

 

[scott123007]

So about those linked brakes...

My understanding:

If I use all right hand, front and rear brakes are linked. The bike will stop as mechanically short as possible by slowing both front and rear wheels.
If I use only right foot, braking is applied to the rear wheel only. ABS is functional. Theoretically, I can slam on the rear brakes and eventually the bike will stop.
If I apply both front and rear brakes simultanesouly, the brakes become unlinked, but ABS still functions...I control the amount of braking distributed to the rear wheel.

My questions:

If linked brakes are so phenomenal, why do I get so much brake dive when using front calipers only...regardless of speed. When I use traditional braking, applying caliper and foot pedal, I get so much less dive. Mind over machine or am I missing something. is it possible the previous owner hacked the braking system? I would I know.

If when braking I start with caliper then add foot, then release foot...am I then braking on front wheel only. Or can I modulate the amount of braking by interrupting the bike's automation with my own application then have the bike resume by lifting off the rear brake?

Thanks

Get a BMW GS or... ::021::

 

[MojoToot]

So about those linked brakes...

My understanding:

If I use all right hand, front and rear brakes are linked. The bike will stop as mechanically short as possible by slowing both front and rear wheels.
If I use only right foot, braking is applied to the rear wheel only. ABS is functional. Theoretically, I can slam on the rear brakes and eventually the bike will stop.
If I apply both front and rear brakes simultanesouly, the brakes become unlinked, but ABS still functions...I control the amount of braking distributed to the rear wheel.

My questions:

If linked brakes are so phenomenal, why do I get so much brake dive when using front calipers only...regardless of speed. When I use traditional braking, applying caliper and foot pedal, I get so much less dive. Mind over machine or am I missing something. is it possible the previous owner hacked the braking system? I would I know.

If when braking I start with caliper then add foot, then release foot...am I then braking on front wheel only. Or can I modulate the amount of braking by interrupting the bike's automation with my own application then have the bike resume by lifting off the rear brake?

Thanks

As I understand it, if you want unlinked brakes, you need to apply rear 1st. "Simultaneous" may not unlink them.

And as previously mentioned, the link applies "some" rear brake not "all". If you hit front lever and then hit rear, you will feel the additional rear braking force.

If you want to stop as short as possible, hit front, then add rear.

(additionally...ABS may not be functional if your speed is very low, when you start braking)

 

[Derekj]

Ride like you would normally ride. Yes you can Un-link them with applying the rear first, but that is really more for dirt. On asphalt, it really makes no difference whether you apply rear first or after you engage front brakes as your hand will control the front and your foot will control or override the linked.

 

[shrekonwheels]

So about those linked brakes...

My understanding:

If I use all right hand, front and rear brakes are linked. The bike will stop as mechanically short as possible by slowing both front and rear wheels.
If I use only right foot, braking is applied to the rear wheel only. ABS is functional. Theoretically, I can slam on the rear brakes and eventually the bike will stop.
If I apply both front and rear brakes simultanesouly, the brakes become unlinked, but ABS still functions...I control the amount of braking distributed to the rear wheel.

My questions:

If linked brakes are so phenomenal, why do I get so much brake dive when using front calipers only...regardless of speed. When I use traditional braking, applying caliper and foot pedal, I get so much less dive. Mind over machine or am I missing something. is it possible the previous owner hacked the braking system? I would I know.

If when braking I start with caliper then add foot, then release foot...am I then braking on front wheel only. Or can I modulate the amount of braking by interrupting the bike's automation with my own application then have the bike resume by lifting off the rear brake?

Thanks

Physics, roughly 80 percent of your stopping power is in your front brakes, as you apply braking power weight is pushed forward thus causing dive.

 

[lapi]

Thanks all.

BMW GS...did you really say that! WTF? I just bought the best bike there is (for me.)...my dream bike. I'm just getting to know her.
No worry here though increasing my knowledge through all who've gone before.

 

[iClint]

So about those linked brakes...

My understanding:

If I use all right hand, front and rear brakes are linked. The bike will stop as mechanically short as possible by slowing both front and rear wheels.

No, maximum braking force is only achieved when using front and rear together. The unified system only aids in stabilising the bike by applying a portion of rear brake, causing the rear suspension to squat a little and stabilise the chassis.

If linked brakes are so phenomenal, why do I get so much brake dive when using front calipers only...regardless of speed. When I use traditional braking, applying caliper and foot pedal, I get so much less dive. Mind over machine or am I missing something. is it possible the previous owner hacked the braking system? I would I know.

Your suspension setup? Perhaps suspension in need of service or repair? All I can say is mine does not behave as you have described.

If when braking I start with caliper then add foot, then release foot...am I then braking on front wheel only. Or can I modulate the amount of braking by interrupting the bike's automation with my own application then have the bike resume by lifting off the rear brake?

Thanks

No the unified system still functions under the scenario you described you are simply adding more rear brake force.


The system is not active when stopped or as taken From the manual "The unified brake system does not function when the brake pedal is applied alone or before the brake lever is applied."

 

[lapi]

No, maximum braking force is only achieved when using front and rear together. The unified system only aids in stabilising the bike by applying a portion of rear brake, causing the rear suspension to squat a little and stabilise the chassis.

Your suspension setup? Perhaps suspension in need of service or repair? All I can say is mine does not behave as you have described.

No the unified system still functions under the scenario you described you are simply adding more rear brake force.


The system is not active when stopped or as taken From the manual "The unified brake system does not function when the brake pedal is applied alone or before the brake lever is applied."

Thats what I needed. Thanks Clint.

{gone seeking suspension settings threads}

 

[Langolier]

Ditto on what Clint said with one addition. Around town and at slower speeds if you want to minimize the dive at a stop apply some rear brake before the front. Your bike will "hunker down" rather than dive. But if you get in a habit of using rear brake first at higher speeds be ready to replace your rear pads sooner than later.