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Old 11-03-2009, 05:34 PM   #1
joust75
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Default Point of Knee Dragging?

Since I am 2 months into my first sportbike, numerous questions abound. I read this great article on knee dragging here:
http://www.r1-forum.com/forums/showthread.php?t=171467

However I do not really see the point of knee dragging. Why not just lean and be done with it.

I would think it was only for fun, but I see the proriders doing it.
Is it to prevent oneself from going down too far, and prevent the pegs from scraping, or is it kinda like a surfer dragging his hand in a wave.

Is it necessary to do this to get the full lean angle of the bike or is it simply just safer?

Thanks.
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Old 11-03-2009, 05:49 PM   #2
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At some point if you go over far enough you'll have no option but to drag your knee, I'm a somewhat faster rider (so I hear) and when it comes to street riding, while I don't have any chicken strips on my 1000s rear tire, I've NEVER had to touch my knee on the ground. You really need a perfect road to get that low.

Now, keep in mind, I see people riding on major roads doing the speed of traffic fully leaned over as if they're ripping through the gears, I've also see people take turns and stick their knees out as far as they can with hopes (I think) of touching the ground.
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Old 11-03-2009, 05:51 PM   #3
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If you're really good you'll drag not only your knee but also your elbow
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Old 11-03-2009, 05:58 PM   #4
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I copied this from your link, this is a good explanation to your question.

"Doing it correctly allows greater speed per given lean angle. This is safer, as it allows you to remain away from the limit of the bike for a given speed, and it allows more throttle input coming out of the turn."

This is not something I would ever think of doing on the street,do some track days
and the first time you get that knee down will be exhilarating.
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Old 11-03-2009, 06:34 PM   #5
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Quote:
Originally Posted by jeffie7 View Post
I've also see people take turns and stick their knees out as far as they can with hopes (I think) of touching the ground.
LOL I've seen that also they think there close to dragging yet a good foot away,hell Id really LOL if they actually did without the puck.
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Old 11-03-2009, 08:11 PM   #6
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Quote:
Originally Posted by NIZZMO View Post
I copied this from your link, this is a good explanation to your question.

"Doing it correctly allows greater speed per given lean angle. This is safer, as it allows you to remain away from the limit of the bike for a given speed, and it allows more throttle input coming out of the turn."

.
I believe when he mentioned this he was referring to staying on the bike in the lean versus hanging off it like a monkey.


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Old 11-03-2009, 10:03 PM   #7
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I really scared to getting my knee scrapping to the ground but I do stick my knee when going for corner since sometimes,especially when going fast into the corner since the bike will be easy to going through the corner....if not it feel kinda heavy & always likely to go straight....

BTW,thnx for the link...& I think its great if you can knee dragging at right time,place & moment....it will end up with style as you take out the curve....
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Old 11-03-2009, 11:40 PM   #8
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dragging knee is a tool you can use to gauge how far you are leaned over. That is all.
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Old 11-04-2009, 04:19 AM   #9
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Any one dragging knee on a road is a idiot.

http://bikerpunks.com/mediaviewer/23...ommercial.html

Go to the track, drag knee all day long and have no worries.

Quote:
Originally Posted by joust75 View Post
I believe when he mentioned this he was referring to staying on the bike in the lean versus hanging off it like a monkey.
Hanging off like a monkey can keep the bike up straighter, IE. more rubber on the track or road or what ever. More rubber = More grip = Higher speeds. The track pic Jeff posted he is so low he can not even get off the bike.

In this video you can see they are hanging off like monkeys and the bike could go over much much more.

http://bikerpunks.com/mediaviewer/22...ighlights.html
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Old 11-04-2009, 09:20 AM   #10
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Quote:
Originally Posted by leykias View Post
dragging knee is a tool you can use to gauge how far you are leaned over. That is all.
^^^this

Most racers will actually pull their knee off the ground once they touch after reaching max lean angle for a turn. If not, you would go through a set of knee pucks damn near every session/race.
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Old 11-04-2009, 10:46 AM   #11
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I watched some old 1 hour video about 500cc - MotoGP that was pretty detailed on the Rossi - Biaggi wars at the time. They mentioned that riding style was made to help go around corners faster. According to them, putting the knee down, and therefore your weight, helped you pivot the bike on that. Sounds weird, but they said you obviously can't turn the steering wheel the way you like so this would help "turn" the bike.

Now you got Rossi putting out his foot upon braking. He claims that it helps him brake harder (mental thing where he thinks his foot can prevent him from overbraking). I've seen him do it with his right foot so he's only braking with his front brakes. Crazy.
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Old 11-04-2009, 11:28 AM   #12
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I can't wait to start dragging a knee but only going to use it at the track. I laugh my ass off when you see idiots in t-shirts and jeans sticking a knee out like they have the intention of dragging a knee.

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Old 11-05-2009, 08:28 AM   #13
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LOL that video was awesome!
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Old 11-05-2009, 09:55 AM   #14
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LOL that video was awesome!
LOL I like the guy that fell in the beginning. He was probably tripping out watching that guy dragging head
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Old 12-18-2009, 10:46 PM   #15
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Quote:
Originally Posted by vegaseric View Post
^^^this

Most racers will actually pull their knee off the ground once they touch after reaching max lean angle for a turn. If not, you would go through a set of knee pucks damn near every session/race.
I keep mine down thru the corner, but there is very little pressure on the puck. In 3 years of racing and being an idiot on the street i only went thru 4 sets of pucks.

My first set of pucks went fast, i thought it was cool and tried to grind them as hard as possible. I guess its part fo the learning curve.
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Old 12-19-2009, 04:51 AM   #16
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Quote:
Originally Posted by jeffie7 View Post
At some point if you go over far enough you'll have no option but to drag your knee, I'm a somewhat faster rider (so I hear) and when it comes to street riding, while I don't have any chicken strips on my 1000s rear tire, I've NEVER had to touch my knee on the ground. You really need a perfect road to get that low.

Now, keep in mind, I see people riding on major roads doing the speed of traffic fully leaned over as if they're ripping through the gears, I've also see people take turns and stick their knees out as far as they can with hopes (I think) of touching the ground.
it could also be how tall you are.. with being 6'3 with pretty long legs i can get my knee pretty close to the ground... Alberto's knees should pretty close too.. however my cornering technique i don't leave the bike.. i've done it hanging off the bike.. but i like to stay on the bike
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Old 12-20-2009, 08:18 AM   #17
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street riding pointless. Use the knee out to gauge and as a balance point.
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Old 12-22-2009, 04:27 PM   #18
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Quote:
Originally Posted by jeffie7 View Post


If you're really good you'll drag not only your knee but also your elbow
LOL wtf. I can't ever see myself doing that. He might as well just fall over and fall asleep.
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Old 01-24-2010, 09:34 PM   #19
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Originally Posted by vegaseric View Post
^^^this

Most racers will actually pull their knee off the ground once they touch after reaching max lean angle for a turn. If not, you would go through a set of knee pucks damn near every session/race.
exactly. When mine hits the deck, it comes right back up.
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Old 01-24-2010, 09:34 PM
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