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tyres
Jul 3, 2007 6:48:18 GMT -5
Post by everydaybiker on Jul 3, 2007 6:48:18 GMT -5
The Avon Azaro is a touring tyre with a harder compound in the centre area supposedly to increase mileage. Got them on my VFR and they're about half worn at 6k, most of which has been straight line motorway riding. Spose that's pretty good really. Had Bridgestone BT020's before that, also a touring tyre, I remember them being more squared off at 6k than the Avons are. Looking forward to a smaller tyre bill with the NTV.
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tyres
Jul 3, 2007 7:03:38 GMT -5
Post by tweaker on Jul 3, 2007 7:03:38 GMT -5
On my DV I had BT45s and was always very happy with them - secure on the corners but with harder wearing centre section. On my NTV I have Bridgestone Exedras - not impressed with the grip on the corners - about a week after getting the bike had my first experience of rear wheel slip as I banked over slightly on an uphill slip road onto the A1 northbound (north Stevenage) doing about 50 - yes, it was wet but I would have had no qualms about doing that on the DV (DV does have a tonne of weight at the back though - panniers ...). I have thought of going to Avon rubber, being a good brit, but I'm not sure where to pitch it - had thought of roadriders but my experience with the exedras (I think they are Bridgestone's equivalent) has put me off a bit - maytbe I should go for the new Storm ST if they to the front in the NTV size.
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tyres
Jul 7, 2007 2:20:50 GMT -5
Post by everydaybiker on Jul 7, 2007 2:20:50 GMT -5
Thanks for that, RWEREW! Translation, anyone, anyone....
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tyres
Jul 11, 2007 12:54:02 GMT -5
Post by mexicanbandit on Jul 11, 2007 12:54:02 GMT -5
Click on the words, if thats what they are, they seem to be links to web sites??
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tyres
Jul 11, 2007 15:48:18 GMT -5
Post by tweaker on Jul 11, 2007 15:48:18 GMT -5
If anyone's interested .. I spoke to Avon Tyres yesterday - they are phasing out the Azaro ST completely and do not intend doing a Storm ST tyre in 110/80ZR17 .. size isn't popular enough. They said you could be okay using Storm ST on tha back and 110/80H17 roadrider on the front.
- Tweaker
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tyres
Jul 12, 2007 3:14:17 GMT -5
Post by derbyshirebill on Jul 12, 2007 3:14:17 GMT -5
Here's a question on tyres. Has anyone who has changed to radials investigated what tyre pressures should be used? Standard 33psi or what, please?
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tyres
Jul 12, 2007 8:17:01 GMT -5
Post by mexicanbandit on Jul 12, 2007 8:17:01 GMT -5
I've always run radials usually pump em up to 33 34 ish havent had any probs on the corners
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tyres
Jul 16, 2007 11:00:00 GMT -5
Post by Jake on Jul 16, 2007 11:00:00 GMT -5
Bill,
Pressure for radials (e.g. Bridgestones BT020) 36psi front and 42 psi rear......
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tyres
Jul 16, 2007 16:45:49 GMT -5
Post by everydaybiker on Jul 16, 2007 16:45:49 GMT -5
Jake....
Why the higher pressure for radials? I know the recommended rear pressure is 42 for 2-up riding, should that be even higher if running radials?
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tyres
Jul 17, 2007 3:40:47 GMT -5
Post by Jake on Jul 17, 2007 3:40:47 GMT -5
When I had my tyres fitted (too lazy to do it myself) the guy’s checked their list and it was and it was 36 front and 42 rear for the BT020 radials. They also suggested that given the relatively light weight of the NTV, pillion settings for rear tyres were OK for normal use. Just as an experiment I tried lower pressures of 33 front and rear, but found that the bike ran better on higher pressures, engine seemed less stressed at speed and MPG was improved. Also, had no problems in the wet or with excessive wear. Didn’t have any problems in cold conditions with the tyres warming up either. But you need to try this for yourself, you may prefer the lower pressures. I did have some info on tyre pressures from the manufacturer’s but can’t find it at the moment, but I did check and found that tyre pressures were correct…. Here’s an extract from the Divvy 600 and 900 forum: “Leo Smith spent years as chief development tester at Avon tyres. He is now motorcycle product manager. He said: " We probably get asked more about tyre pressures than about any other aspect of a tyre. " There’s so much bad information kicking about that people can’t separate the truth from fiction. " Smith says that is largely the fault of tyre companies themselves. Several years ago, different tyre companies recommended different pressures for different tyres and different bikes. But around 10 years ago, a decision was reached between the companies to standardise pressures so that most bikes can run on the same no matter what tyres they’re on. That standard is 36psi at the front and 42psi at the rear **** “ See link below for more info groups.msn.com/YamahaDiversions/techinfo.msnw?action=get_message&mview=0&ID_Message=1345&LastModified=4675502038059219829Jake.
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tyres
Jul 17, 2007 7:29:21 GMT -5
Post by derbyshirebill on Jul 17, 2007 7:29:21 GMT -5
Ta Chaps. I think I'll go for somewhere between the two, then play around a bit. Bill
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tyres
Jul 17, 2007 8:26:19 GMT -5
Post by everydaybiker on Jul 17, 2007 8:26:19 GMT -5
They also suggested that given the relatively light weight of the NTV, pillion settings for rear tyres were OK for normal use. Interesting. I'd have thought the weight thing would have worked the other way, i.e. light weight + high pressure = less grip. Still if that's the case I might bump up the rear pressure a bit and squeeze some more miles out of the tyre!
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tyres
Jul 17, 2007 8:30:11 GMT -5
Post by everydaybiker on Jul 17, 2007 8:30:11 GMT -5
If anyone's interested .. I spoke to Avon Tyres yesterday - they are phasing out the Azaro ST completely and do not intend doing a Storm ST tyre in 110/80ZR17 .. size isn't popular enough. They said you could be okay using Storm ST on tha back and 110/80H17 roadrider on the front. Are the Storm ST and Road Rider both radials?
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tyres
Jul 17, 2007 11:35:47 GMT -5
Post by Jake on Jul 17, 2007 11:35:47 GMT -5
'light weight + high pressure = less grip.....'
Good point everydaybiker....
I mentioned this to the guy's who fitted my tyres, but I think that they were trying to say, that during normal use, any bike despite its weight could have it's rear tyre set to the higher pressures recommended for carrying passengers, without adverse effects to its handling.
But as I say, you need to try these things for yourself to find the settings you prefer....
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tyres
Jul 18, 2007 7:04:53 GMT -5
Post by tweaker on Jul 18, 2007 7:04:53 GMT -5
.. Are the Storm ST and Road Rider both radials? .. The storm ST is Avon's latest radial. The roadrider is Avon's latest bias cross-ply. The man at Avon (think his name was Pete McNully) seems to be their technical expert for bike tyres and until recently used to answer any tyre questions in the Motorcycle Sport and Leisure magazine. He said it's fine to mix radials and bias cross-ply on a bike so long as the radial is on the back - he also happens to have been a one time owner of an NTV! The Azaro ST was Avon's previous "sport-touring" radial, and 110/80-17 was available in that range - you can probably still pick one up if you want to - but they are phasing the Azaro ST out completely (Storm ST taking over) My conclusion is really that the StormST/RoadRider combination is a compromise and I'll be sticking to the tame tyre type on front and back. I know we're all waxing lyrical about radials, but ('cos I so desperately want to be a good Brit!!) I will probably try RoadRiders front and back for my next pair ('bout £95 for the pair from Busters at the moment). Perhaps the fact that the're cheap has got something to do with my decision as well . On tyre pressures for radials .. Jakes comment re 36/42 for front /rear is borne out by that fact that those are the pressures specified for the (Radial equipped) Deauville both solo and pillion. All the best all - Tweaker
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