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Tyres 180/60/17 anyone tried?

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gregorious77 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gregorious77 Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2013 at 22:05
I always measure from swing arm pivot to axle anyway.
My Dunlop GP Racers are very close to the chain but not touching.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JMH Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 2017 at 11:37
Reviving this thread.
 
Gen1 RSV Mille & 180/60 rear tyre.
 
Does it fit with a tyre warmer?
 
If it does, what is you setup?
 
Sprockets:?
Chain length:?
Chain type: 520 or 525?
Tyre:?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mixdrive1 Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2017 at 00:33
Yes mate fits with warmers, chain length i think is 110 depending on sprockets as well, 525
current;2001mille,2003R,2003Eddy,2012Tuono. Previous RS250,2006Factory,2001mille,2001R and 2x2002mille
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JMH Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2017 at 08:08
I have 108 15/42 & 525
Mille Aarrr -02 (1060 BB, Gen2 heads, 2-2 Akra, timed cams, bespoke Gabro chip + TSS slipper) & Beta 480 RR MY19
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mixdrive1 Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2017 at 11:05
Originally posted by JMH JMH wrote:

I have 108 15/42 & 525

I've never tested on those sprocket sizes but i would think the tyre may not clear the swing arm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2017 at 13:18
Gen 1 with 180/60 on 110/520 pitch chain with 16/44 gearing and it clears everything and I find them fantastic on the road with 33 front and 28/30 rear depending on temperature .
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JMH Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2017 at 14:33
Ordered 180/55 slicks and will try to get my hands on a trash bin 180/60 and test the clearance.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mixdrive1 Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2017 at 22:15
Originally posted by JMH JMH wrote:

Ordered 180/55 slicks and will try to get my hands on a trash bin 180/60 and test the clearance.

 
You using it for track right? What track cus those sprocket sizes are very strange! I'm currently running 180/60 slicks with a 525 chain but most of the lads are running 200/60 slicks for the better corner exit speeds which is probably where i gotta go when i get fast enough but for that you need a 520 so i believe and a long wheel base so everything is a compromise.

If your not racing/governed by class rules then an easy fix is to fit a gen2 swing-arm giving more clearance
current;2001mille,2003R,2003Eddy,2012Tuono. Previous RS250,2006Factory,2001mille,2001R and 2x2002mille
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JMH Quote  Post ReplyReply Direct Link To This Post Posted: 24 May 2017 at 20:43
Originally posted by mixdrive1 mixdrive1 wrote:

Originally posted by JMH JMH wrote:

Ordered 180/55 slicks and will try to get my hands on a trash bin 180/60 and test the clearance.

 
You using it for track right? What track cus those sprocket sizes are very strange! I'm currently running 180/60 slicks with a 525 chain but most of the lads are running 200/60 slicks for the better corner exit speeds which is probably where i gotta go when i get fast enough but for that you need a 520 so i believe and a long wheel base so everything is a compromise.

If your not racing/governed by class rules then an easy fix is to fit a gen2 swing-arm giving more clearance
 
It is both for track and road. I use the original OZ wheels on track and then I have the standard wheels from my former binned Mille for road where I find Metzeler Z8s grippy enough.
 
The sprocket ratio is basically the same as 16/44 but it was doable with a 108 link chain.
 
I am in a process of stripping the bike from its original fairings as I have had a second set been painted including the fuel tank as well as road and track front and rear fairings.
 
Makes the road to track and back conversion quite easy.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mixdrive1 Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2017 at 12:40
Ah no worries mate, yeah i was doing it that way afew years ago but in the end was too bad a compromise so bought 2 mille's, 1 for road and 1 for track Smile
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevieonit Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jul 2017 at 13:44
Yup used use my teams old supersport tyres rode ok but only prob I had was it just rubbed hugger on a brand new chain
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 10:46
Sorry to dredge up an old thread but anyone running a 180/60 on the rear, how do you have your front and rear ride height setup?

Getting a pair of Metzeler Compk to be fitted at Catalunya later in the year (120/70f and 180/60r) and don't want to fight with shortening the shock when I'm there. Should it be fine as is, or maybe fixable by raising the front end a bit?

Bike currently has:
120/70 front, 180/55 rear Pilot Road 3
3 lines on the Showa forks (15mm) showing above the top yoke
5mm of thread on the Sachs shock ride height adjuster

Do you reckon it'll be right?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 10:51
Never had a problem with mine. Check your chain length though as the 180 runs very close to the back of the swingarm, I went to 110 link chain for extra clearance.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 11:16
Good to hear thanks. Did you have similar ride height to me?

I'm running 15-42 gearing which puts my axle fairly far back in the swingarm. Should only be 9mm taller in theory. Although manufacturers often don't make them the size they sell them at. And my current touring tyres are a bit squared off in the middle.

From memory I think I have at least 20mm clearance on the front of the swingarm. Hard to measure isn't it. Maybe I could tape a piece of wood or something to the tyre and see if it passes through LOL
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 11:40
I had some clearance at the front on mine but I was worried about tyre build at speed.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 12:12
Yeah good point. I've no idea how much a tyre might expand at speed but would certainly want at least 5mm clearance at minimum. I don't run tyre warmers yet but would think if you could fit tyre warmers round it then there should be enough clearance.

So long as the bike can handle the geometry change I'm happy. Thanks for confirming that Thumbs Up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 12:35
Originally posted by 426hemi 426hemi wrote:

Never had a problem with mine. Check your chain length though as the 180 runs very close to the back of the swingarm, I went to 110 link chain for extra clearance.


Ah just read this right I think. So you had 16-44 with 108 link chain and it was close so you went to 110 links to be sure. How much clearance did that give you?

Looking at the Gearing Commander website 16-44 110 is only 3mm longer than 15-42 108.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 14:44
I've run a 110 on 15/44 with a 60 profile and it gives enough to just squeeze a tyre warmer through. Whilst a 108 initially allowed the wheel to turn once it had been heated up it was rubbing the face of the swingarm. 
The 15 tooth front may give an additional clearance also 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 15:15
Originally posted by wigginsjp wigginsjp wrote:

I've run a 110 on 15/44 with a 60 profile and it gives enough to just squeeze a tyre warmer through. Whilst a 108 initially allowed the wheel to turn once it had been heated up it was rubbing the face of the swingarm. 
The 15 tooth front may give an additional clearance also 


Cheers wiggins.So combined with what you and hemi have said it looks like anything over 630mm from sprocket to sprocket is ok, with 620mm being too tight. I'll just have to give it a go probably because 15-42 falls somewhere between at 628mm. Either that or re-think tyre choices and look for another 180/55 as my chain has decent life in it still.

Front Rear Links Sprocket  Distance Notes
16 44 108   615mm Not happy with clearance
16 44 110   631mm Good
15 44 108   619mm Ok cold, no clearance when hot
15 44 110   635mm Good
15 42 108   628mm ??? Hopefully

Got the above sprocket distances from Gearing Commander, hopefully they're right.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 15:36
Remember, not all tyres will have the same circumference even if they are the same nominal sizes. It can be surprising just how much they vary so you will need to suck it and see.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 16:06
Yeah was thinking that. I know they vary massively on their widths in that in some cases the difference between a 180 and a 200 can be only about 8mm, not 20mm. Surely the profiles will vary even more than the widths.

I'll try asking about for tyre circumference/diameter of a 180/60 compk. Shame manufacturers aren't up front with this information really.

Swapping to a 14t front would give me 631mm which should be more like it. Would be like going up another 2 at the back but then I'd lose a rear tooth or two from going up in tyre diameter.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 16:17
Again, be careful, the smaller you go on front sprocket the greater the likelihood the chain may jump if the chain slack is slightly loose. And or course the sprocket will wear even faster but I guess that is not really a concern. If you are struggling maybe the best route is to change the chain as that will give you some adjustibility for potential gear changes too.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 17:01
Probably new chain is ideal because it gives more options but Yorkshire solution might be to take a 14t front just in case. Then it'll just be a quick sprocket swap hopefully if it doesn't fit as it is.

Hopefully I'll not be buzzing past the start line at Catalunya at redline in 6th then LOL Ha it's a long straight but should be fine.

Going from 17-42 to 15-42 was a great move. Made gear changes much smoother and seemed to lessen engine braking too, which was better for carrying more speed in. Maybe 14-42 would be even better.. Or 15-44 with a 110 chain.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill R Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 22:46
Running 180 / 60 Power RS's, 16 - 45  / 520 / 110  (would never go back  to a 190 / 55)
When I changed from 190 / 55 Q3+ 's, I did find it necessary to go up 1 tooth in the rear to compensate for the slightly larger tire diameter. As they did change the acceleration & shift point off the corners on the track.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jun 2019 at 23:20
Ah nice thanks Bill. Most of the track based tyres are in 180/60 rather than 180/55 these days aren't they. It's good to know the extra profile height doesn't ruin the geometry. How do you like the Power RS?

I had a go at measuring how much clearance I have now by taping old brake pads to the tyre and seeing if they pass through when I spin the wheel. 5 went fairly easily which was just over 30mm. So I figure it can take a tyre about 25mm taller. My mate measured a compk scrub of his and it looks to be about 10mm taller than mine at most. Should fit easily.

Don't think width will be a problem either because the curve of the swingarm face is shallower than any modern sports tyre so it's only the crown that could rub I think.


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Post Options Post Options   Thanks (1) Thanks(1)   Quote Bill R Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2019 at 04:12
I really like the Power RS's, started running them last year and will go with them this year.
I find them a excellent balance of grip, wear and predictability. Did run a set of  SC's prior to the RS's but not so sure they were good value, they seem to fall off rapidly as they wear. The rear was a 180/60 also.  With the RS's, I run 35 psi cold front and 26 psi cold rear. I find them very linear and track well in corners. No problems with line while trail braking into the apex. My set up is 4 lines on the Ohlins front end and 2 threads showing on the rear Ohlins ride height adjuster.
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2019 at 21:34
They sound good although you don't hear much talk about them being used seriously on track. I was eyeing them for track use though. At a slower novice/inters pace you want a tyre that gives confidence and doesn't overheat like a full road tyre but you don't need a full race tyre. It's sort of a middle ground that doesn't have too many tyre options.

I settled on the compk because they will grip more than I need at my pace, last ages and because they're slicks they will force me to put my touring tyres back on after track days for the road. If I used DOT race tyres I could see myself getting lazy, leaving them on and wasting them on the road.

Thanks for sharing your front and rear ride height!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill R Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2019 at 01:43
As much as I like them on track not so sure that they would be my first choice for the street, as I would be looking for a tire that could handle a wider range of weather conditions. That said they are a very capable upper intermediate tire and can handle an off weather day. At present I have no desire to carry around a generator and tire warmers, perhaps one day.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote StorminBen Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2019 at 04:51
Originally posted by legend88 legend88 wrote:

Remember, not all tyres will have the same circumference even if they are the same nominal sizes. It can be surprising just how much they vary so you will need to suck it and see.

I can second that! Back in the day I tried a set of Dunlops on my VTR track bike and they were terrible! Edge grip was great but they rubbed the hugger badly and were completely unstable. Switched back to SC in the same 180/55 size and no rubbing or instability
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blacklines Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jun 2019 at 09:36
To see how much space I had for a bigger tyre, this is what I did:

5 old brake pads taped to the rear tyre went round fine. So I measured the height of the stack to see what I had to spare. Was about 32mm from memory.

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