MZ33 wrote:I'm a little confused, Skier. Are you saying we should practice locking up the rear brake
and also practice proper technique (i.e., using both brakes for maximum braking but with no front or rear lock-up)??

One should know what it feels like. That's why I suggested practicing locking the rear wheel. I guess I should have clarified. Stand on the rear brake and don't touch the front. Feel the bike move around, understand that is what a rear wheel skid will feel like and file it away for later use. Say, if you over apply the rear in an emergency.
HYPERR wrote:Skier wrote:HYPERR wrote:Unless one has full mastery of the rear brakes(and 98.9% of riders don't), in a panic stop situation, the odds of the rear locking up is tremendous. Many experts including Keith Code suggests only using the front in a panic stop.
Practicing maximum braking will all but eliminate unintended locking of the rear tire. Practice, practice, practice.
Are you
100% confident that you will not lock up the rear brakes in a panic situation? I am not. Since you used the words "all but eliminate" I am assuming you are not either.
In a panic stop, the front can do 100% of the stopping and the back at that point locks up no matter who you are.
Quote from Keith Code from his book "A Twist Of The Wrist 2":
"It's just a waste of time, you spend too much effort getting a little braking from the rear."
"Learn to totally rely on the front brake for quick, clean stopping; then if you still have the use for the rear, go ahead and use it. But realize that the rear brake is the source of a huge number of crashes both on and off the track."
Under the ideal condition, a highly experienced and skilled rider who is familiar with the braking system of that particular bike will pretty much always stop quicker using both brakes. The key word here is ideal. It is a totally different situation when the condition is not ideal and one is totally caught off guard.
Yes practicing certainly will help. However just because you are capable of taking the rear brake to the brink of lockup in a parking lot during a practice session does not mean you will be able to do so in an emergency situation on the road.
Basically for 99% of the riders in 99% of emergency situations, the chance of decreasing the stopping distance by using both brakes in a panic stop is completely overcome by the humongous increase in the possibility of a crash due to locking up the rear.
There's always fringe cases that rules are only applied to in limited amounts. It's a best practice to use both brakes, every time, and will work on everything but the best road surfaces with the best warm tires with the best brakes on certain styles of motorcycle frames (for example, race replicas).
I've said it before and I've said it again: the fear of locking the rear brake isn't worth throwing out 20 to 25 percent of your initial braking force.
Personally I still lock the rear tire when performing maximum braking, but that's because I don't release enough of the rear brake when weight transfers forward. Yet my technique has more stopping power than the same bike with same tires using a "front only" technique. I could probably eliminate the one or two foot skid the rear tire leaves if I practiced more, which I've been lax at in the past few months. (

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Code's quote is a generalization about rear brake accidents. Crash after crash comes from the rider over applying the rear and under applying the front brake. Practice mitigates or eliminates this as a crash factor.
Your parting note about an increase in crash probability with a rear wheel skid only matters if the rider combines swerving and braking which will cause issues if the rear is locked or not.
[url=http://www.motoblag.com/blag/]Practicing the dark and forgotten art of using turn signals since '98.[/url]