Author Topic: New Tyre  (Read 35577 times)

Offline alans1100

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Re: New Tyre
« Reply #50 on: September 03, 2016, 12:09:12 PM »
:bl11.  Gidday Alan.
                                 I was wondering that when you change the rear tyre ,160/70 to a 170/60 series is there a noticeable difference in a higher rpm at highway speeds? Being a lower profile.Good write up about your tyre history .
Hi, only a minor difference about plus 3 percent from here http://tiresize.com/calculator/ so e.g. 3000rpm on OEM size @ 100 K/H would mean about 3090 RPM for the same speed.




« Last Edit: July 07, 2017, 01:38:06 PM by alans1100 »
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Offline alans1100

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Re: New Tyre
« Reply #51 on: September 24, 2016, 12:48:34 PM »
With some casual work due to start in the near future I decided to check out the current rear tyre on the bike and maybe replacing it sooner rather than later. Available cash meant getting a cheaper option so I went back a Bridgestone T30 EVO 160/70ZR17 http://www.bridgestone.com/products/motorcycle_tires/products/detail/pr009/index.html

Ordered today from the US at a to my door price of $AUD238 at todays exchange rates for my bank or $US177.




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Offline alans1100

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Re: New Tyre
« Reply #52 on: October 08, 2016, 06:30:57 PM »
New Bridgestone T30 EVO rear arrived yesterday and getting fitted on Monday. I was going to remove the rear wheel this afternoon decided to leave it until Monday morning; no need to get dirty twice!!!

PR3s still have tread but not enough to last the 3 months I'm away working so better to do sooner than later which gives the PR3 rear 8500km.

There was a time when I'd wear the centres out before edges and now it's opposite - the down side of the modern tyre I guess.
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Offline spanner

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Re: New Tyre
« Reply #53 on: October 11, 2016, 11:19:21 AM »
Alan,

Do you do the tyre change your self or do you take it somewhere and they do the actual change for you?

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Offline alans1100

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Re: New Tyre
« Reply #54 on: October 11, 2016, 01:06:50 PM »
Alan,

Do you do the tyre change your self or do you take it somewhere and they do the actual change for you?
I take it down to the local car tyre dealer. Just take wheel/tyre and new one plus the balancing beads and it's all swapped over for $15/wheel. If it's urgent I'll get the tyre from them and then it's fitted free.

They do all the local farm bikes so it's no drama; only they can't balance as they don't have the bike adapter for balance machine.

Finished fitting it today and noticed the rear calliper wasn't as free to slide as it should be and the outer pad had worn more than the inner so new pads needed ASAP.
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Offline alans1100

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Re: New Tyre
« Reply #55 on: January 21, 2017, 01:00:14 AM »
The Michelin PR3 front that I put on about a year ago is nearing replacement so I ordered some tyres this morning.

I checked out JW and looked at some local online stores over the last few weeks and decided on a pair of Dunlop Roadsmart 2s from http://www.motorcycletyresplus.com.au/ Total cost $390 for both and free delivery

Prices including shipping were on par with JW so made sense to buy local. The Dunlop 2s being superseded by the 3s were about $60 cheaper than the Bridgestone T30 EVO which suits my budget at the moment.




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Offline spanner

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Re: New Tyre
« Reply #56 on: January 23, 2017, 11:50:21 AM »
I had an emergency replacement after my aborted BB2500 and got a rear replacement Pilot Road 4. 

Cost was $330 JUST for the rear!!
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Offline alans1100

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Re: New Tyre
« Reply #57 on: January 23, 2017, 02:51:47 PM »
I just had a call from Road & River Tyres.

Seems the rear tyre I ordered in my size is out of stock and since it's been superseded by the Roadsmart 3s I was given the choice of upgrading both front and rear (pay a little more) or they swap the rear for no added cost. Works for me considering I was looking at the 3s for next time.

http://www.dunlopmotorcycle.eu/dunlop_euen/mc/tyres/on_road/RoadSmart_III.jsp
« Last Edit: January 23, 2017, 03:07:41 PM by alans1100 »
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Re: New Tyre
« Reply #58 on: January 23, 2017, 07:58:07 PM »
Alan,interesting choice as most ( as I read ) go with Michelin or Pirelli. Please leave some feed back as to how they go as I don`t mind experimenting...looking for tyres in 12 months or so...... :wht11
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Offline alans1100

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Re: New Tyre
« Reply #59 on: January 23, 2017, 08:31:29 PM »
Alan,interesting choice as most ( as I read ) go with Michelin or Pirelli. Please leave some feed back as to how they go as I don`t mind experimenting...looking for tyres in 12 months or so...... :wht11
I did try the PR3s and bought them on a run out deal.

The front is still on after fitting in April last year and has just done 12,000km and almost down to the tread limit bars which is on par with what I usually get on the front. Had I paid full price for the tyre I wouldn't have got anything for the extra price.

The PR3 rear managed a mere 8500km and again on par with what I usually get. The current rear is a B/stone T30 EVO and it's done 7400km and I'm running this one with 45psi to see if it makes a difference but hard to tell at the moment.

If I was riding solo most of the time my tyre wear may not be so bad but riding two up and about 40 - 50 percent trailer usage it doesn't seem to be any gain from using a supposedly better tyre.

The best tyres I ever had on my 1100 were Dunlop D205s and nothing has ever come close to mileage I got out of those (F - 18000km and R 12000km).
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Offline spanner

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Re: New Tyre
« Reply #60 on: January 23, 2017, 09:31:19 PM »
Is it a case of mileage Bs grip?

Longer mileage tends to be a harder tyre compound in car tyres and I know they have much less traction in stopping and corners. 

Is this the same deal with bike tyres??
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Re: New Tyre
« Reply #61 on: January 24, 2017, 06:14:19 AM »
Is it a case of mileage Bs grip?

Longer mileage tends to be a harder tyre compound in car tyres and I know they have much less traction in stopping and corners. 

Is this the same deal with bike tyres??

Yes it is.

Friction is what determines grip. Harder compounds don't flex as much at the contact point and is not as tacky and therfore loses grip earlier. The softer compound flexes more and is stickier and so grips the road better.

It is one of the reason the Michelin PR3s and PR4s and other similar tyres grip so well. They have a medium compound in the Centre of the tyre where you spend the most time and a soft compound on the sides for when you are cornering and need the most grip.

Here is a really good article on tyres (tires):

http://www.canyonchasers.net/shop/generic/tires.php

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Offline spanner

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Re: New Tyre
« Reply #62 on: January 24, 2017, 06:24:43 PM »
 Cheers
« Last Edit: January 27, 2017, 05:35:54 PM by spanner »
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Offline alans1100

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Re: New Tyre
« Reply #63 on: January 27, 2017, 12:27:37 PM »
Tyres arrived a few minutes ago and just looking at the tread and without measuring the depth it appears deeper (at least on the rear) than the T30s.

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Offline alans1100

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Re: New Tyre
« Reply #64 on: April 21, 2017, 03:57:38 PM »
Front wheel down at the tyre dealer having the new tyre put on so should have it back late this afternoon.

This is the PR3 that I put on in April 2016 which has done 12,740 km. Could have squeezed a little more out of it but it's down to the wear bars and with winter coming not far off it was better to change. This one was running at about 38/9 psi instead of my usual 36.



This is the next one on and after nearly 9 years I thought I give Dunlop another go.





The rear isn't to far off of being replaced either.

« Last Edit: July 07, 2017, 01:46:58 PM by alans1100 »
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Offline STroppy

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Re: New Tyre
« Reply #65 on: April 21, 2017, 07:17:47 PM »
You need to ride over Horrocks n back a few times to get rid of the flat spots . . I'll come over to help out . .
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Offline alans1100

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Re: New Tyre
« Reply #66 on: April 22, 2017, 03:14:48 PM »
You need to ride over Horrocks n back a few times to get rid of the flat spots . . I'll come over to help out . .
Only time mine gets any serious corner work is through that pass otherwise it's mainly straight roads and hi speed corners (85 k/h and above).

Bike back on the road today after paying the rego online last night.
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Offline alans1100

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Re: New Tyre
« Reply #67 on: June 15, 2017, 06:52:49 PM »
Rear wheel is now off the bike waiting for the local tyre place to come and pick it up plus the tyre tomorrow morning.

It's been 3 and a half years and 43,000 km since the final drive repair and all still looks good an no signs of wear on the drive flange either. Replacing all the 0 rings this time though the ones in place appear to be ok.



This Bridgestone T30 Evo made 9000 km with a Dunlop Roadsmart 3 going on.



Also I have to look at this. Bought some degreaser and once clean I'll see if I can find where it's coming from.

« Last Edit: July 07, 2017, 01:53:05 PM by alans1100 »
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Re: New Tyre
« Reply #68 on: June 16, 2017, 07:46:02 AM »
Looks like to O ring under the cap could be leaking.
 
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Offline alans1100

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Re: New Tyre
« Reply #69 on: June 16, 2017, 05:09:42 PM »
Looks like to O ring under the cap could be leaking.
Cleaned all the oil off that I could and I have to agree so I ordered the oil cap packing; I would have called it an O ring and it will only cost $10 plus a stamp for it to be sent from the Port Augusta dealer.

O ring on the drive flange was ok but replaced anyway and he ones on the wheel and in the drive unit had seen better days and had to be replaced.

All put back together just as a light shower of rain fell.

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Offline alans1100

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Re: New Tyre
« Reply #70 on: September 27, 2017, 12:45:05 PM »
Looks like I'm up for a new front tyre.

There appears to be canvas showing at various locations around the centre of the tread pattern as in the photo.

What I don't get is that it the tyre hasn't quite got to the wear bars and has only done 6 or 7000 km. The speedo drive failed so I can only guess at the usage but wouldn't be anymore than stated.

Could the 3psi (from 36)increase in air pressure cause the tyre to wear more in the centre on the Dunlop Roadsmart 2 than the same pressure on the T30 tyre? The rear is ok with only 5000 km and running the 3psi (from 42).



Regardless I've ordered a new PR4 GT spec tyre for the front at a cost of $228.95 delivered

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Re: New Tyre
« Reply #71 on: September 27, 2017, 07:16:10 PM »
This diagram might help explain the effects of over and under inflation.
I know its car tyres, but the laws of physics are the same.


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Offline alans1100

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Re: New Tyre
« Reply #72 on: October 04, 2017, 10:50:57 AM »
This diagram might help explain the effects of over and under inflation.
I know its car tyres, but the laws of physics are the same.


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Increased in pressure to compensate for the added weight of a pillion but seems to have had a negative effect on this tyre so going back to normal pressure on the front. Rear seems ok.
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Offline alans1100

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Re: New Tyre
« Reply #73 on: October 04, 2017, 11:09:00 AM »
Arrived in today's post.

Can't complain this time - postage paid 29/9 at 2:38 pm at Wollongong and arrived this morning and a long weekend as well.

$202.65 for the tyre plus $26.30 postage or $228.95 total.





Ordered the balancing beads today so they should arrive by Friday; hopefully.
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Offline Brock

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Re: New Tyre
« Reply #74 on: October 04, 2017, 03:41:58 PM »
They are a good tyre
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