Hello,
I have a front brake on my fixie. I can also skid, but I have to get up from the sadle to perform decent skid. In emergency situation I lock my legs and also use my front brake for quick stop. But my rear wheel is unweight because of skidding and when I use my front brake I almost flip over the handlebars (the wheel is even in the air for a second).
So I would like to ask, if it's safe to have only a front brake. How can I make a quick stop? Do I have to learn how to skid without unweighting rear wheel, or what would you suggest? Thank you.

This.

Or just use your legs to slow yourself down without skidding, using the brake to supplement your back pedaling.

Use of your front brake causing you to flip over the handlebars will pretty much only occur if you're leaning forward. When you use your brake properly, you shouldn't need to skid at all to make a quick stop.

The absolutely fastest way to stop Is to squeeze both of your brakes as much as you possible can without causing them to lock and skid.Skidding is a really inefficient way of braking. It's why modern cars have ABS. For cars, the difference in braking distance between ABS, and standard braking is about 25%.Don't skid. Learn to brake correctly.

As Scrod said, don't put your weight forward if you're grabbing your brake. To get the most out of the brake you want to shift your ass back as you grab the lever. This will make it real easy to lock your legs and skid, that's fine just don't lose control - I used to do that for fun.

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I can usually stop quickly just by pulling real hard on my lever.

The absolutely fastest way to stop is to run into something solid, like a wall.

I was trying to tell him to run two brakes without turning this into a brakes no brakes talk.

Ive foumd that the fastest way to stop is to squee:e your brake levers

I broke 40+ MPH on a downhill without flipping or skidding. Learn to control your bike or, more appropriately.

Think fast. Ride faster.

Watch the Rabobank rider (orange/blue) right behind the two crashed riders. see how he get his torso over the saddle while braking ~40mph. He still skids the rear wheel a little but stops in time and doesn't run over the guys on the ground

https://www.youtube.com/watch?feature...AYR3KPIg#t=51s

Assuming the pavement is not extremely wet or covered with sand, the fastest and safest way to stop is with the front only. You want to brace your arms against the handlebars, shift your weight back in your saddle, and brake with enough effort that your rear tire is just about to leave the ground. Braking hard with both with most likely cause a bit of fishtailing.

If you lock your back wheel.... If you know how to brake effectively, you shouldn't be fishtailing, especially without skidding.

Agreed, although it's incredibly easy to lock your rear wheel with near zero traction.