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Author [ES] [CA] [PL] [PT] [IT] [DE] [FR] [NL] [DK] [NO] [GR] [TR] Topic: Oddball tires.  (Read 1557 times)

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Offline WaffleHouse

  • Inazuma Member
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  • Posts: 55
  • Country: California
Oddball tires.
« on: December 01, 2019, 11:06:54 PM »
When I ordered new tires to replace my low-mileage but old & deeply cracking
OEM tires, I was feeling experimental.  I bought IRC Road Winners again, but
messed with the sizing a bit.  This was some months ago, so I've ridden quite
a bit with the replacements.

The rear tire:  Replaced stock 140/80 with 130/80.
I have used skinnier than stock rear tires on bikes in the past and
have always been happier, felt that the bike turned better, had a sharper
feeling from the rear tire.  That is how I feel about this switch.  GOOD.

The front tire:  Replaced stock 110/80 with 110/70.
I was having trouble finding a front tire in the stock size.
Some bad googling or something was going on, because I was
able to easily find the correct OEM size about a day after I had ordered.
With past bikes, going for a LARGER than stock aspect ratio was the
hot ticket.  But here I went with a SMALLER than stock aspect ratio.
Result?  Feedback was sharper, but not good. Front tire now feels as though
it is much more easily deflected when hitting bumps.  So I am definitely
cornering less aggressively than I would with an OEM front.  BAD.

I hope this helps.

Offline SammyJ

  • Inazuma Junior
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  • Posts: 9
  • Bike: 2016 Inazuma
  • City / Town: Auckland
  • Country: New Zealand
Re: Oddball tires.
« Reply #1 on: May 12, 2020, 11:52:27 AM »
Could you share the exact specification for your new tyres? I’ve just started a post on radial tyres for the GW250 and would love to know your detailed experience. I too have the front changed to 110/70R17 instead of the original 110/80-17. I changed to radials and don’t feel awkward.
One correction for your post though, the original rear is 140/70-17, not 140/80-17.
2BorNot2B

Offline tian

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  • Country: France
Re: Oddball tires.
« Reply #2 on: May 15, 2020, 01:29:39 PM »
changing tires size and dimension come with the risk of losing any insurance guarantee in accident  :211: here ... not worth it   

Offline WaffleHouse

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  • Posts: 55
  • Country: California
Re: Oddball tires.
« Reply #3 on: May 26, 2020, 12:33:29 AM »
*Originally Posted by SammyJ [+]
Could you share the exact specification for your new tyres? I’ve just started a post on radial tyres for the GW250 and would love to know your detailed experience. I too have the front changed to 110/70R17 instead of the original 110/80-17. I changed to radials and don’t feel awkward.
One correction for your post though, the original rear is 140/70-17, not 140/80-17.

Sorry for the delay in replying. I don't recall every getting a notification for this. 
Yes, you are correct. The stock rear tire is as you say, a 140/70.

And I was incorrect TWICE.  I actually installed a 130/70 IRC Roadwinner on the rear, NOT a 130/80.  I don't know how I screwed both of those up.

On the front I put a 110/70 Roadwinner.  I suppose the manufacturer site might have detailed specs for you.

I just found your other post about radials. I will definitely try those next time. Thanks for experimenting and sharing your results.

Offline WaffleHouse

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  • Posts: 55
  • Country: California
Re: Oddball tires.
« Reply #4 on: May 26, 2020, 12:34:40 AM »
*Originally Posted by tian [+]
changing tires size and dimension come with the risk of losing any insurance guarantee in accident  :211: here ... not worth it   

Have you considered a revolution?  :)

Offline DJN

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  • Posts: 44
  • Country: UK
Re: Oddball tires.
« Reply #5 on: August 29, 2020, 01:57:46 PM »
 I have  found the Road Winner  adequate,  but they are no longer available in the standard sizes.
  Looking on the PIRELLI  web-site came up with the "Sport Demon"  in 110/80 & 140/70 sizes. 

Offline onazoomerF

  • Inazuma Member
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  • Posts: 82
  • Bike: GW250 F
  • City / Town: Perth
  • Country: Canada
Re: Oddball tires.
« Reply #6 on: August 30, 2020, 09:23:31 AM »
Perrellis are a fantastic tire. I just loaded on some Bridgestone Battleaxe, front/rear. I asked for a long wearing tire. I don't expect a lot of Perrelli performance, but a long time before I have to scratch my rims again (damn).
 

 


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