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180 tire on 190 rim? |
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08-08-2008, 12:37 PM
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#1
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Throttle Lock
ronin_01r1 is offline
Join Date: Jun 2005
Location: south jersey
Posts: 1,105
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180 tire on 190 rim?
These are factory recommended tire sizes for my R1. I've only tried Pilot Powers in these sizes.
Front : 120/70-ZR17
Rear : 190/50-ZR17
I'm thinking about trying these Pilot Race tires.
Front: 120/70-17 soft or medium soft front
Rear: 180/55-17 medium
What do you think about putting on 180 tires on a 190 recommended rim? I've heard some guys do it and say it's fine and that it turns in faster.
Does the tire wear a lot faster?
Should I go with a soft or medium soft front? This is only for trackdays, not racing.
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2007 Kymco Grand Vista 250
2006 KTM 950 Supermoto
2001 Yamaha R1
1976 Honda CB360t
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08-08-2008, 12:44 PM
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#2
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Lieutenant Dan
FDNYDANO18 is offline
Join Date: Apr 2006
Location: Queens ,NY
Posts: 664
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190/55.... brother ![Wink](images/smilies/wink2.gif)
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08-08-2008, 12:47 PM
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#3
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Throttle Lock
ronin_01r1 is offline
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edit - the tires i have now are 190/55.
is there anything to worry about with the 180/55?
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2007 Kymco Grand Vista 250
2006 KTM 950 Supermoto
2001 Yamaha R1
1976 Honda CB360t
Last edited by ronin_01r1; 08-08-2008 at 01:07 PM..
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08-08-2008, 12:59 PM
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#4
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Throttle Lock
IrocRob is offline
Join Date: Jun 2005
Posts: 1,437
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Nothing to worry about...it will feel a little different, that's all...
Pilot Race Tires? Are they still making those? Or do you mean "Power Race"?
Personally, I'm with FD - 190/55
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08-08-2008, 01:06 PM
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#5
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Throttle Lock
ronin_01r1 is offline
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Power Race, not Pilot Race. My mistake.
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SONG
2007 Kymco Grand Vista 250
2006 KTM 950 Supermoto
2001 Yamaha R1
1976 Honda CB360t
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08-08-2008, 01:32 PM
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#6
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Lieutenant Dan
FDNYDANO18 is offline
Join Date: Apr 2006
Location: Queens ,NY
Posts: 664
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A 180/55 on a 6" rim will flatten out the profile and it will slow turn in... I would stick with the 190/55 so the profile remains as designed.... but it should be "safe"
190/55 was designed so riders with 6" rims could use a 55 profile....
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Last edited by FDNYDANO18; 08-08-2008 at 01:34 PM..
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08-08-2008, 01:54 PM
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#7
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Squid
JHuff1219 is offline
Join Date: Jun 2006
Location: Unionville, PA
Posts: 54
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Ronin, I use both on my RC. Power Race 190/55 (soft compound) street tires for when the track is slightly wet. I use the 180/55 michelin (s1200/s1800) slicks when the track is dry. The RC comes with 6" rim and recommends 190/55 but both tires wear equally. Contrary to what the others have suggested, my experience indicates the 190/55 turns in slower/harder than the 180/55. I say give them a shot, you will not hard the bike in any way and if you don't like them after a few sessions, I'll take them off your hands as the RC eats tires almost as quickly as gasoline. ![Smile](images/smilies/smilenew.gif) :twocents:
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08-08-2008, 02:04 PM
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#8
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Throttle Lock
ronin_01r1 is offline
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Location: south jersey
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i decided to pass on them since they require tire warmers and are sensitive to heat cycles. i don't want to be required to use tire warmers.
if anyone else is interested, STT is selling a front and 2 rears for $350 shipped.
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2007 Kymco Grand Vista 250
2006 KTM 950 Supermoto
2001 Yamaha R1
1976 Honda CB360t
Last edited by ronin_01r1; 08-08-2008 at 02:37 PM..
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08-08-2008, 02:41 PM
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#9
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Meatball's Daddy
NYCSTRIPES is offline
Join Date: Oct 2005
Location: Queens, NY
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I like the 190/55 on my TLR.
Just remember TPM charges 50 bucks to mount tires that weren't purchased through the parts club,
Ken
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08-08-2008, 02:49 PM
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#10
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Throttle Lock
ronin_01r1 is offline
Join Date: Jun 2005
Location: south jersey
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Quote:
Originally Posted by NYCSTRIPES
I like the 190/55 on my TLR.
Just remember TPM charges 50 bucks to mount tires that weren't purchased through the parts club,
Ken
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i change my own tires now. its pretty easy and quick, i should've starting changing them myself sooner. my setup is the harbor frieght tire changer and the no mar bar. easy as 1, 2, 3.
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SONG
2007 Kymco Grand Vista 250
2006 KTM 950 Supermoto
2001 Yamaha R1
1976 Honda CB360t
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08-08-2008, 03:12 PM
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#11
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Squid
JHuff1219 is offline
Join Date: Jun 2006
Location: Unionville, PA
Posts: 54
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Quote:
Originally Posted by ronin_01r1
how many trackdays can i expect out of a set at average red group trackday pace?
do the rear wear faster than the front?
would you recommend a soft or soft/medium for the front?
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I average three to four track days from the rear and three rears to one front. Does that make sense?
I use only soft compounds but it is not necessary for track day paces. I suggest using whatever compound gives you the most confidence. ![Smile](images/smilies/smilenew.gif)
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08-09-2008, 03:50 AM
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#12
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Learner's Permit
redneckrider is offline
Join Date: Jul 2008
Posts: 23
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you get that many days out of a rear? I get two, sometimes three out of a rear and twice that out of a front. Hell, the last Dunlop set i used, 211gp's, i got a day and a half out of the rear, but that was only because i couldnt stop it from tearing. This is at a Blue group pace though, on a gsxr750.
Your confidence matters more then the compound you are using. There are plenty of people who can run a fast pace on street tires like DCIII's or 2cts.
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08-10-2008, 09:57 AM
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#13
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Short Shifter
extreme78 is offline
Join Date: Jun 2007
Posts: 162
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Quote:
Originally Posted by ronin_01r1
Power Race, not Pilot Race. My mistake.
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I used Power Race last seasson and they have a nice grip but dont last too long (ask Ant) , I killed a set in 2 days on my 600cc. Im using 190 on my gsxr600 if that any help to you.
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Last edited by Cakes206; 08-10-2008 at 11:04 AM..
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