Chicken Stripes
#1
Posted 05 June 2009 - 02:55 PM
What is the relationship (or is there one) between chicken stripe width and proper set-up of a bike?
#2
Posted 05 June 2009 - 03:01 PM
Beck
95 VFR
#3
Posted 05 June 2009 - 03:05 PM
Beck, on Jun 5 2009, 04:01 PM, said:
Beck
95 VFR
I'm pretty sure it has to do with the size and shape differences between the two tires. The rear is typically shaped in such a way that, when you get into your lean, you'll reach the edge much quicker than you will on your front. A 180 rear is more "U" shaped, while a 120 front is shaped more like half a tennis ball. My best guess...
This post has been edited by 5thGenAchmed: 05 June 2009 - 03:14 PM
#4
Posted 05 June 2009 - 03:22 PM
At my most recent trackday this past weekend, I was getting more comfortable with trail-braking almost up to the apex of a few corners. By the end of the day, both my front and rear tires had about 1/8" of chicken strip left...
'04 VFR - 75k Miles & zero valve adjustments - Sargent - Helibars - Gutted - Catless '99s - PCIII - Evo Shift Star - Sonic Springs & Racetech Valves - Wilbers Shock - Scottoiler - ScalaRider Q2 - Givi E460 - O2 elim'd - Datel Voltmeter - Custom Roadrash (LH only) -
#5
Posted 05 June 2009 - 03:32 PM
This post has been edited by Yosh70: 05 June 2009 - 03:32 PM
#6
Posted 05 June 2009 - 03:40 PM
sckego, on Jun 5 2009, 02:22 PM, said:
At my most recent trackday this past weekend, I was getting more comfortable with trail-braking almost up to the apex of a few corners. By the end of the day, both my front and rear tires had about 1/8" of chicken strip left...

That makes sense, I usually completely remove anything on my rear - however I will have 3/4 to 1/2 inch left on my front tire. I usually dont trail brake ever, preferring to brake before the turn the powering trough as I reach the turn. I also have a habit of dragging the rear brake on very tight turns so that probaly makes the it worse.
VFRD Rallys
"May The Road Rise To Meet You"
Miguel Mayo
#7
Posted 05 June 2009 - 04:15 PM
HispanicSlammer, on Jun 5 2009, 03:40 PM, said:
sckego, on Jun 5 2009, 02:22 PM, said:
At my most recent trackday this past weekend, I was getting more comfortable with trail-braking almost up to the apex of a few corners. By the end of the day, both my front and rear tires had about 1/8" of chicken strip left...

That makes sense, I usually completely remove anything on my rear - however I will have 3/4 to 1/2 inch left on my front tire. I usually dont trail brake ever, preferring to brake before the turn the powering trough as I reach the turn. I also have a habit of dragging the rear brake on very tight turns so that probaly makes the it worse.
+1 first time in my life, my front had NO strips and the rear had a small one on my track bike....definitely trail braking and the rear was the wrong size/pressure, causing it to fold improperly on the rear. on the VFr, i almost never trail brake and i have 1/2+ on the front.
thanks for explaining that.
"Courage is almost a contradiction in terms. It means a strong desire to live taking the form of a readiness to die. 'He that will lose his life, the same shall save it' is not a piece of mysticism for saints and heroes. You must seek life in a spirit of furious indifference to it; you must desire life like water and yet drink death like wine." GK Chesterton
MODS:
#8
Posted 05 June 2009 - 04:42 PM
The rear tire on a VFR is a 180/55 while the front is a 120/70. Perhaps if both tires were /55 or /70 in aspect ratio the stripes would be the same. The rear, being a /55, is actually "flatter shaped" than the front tire.
The reason this topic interests me so much, is that I had a "track day rider/racer" tell me that if you have more chicken stripes on the front than you do the rear, it means you need to jack the rear of the bike up. Well I did that on my KTM. Problem is my riding style is to really crank it over quick entering a turn (Keith Code style). I had several instances where the rear stepped out on me when I flicked it over quick and hard. However, my chicken stripes at the end of the day were all the way to the edge front and rear.
#9
Posted 05 June 2009 - 05:34 PM
They shouldn't be perfectly even, you want an 1/8 to a 1/4 inch on the front when the rear is to the edge. (for up to say, 8/10ths riding pace)
That's my 2 cents, based on what I've read and heard. I'm no expert though!
1983 VF750F 2,997 original miles, undergoing full hot-rod restoration- K&N, Accel coils & wires, Megacycle Stage 1 cams, jetted, Works shock, CBR F2 wheels, VF1000R forks, RaceTech Gold Valve Emulators, Sonic 1.0 springs, Chevy S-10 'clear' headlight, fender chop, Maier dark smoke screen, Vance and Hines full 2-2 system, 96 VFR clip ons, much more in the works!
1986 VFR700F 900RR forks w/ Racetech .90's, CBR F3 front wheel, 900RR rear wheel, PARTING OUT - PM FOR PARTS INQUIRIES
198x VF500F GONE
1996 VFR750 frame and swingarm, possible track bike?
1996 VFR750 secret project...
1996 VFR750 31k miles, K&N, otherwise stock - SOLD
2001 CBR600F4i GONE
2005 VFR800 Sargent seat, NEP throttle lock, Symtec heated grips, Powerlet, DIY fender eliminator, oem hard bags, modded passenger pegs, Garmin Nuvi 750, Ohlins 46DRS, .90 RaceTech fork springs, Staintunes, Rivcyko double secret probation CF hugger, CF Bug Buster, UNI filter mod, PC3 USB w/ Cozye's map, Speed Bleeders, ATE Super Blue brake fluid, coming soon - RaceTech Gold Valves, catless headers, VFRness &...
***Bailey-san sez, zip-tie a rim protector to your HF bar on your HF changer to keep from scratcha rim***

#10
Posted 05 June 2009 - 05:59 PM
turtlecreek, on Jun 5 2009, 04:15 PM, said:
HispanicSlammer, on Jun 5 2009, 03:40 PM, said:
sckego, on Jun 5 2009, 02:22 PM, said:
At my most recent trackday this past weekend, I was getting more comfortable with trail-braking almost up to the apex of a few corners. By the end of the day, both my front and rear tires had about 1/8" of chicken strip left...

That makes sense, I usually completely remove anything on my rear - however I will have 3/4 to 1/2 inch left on my front tire. I usually dont trail brake ever, preferring to brake before the turn the powering trough as I reach the turn. I also have a habit of dragging the rear brake on very tight turns so that probaly makes the it worse.
+1 first time in my life, my front had NO strips and the rear had a small one on my track bike....definitely trail braking and the rear was the wrong size/pressure, causing it to fold improperly on the rear. on the VFr, i almost never trail brake and i have 1/2+ on the front.
thanks for explaining that.
Dale, if you would lose some weight, you might have some chicken strips. You still using six ply tires??
The smart ass is back.....
"If you can't have fun, don't show up."
~Bent 2001
"Where ever I go, fun follows me"
~R. Rowan
"Beware of the Shark Knife"
"If you think you're in a bind, you're in a bind"
~Bent 2010
#11
Posted 05 June 2009 - 10:44 PM
#12
Posted 06 June 2009 - 12:30 AM
between the front and rear...
I drafted a scale drawing of a set of tires to find the answer...
A... shows a 120 / 70 / 17...
B... shows a 190 / 50 / 17...
C... shows the disparity between the front and rear...
I believe tire disparity exist because the front's edge rest above the
ground higher than the rear's edge... As you can see as both edges are
leaned towards the asphalt... rear edge (B) will be first to kiss the
asphalt before the front edge (A)... the amount of disparity is
represented by ( C )...
So... if your rear tire is worn to the edge but the front shows a small
chicken strip??? it's ( C ) tire disparity... To erase that last bit of chicken
strip go to a race track... it's too hair ball on the street...
94 RC45 #2
90 RC30 #44
VFR PEG LOWERING BLOCKS
http://www.vfrdiscus...showtopic=44940
Have a wheelie NICE day...
Lean & Mean it in every corner of your life...
If it wasn't for us the fast lane would rust...
V4'S are music to the seat of my pants...
1952 De Havilland Chipmunk...
Yank and bank your brains loose...
http://members.ebay....aboutme/-xlax-/
http://home.comcast.net/~netters2/
http://www.fox302.co...g&user=netters2
http://www.flickr.co...s/10503451@N07/
Busy Little Shop Photo Gallery
#13
Posted 06 June 2009 - 01:09 AM
Mods so far: Staintunes, PCIII, K&N, O2 eliminator, Ohlins 46 DRS, custom fender eliminator, OEM fork gutted & rebuilt by Race Tech, de-PAIRed, de-snorkled, de-flappered, Puig light smoke DB windscreen, NEP throttle lock, Bridgestone BT-016's (freakin' awesome!).
"I know you'll ride responsibly, you always do. It's the bastards out there
that will get you if you're not careful."
- my Mom -
~This site is protected by various provisions of Title 18, U.S. Code. Safety goggles may be required during use. Sanitized for your protection. Sealed for your protection, do not use if the safety seal is broken. If a copyright is indicated on a photo, graphic, or any other material, permission to copy these materials must be obtained from the original source. See label for sequence. Shading within a garment may occur. Sign here without admitting guilt. Simulated picture. Ribbed for your pleasure. Please pick up after your pet.
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#14
Posted 06 June 2009 - 01:12 AM
BusyLittleShop, on Jun 5 2009, 10:30 PM, said:
between the front and rear...
I drafted a scale drawing of a set of tires to find the answer...
A... shows a 120 / 70 / 17...
B... shows a 190 / 50 / 17...
C... shows the disparity between the front and rear...
I believe tire disparity exist because the front's edge rest above the
ground higher than the rear's edge... As you can see as both edges are
leaned towards the asphalt... rear edge (B) will be first to kiss the
asphalt before the front edge (A)... the amount of disparity is
represented by ( C )...
So... if your rear tire is worn to the edge but the front shows a small
chicken strip??? it's ( C ) tire disparity... To erase that last bit of chicken
strip go to a race track... it's too hair ball on the street...

Great diagram. I always enjoy your provided visual stimulation. You certainly have more time on your hands than you need.
#15
Posted 06 June 2009 - 01:27 AM
RIDER_44, on Jun 6 2009, 02:12 AM, said:
BusyLittleShop, on Jun 5 2009, 10:30 PM, said:
between the front and rear...
I drafted a scale drawing of a set of tires to find the answer...
A... shows a 120 / 70 / 17...
B... shows a 190 / 50 / 17...
C... shows the disparity between the front and rear...
I believe tire disparity exist because the front's edge rest above the
ground higher than the rear's edge... As you can see as both edges are
leaned towards the asphalt... rear edge (B) will be first to kiss the
asphalt before the front edge (A)... the amount of disparity is
represented by ( C )...
So... if your rear tire is worn to the edge but the front shows a small
chicken strip??? it's ( C ) tire disparity... To erase that last bit of chicken
strip go to a race track... it's too hair ball on the street...

Great diagram. I always enjoy your provided visual stimulation. You certainly have more time on your hands than you need.
My God, that was technical...yet, I'm still playing for the edge, track or not
Mods so far: Staintunes, PCIII, K&N, O2 eliminator, Ohlins 46 DRS, custom fender eliminator, OEM fork gutted & rebuilt by Race Tech, de-PAIRed, de-snorkled, de-flappered, Puig light smoke DB windscreen, NEP throttle lock, Bridgestone BT-016's (freakin' awesome!).
"I know you'll ride responsibly, you always do. It's the bastards out there
that will get you if you're not careful."
- my Mom -
~This site is protected by various provisions of Title 18, U.S. Code. Safety goggles may be required during use. Sanitized for your protection. Sealed for your protection, do not use if the safety seal is broken. If a copyright is indicated on a photo, graphic, or any other material, permission to copy these materials must be obtained from the original source. See label for sequence. Shading within a garment may occur. Sign here without admitting guilt. Simulated picture. Ribbed for your pleasure. Please pick up after your pet.
For site security purposes and to ensure that this service remains available to all users, we employ software programs to monitor traffic to identify unauthorized attempts to upload or change information, or otherwise cause damage. In the event of authorized law enforcement investigations, and pursuant to any required legal process, information from these sources may be used to help identify an individual. Slightly enlarged to show detail. Slightly higher west of the Rockies. Slippery when wet. Falling rocks. Smoking these may be hazardous to your health.~
#16
Posted 06 June 2009 - 02:42 AM
For the first time, on any bike, my rear only has 1/4 inch showing on the edge (I've been pushing myself this year to ride better and harder so I improve).
Somebody remind me to check my air pressure...
#17
Posted 06 June 2009 - 03:06 AM
RIDER_44, on Jun 5 2009, 11:12 PM, said:
I don't play for edge on the street... it just happens on Mr.RC45...
All street miles... no track...

94 RC45 #2
90 RC30 #44
VFR PEG LOWERING BLOCKS
http://www.vfrdiscus...showtopic=44940
Have a wheelie NICE day...
Lean & Mean it in every corner of your life...
If it wasn't for us the fast lane would rust...
V4'S are music to the seat of my pants...
1952 De Havilland Chipmunk...
Yank and bank your brains loose...
http://members.ebay....aboutme/-xlax-/
http://home.comcast.net/~netters2/
http://www.fox302.co...g&user=netters2
http://www.flickr.co...s/10503451@N07/
Busy Little Shop Photo Gallery
#18
Posted 06 June 2009 - 05:58 AM
Bent, on Jun 5 2009, 05:59 PM, said:
turtlecreek, on Jun 5 2009, 04:15 PM, said:
HispanicSlammer, on Jun 5 2009, 03:40 PM, said:
sckego, on Jun 5 2009, 02:22 PM, said:
At my most recent trackday this past weekend, I was getting more comfortable with trail-braking almost up to the apex of a few corners. By the end of the day, both my front and rear tires had about 1/8" of chicken strip left...

That makes sense, I usually completely remove anything on my rear - however I will have 3/4 to 1/2 inch left on my front tire. I usually dont trail brake ever, preferring to brake before the turn the powering trough as I reach the turn. I also have a habit of dragging the rear brake on very tight turns so that probaly makes the it worse.
+1 first time in my life, my front had NO strips and the rear had a small one on my track bike....definitely trail braking and the rear was the wrong size/pressure, causing it to fold improperly on the rear. on the VFr, i almost never trail brake and i have 1/2+ on the front.
thanks for explaining that.
Dale, if you would lose some weight, you might have some chicken strips. You still using six ply tires??
The smart ass is back.....
first how am i going to lose weigt if i keep having chicken strips? second, i might try some, except evertime i go to bea's with you, you clean the chicken plate before it ever gets around to me!
"Courage is almost a contradiction in terms. It means a strong desire to live taking the form of a readiness to die. 'He that will lose his life, the same shall save it' is not a piece of mysticism for saints and heroes. You must seek life in a spirit of furious indifference to it; you must desire life like water and yet drink death like wine." GK Chesterton
MODS:
#19
Posted 06 June 2009 - 06:58 PM
For the first time ever, I have zero strips front or rear. It took a trip down NC28 to take care of that! I am loving the PP/PR2 combo!
1983 VF750F 2,997 original miles, undergoing full hot-rod restoration- K&N, Accel coils & wires, Megacycle Stage 1 cams, jetted, Works shock, CBR F2 wheels, VF1000R forks, RaceTech Gold Valve Emulators, Sonic 1.0 springs, Chevy S-10 'clear' headlight, fender chop, Maier dark smoke screen, Vance and Hines full 2-2 system, 96 VFR clip ons, much more in the works!
1986 VFR700F 900RR forks w/ Racetech .90's, CBR F3 front wheel, 900RR rear wheel, PARTING OUT - PM FOR PARTS INQUIRIES
198x VF500F GONE
1996 VFR750 frame and swingarm, possible track bike?
1996 VFR750 secret project...
1996 VFR750 31k miles, K&N, otherwise stock - SOLD
2001 CBR600F4i GONE
2005 VFR800 Sargent seat, NEP throttle lock, Symtec heated grips, Powerlet, DIY fender eliminator, oem hard bags, modded passenger pegs, Garmin Nuvi 750, Ohlins 46DRS, .90 RaceTech fork springs, Staintunes, Rivcyko double secret probation CF hugger, CF Bug Buster, UNI filter mod, PC3 USB w/ Cozye's map, Speed Bleeders, ATE Super Blue brake fluid, coming soon - RaceTech Gold Valves, catless headers, VFRness &...
***Bailey-san sez, zip-tie a rim protector to your HF bar on your HF changer to keep from scratcha rim***

#20
Posted 08 June 2009 - 09:48 AM
Seb, Hwy. 28 is a blast but you're supposed to have a little bit of strip on the front. Those rock banks are hard! Those Hogs on the way to The Gap must be pushing you up 28 at a high rate of speed.....
"If you can't have fun, don't show up."
~Bent 2001
"Where ever I go, fun follows me"
~R. Rowan
"Beware of the Shark Knife"
"If you think you're in a bind, you're in a bind"
~Bent 2010
#21
Posted 08 June 2009 - 10:12 AM
Bent, on Jun 8 2009, 10:48 AM, said:
Seb, Hwy. 28 is a blast but you're supposed to have a little bit of strip on the front. Those rock banks are hard! Those Hogs on the way to The Gap must be pushing you up 28 at a high rate of speed.....
Hey, don't talk about Bailey like that, he might ban ya!!
1983 VF750F 2,997 original miles, undergoing full hot-rod restoration- K&N, Accel coils & wires, Megacycle Stage 1 cams, jetted, Works shock, CBR F2 wheels, VF1000R forks, RaceTech Gold Valve Emulators, Sonic 1.0 springs, Chevy S-10 'clear' headlight, fender chop, Maier dark smoke screen, Vance and Hines full 2-2 system, 96 VFR clip ons, much more in the works!
1986 VFR700F 900RR forks w/ Racetech .90's, CBR F3 front wheel, 900RR rear wheel, PARTING OUT - PM FOR PARTS INQUIRIES
198x VF500F GONE
1996 VFR750 frame and swingarm, possible track bike?
1996 VFR750 secret project...
1996 VFR750 31k miles, K&N, otherwise stock - SOLD
2001 CBR600F4i GONE
2005 VFR800 Sargent seat, NEP throttle lock, Symtec heated grips, Powerlet, DIY fender eliminator, oem hard bags, modded passenger pegs, Garmin Nuvi 750, Ohlins 46DRS, .90 RaceTech fork springs, Staintunes, Rivcyko double secret probation CF hugger, CF Bug Buster, UNI filter mod, PC3 USB w/ Cozye's map, Speed Bleeders, ATE Super Blue brake fluid, coming soon - RaceTech Gold Valves, catless headers, VFRness &...
***Bailey-san sez, zip-tie a rim protector to your HF bar on your HF changer to keep from scratcha rim***

#22
Posted 08 June 2009 - 10:44 AM
BusyLittleShop, on Jun 6 2009, 01:30 AM, said:
between the front and rear...
I drafted a scale drawing of a set of tires to find the answer...
A... shows a 120 / 70 / 17...
B... shows a 190 / 50 / 17...
C... shows the disparity between the front and rear...
I believe tire disparity exist because the front's edge rest above the
ground higher than the rear's edge... As you can see as both edges are
leaned towards the asphalt... rear edge (B) will be first to kiss the
asphalt before the front edge (A)... the amount of disparity is
represented by ( C )...
So... if your rear tire is worn to the edge but the front shows a small
chicken strip??? it's ( C ) tire disparity... To erase that last bit of chicken
strip go to a race track... it's too hair ball on the street...

Excellent explanation and drawing.
No sarcasm intended, I didn't know anyone knew how to draw by hand anymore except myself (I'm real old school, literally). We've got this little program here at work called AutoCad.
#23
#24
Posted 08 June 2009 - 11:24 AM
Pete McCrary, on Jun 8 2009, 11:44 AM, said:
BusyLittleShop, on Jun 6 2009, 01:30 AM, said:
between the front and rear...
I drafted a scale drawing of a set of tires to find the answer...
A... shows a 120 / 70 / 17...
B... shows a 190 / 50 / 17...
C... shows the disparity between the front and rear...
I believe tire disparity exist because the front's edge rest above the
ground higher than the rear's edge... As you can see as both edges are
leaned towards the asphalt... rear edge (B) will be first to kiss the
asphalt before the front edge (A)... the amount of disparity is
represented by ( C )...
So... if your rear tire is worn to the edge but the front shows a small
chicken strip??? it's ( C ) tire disparity... To erase that last bit of chicken
strip go to a race track... it's too hair ball on the street...

Excellent explanation and drawing.
No sarcasm intended, I didn't know anyone knew how to draw by hand anymore except myself (I'm real old school, literally). We've got this little program here at work called AutoCad.
Me too,
for small stuff sometimes it's still faster to draw by hand
However I have been teaching alot of invertor lately
This post has been edited by Buttonhook: 08 June 2009 - 11:27 AM

#25
Posted 08 June 2009 - 11:53 AM
Also, I'm wondering in the front and rear ends of the bike could be leaning at two different angles, with the front end a bit more upright than the rear. When you're countersteering, you're turning the front wheel in the opposite direction of the bike's travel. Think of a left-hander: If you're steering slightly right but the bike is moving to your left, the front tire's contact patch is actually more toward the center of the tread while the rear tire's contact patch is on the left side of the tire.
To illustrate, sit on your bike while stationary. Turn the bars to full lock one way or the other. The bike will lean over (probably in the opposite direction) and the rear tire will lean with it, while the front tire is mostly still on its centertread because the fork it's mounted on is pivoting, not leaning.
Thinking about that pivot idea, I'm guessing that the greater the fork rake and trail (and the longer the wheelbase), the less the front tire falls over while countersteering. If that's true, I'd also think that shorter wheelbase/quicker steering bikes like supermotards would show more front tire wear away from the centertread.
Does that make sense?
"VFRs aren't dirtbikes." - tpierce(MP)
#26
Posted 08 June 2009 - 12:06 PM
#27
Posted 08 June 2009 - 12:18 PM
Supposedly in search of the elusive 50,000 mile motorcycle tire.
#28
Posted 08 June 2009 - 01:14 PM
Pete McCrary, on Jun 8 2009, 12:18 PM, said:
Supposedly in search of the elusive 50,000 mile motorcycle tire.
That one's been beaten to death; do a google search for "darkside riders." Some guys swear by it, others tell them they're crazy. Anyways, I'm enjoying this thread as is, let's not drag the darkside debate into it...
'04 VFR - 75k Miles & zero valve adjustments - Sargent - Helibars - Gutted - Catless '99s - PCIII - Evo Shift Star - Sonic Springs & Racetech Valves - Wilbers Shock - Scottoiler - ScalaRider Q2 - Givi E460 - O2 elim'd - Datel Voltmeter - Custom Roadrash (LH only) -
#29
Posted 08 June 2009 - 01:40 PM
Pete McCrary, on Jun 8 2009, 10:18 AM, said:
Supposedly in search of the elusive 50,000 mile motorcycle tire.
An automotive tire is a mere rim protector on a motorcycle... before you can see 50K miles it will send
your ass in the giggle bushes...
94 RC45 #2
90 RC30 #44
VFR PEG LOWERING BLOCKS
http://www.vfrdiscus...showtopic=44940
Have a wheelie NICE day...
Lean & Mean it in every corner of your life...
If it wasn't for us the fast lane would rust...
V4'S are music to the seat of my pants...
1952 De Havilland Chipmunk...
Yank and bank your brains loose...
http://members.ebay....aboutme/-xlax-/
http://home.comcast.net/~netters2/
http://www.fox302.co...g&user=netters2
http://www.flickr.co...s/10503451@N07/
Busy Little Shop Photo Gallery
#30
Posted 08 June 2009 - 01:43 PM
SEBSPEED, on Jun 8 2009, 10:12 AM, said:
Bent, on Jun 8 2009, 10:48 AM, said:
Seb, Hwy. 28 is a blast but you're supposed to have a little bit of strip on the front. Those rock banks are hard! Those Hogs on the way to The Gap must be pushing you up 28 at a high rate of speed.....
Hey, don't talk about Bailey like that, he might ban ya!!
I just assumed I was banned....
"If you can't have fun, don't show up."
~Bent 2001
"Where ever I go, fun follows me"
~R. Rowan
"Beware of the Shark Knife"
"If you think you're in a bind, you're in a bind"
~Bent 2010


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