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Radial Tire Thread

Discussion in 'V7/V85/V9 Chat & Tech' started by Bncprf, Mar 26, 2017.

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  1. Stradagene

    Stradagene Cruisin' Guzzisti

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    Only possible due to the generous and friendly assistance of fellow members of the GT famiglia here on these discussion forums.
    Thank you!
     
  2. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    With spoked wheels, if I fit redial tyres, with tubes, will I still get all of the advantages of radial tyres except for the tubelessness?
     
  3. farmboy460

    farmboy460 Tuned and Synch'ed

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    I know it is a different kettle of fish but with car tires running tubes in radial tires not made for it was a really bad idea. It creates more heat and possible blowouts.
     
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  4. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    What about the much touted better handling and/or mileage?
     
  5. Stradagene

    Stradagene Cruisin' Guzzisti

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    I thought Todd was exaggerating, but, no. He was absolutely correct.
    I picked up my V7R from Todd on Friday with the new Continental Road Attack 3s and put just over 300 miles on them this weekend.
    Truly a night and day difference in terms of handling and confidence.
    I haven't calculated milage yet - although I don't suspect there would be any difference.
    (For the first 90 miles I did an even and exact 50 mpg ~ the problem is there is no baseline for that number. I don't know what I was averaging with the previous Sports Demons, AND my racer is an 820 cc - 4 valve so it is unlikely a direct comparison with other V7s.)
     
  6. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    So, if I put those tyres onto my bike (spoked wheels) with tubes, does anyone know if such a night and day difference would be in evidence for me, or does having a tube in there take away most/all of the handling advantage?
     
  7. Stradagene

    Stradagene Cruisin' Guzzisti

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    * I did find the RAIIIs noticeably more unstable under 2 mph - perhaps a consequence of their profile?
    ...well worth the trade off!! :)
     
  8. Stradagene

    Stradagene Cruisin' Guzzisti

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    My bike has spoked wheels, and I therefore run tubes.
     
    Last edited: Sep 17, 2017
  9. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    OK, I give up!
     
  10. GT-Rx®

    GT-Rx® Administrator Staff Member

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    Yes, Google bias ply versus radial tire construction. Tubes or not, doesn't matter. Chris states his opinion above. Yes you will notice a difference if you have enough miles under you.

    The point of this thread is to let people know about radial tires, not on what everyone is using outside of them. ;)
     
  11. Stradagene

    Stradagene Cruisin' Guzzisti

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    Welcome! ;)
     
  12. Garth Weston

    Garth Weston Just got it firing!

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    I just purchased my Guzzi so don't have experience on the V7iii yet. Installed Continental road attack radials with tubes on my 71 BSA rocket 3 and it is a major improvement over the old Dunlop tt100 or Avons. Much better grip, especially in the rain. I only have 4000 km on them but they still look new so I suspect they will last much longer .
     
  13. roadscum

    roadscum Cruisin' Guzzisti

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    I feel you pain, seems like a simple question. I would expect with such a brilliant group of riders here someone would be able to provide an answer and brief explanation to support their answer. It just ain't happening here...

    Paul
     
  14. Stradagene

    Stradagene Cruisin' Guzzisti

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    A quick ride report.

    I've had the RA3's on the V7 Racer for two weeks now, and I've put a little over 700 miles on them so far.

    They're remarkably better than the Pirelli Sports Demons that I had on the bike previously.

    There were occasions when the Sports Demons had a bit of a squishy feeling to them; a feeling as if one didn't really know what the tire was going to do because it felt like it was distending between the road and the bike. It left a lingering sense of reduced confidence in what one could expect.

    Completely the opposite with the RA3s. They feel so much more attached and really provide a good idea of what your tires are doing, where they're going, and how much more they have to give. The spongy feeling that the Sports Demons sometimes had is completely gone.

    Near the end of last Sunday's ride I came a bit hot into a reverse-banked curve of decreasing radius that I didn't quite see through because of the setting sun. At that point I just needed more lean, and the RA3s performed admirably. I had the feedback that I needed to lean in and roll on the throttle to make a clean exit - and the confidence to know that the tires would stick through it. It was nice. In a situation like this the feedback from the Sports Demons would not have been so positive. They would have been much more nebulous.

    So far, definite thumbs up.
     
  15. Jason Mcculloch

    Jason Mcculloch Just got it firing!

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    Great info! Did you stick with stock width or go 1 size up...?
     
  16. Stradagene

    Stradagene Cruisin' Guzzisti

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    Stock sizes:
    Continental Conti Road Attack 3 130/80 R17 65V
    Continental Conti Road Attack 3 100/90 R18 56V
     
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  17. Robebop

    Robebop Tuned and Synch'ed

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    So then how much larger can you go with these tyres and what are the benefits if you went to a larger fitting?
     
  18. RedHawk47

    RedHawk47 Tuned and Synch'ed GT Famiglia

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    there are no benefits from going to a larger size. There are un-benefits such as interfering with the handling characteristics that the manufacturer has designed for that motorcycle and the OEM size tires.
     
  19. GT-Rx®

    GT-Rx® Administrator Staff Member

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    OK, so I now (finally) have access to a very limited count of the Conti RA IIIs. Ping me direct email if you want a set; Todd at GuzziTech.com
     
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  20. GT-Rx®

    GT-Rx® Administrator Staff Member

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    Now in stock...

    1FCFFD9E-303C-403B-97D1-D546CDD3E89F.jpeg
     
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