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  • micathia Posts: 83
    Stock Poster micathia
    08 Dec 2018 10:11 PM
    thx for all replys. 

    I guess I 'd better start 160mm next time I change the tyre. 

    I use this bike for commute. On city road as well as country road depending on the day of the week. 

    I have slipped the rear tyre several occasions during in the rain. Having a bigger tyre without too much investment on it is my best try to increasing the traction (and safety). 

    It's not for looking, at least not the only purpose. 
  • John.R Posts: 490
    Stage 1 Poster John.R
    08 Dec 2018 10:23 PM
    Ill guarantee a bigger tyre will not acheive what you're trying to solve. It doeant work that way. Best bet is to find a tyre that works well in the wet. Some are good and some are terrible. 
  • micathia Posts: 83
    Stock Poster micathia
    09 Dec 2018 12:26 AM
    Quoting John.R on 08 Dec 2018 10:23 PM
    Ill guarantee a bigger tyre will not acheive what you're trying to solve. It doeant work that way. Best bet is to find a tyre that works well in the wet. Some are good and some are terrible. 
    thx. I will mention that to dealer next time too. 
  • Krash Kinkade Posts: 2780
    Forum Legend Krash Kinkade
    09 Dec 2018 08:02 AM
    Quoting micathia on 08 Dec 2018 10:11 PMedited: 08 Dec 2018 10:12 PM
    thx for all replys. 

    I guess I 'd better start 160mm next time I change the tyre. 

    I use this bike for commute. On city road as well as country road depending on the day of the week. 

    I have slipped the rear tyre several occasions during in the rain. Having a bigger tyre without too much investment on it is my best try to increasing the traction (and safety). 

    It's not for looking, at least not the only purpose. 
    a bigger wider tyre, does not grip better in the rain. 
    normally a soft sticky tyre with a good tread would grip in wet condition's a bit better. but as soon as it's dry, the tyre that will work best changes ( less tread more contact ). you just need the happy medium & never trust any tyre 100% in the rain. as diesel fuel on the road, no tyre will grip.
  • micathia Posts: 83
    Stock Poster micathia
    23 Mar 2019 06:07 PM
    Hi

    Just to come back and say thank you for all suggestions. Today I finally put on the Shinko 777 Series 170/70-16 rear to replace the old 150/80-16. This should be a no brainer swap for anyone want to widern their Iron 883 rear withouth ANY modifications. 

    It is harder to fit the tyre onto the rim, as it is wider than spec. After the swap, my bike becomes noticeably stable/steady on the road. And noticeably better looking (though not perfect). And I don't feel any difference on lean angle. 

    Due to the super thin rim (3"), the actual width of the new tyre is not really 170, I doubt it is even 160mm, however, it is noticeably wider, thats all that matter. 

    The clearance has no issue at all. The clearance is more than 5mm at least from the upper and lower belt fender. Nothing needs to be modified to fit in. Given this 5mm+gap, I would bet 180/65-16 fit in too. 

    The most important number I need to look at is the circumference difference between 150mm and 170mm. 170/70-16 is the closest on paper (almost perfect match), next closest is 180/65-16. No 160mm tyres are better than this. 
  • HOG63 Posts: 197
    Stock Poster HOG63
    23 Mar 2019 10:33 PM
    The michelin scorcher 31 tyre at 180/70,16 (~$300) will just fit (less than 1% speedo diff.), but will need to be cut off the rim when worn out. 
  • micathia Posts: 83
    Stock Poster micathia
    26 Mar 2019 02:42 PM
    Quoting HOG63 on 23 Mar 2019 10:33 PMedited: 23 Mar 2019 10:35 PM
    The michelin scorcher 31 tyre at 180/70,16 (~$300) will just fit (less than 1% speedo diff.), but will need to be cut off the rim when worn out. 
    Actually, according to here"
    https://www.tacomaworld.com/tirecalc?tires=150-80r16-180-65r16

    180/65-16 is a closer alternative, instead of 180/70-16. 


  • HOG63 Posts: 197
    Stock Poster HOG63
    26 Mar 2019 10:19 PM
    Quoting HOG63 on 23 Mar 2019 10:33 PMedited: 23 Mar 2019 10:35 PM
    The michelin scorcher 31 tyre at 180/70,16 (~$300) will just fit (less than 1% speedo diff.), but will need to be cut off the rim when worn out. 
    Quoting micathia on 26 Mar 2019 02:42 PM
    Actually, according to here"
    https://www.tacomaworld.com/tirecalc?tires=150-80r16-180-65r16

    180/65-16 is a closer alternative, instead of 180/70-16. 


    Even better!
  • JordanJames86 Posts: 2
    UK
    Stock Poster JordanJames86
    31 Dec 2019 09:15 PM
    Quoting micathia on 23 Mar 2019 06:07 PM
    Hi

    Just to come back and say thank you for all suggestions. Today I finally put on the Shinko 777 Series 170/70-16 rear to replace the old 150/80-16. This should be a no brainer swap for anyone want to widern their Iron 883 rear withouth ANY modifications. 

    It is harder to fit the tyre onto the rim, as it is wider than spec. After the swap, my bike becomes noticeably stable/steady on the road. And noticeably better looking (though not perfect). And I don't feel any difference on lean angle. 

    Due to the super thin rim (3"), the actual width of the new tyre is not really 170, I doubt it is even 160mm, however, it is noticeably wider, thats all that matter. 

    The clearance has no issue at all. The clearance is more than 5mm at least from the upper and lower belt fender. Nothing needs to be modified to fit in. Given this 5mm+gap, I would bet 180/65-16 fit in too. 

    The most important number I need to look at is the circumference difference between 150mm and 170mm. 170/70-16 is the closest on paper (almost perfect match), next closest is 180/65-16. No 160mm tyres are better than this. 
    Hi micathia 

    Just jumping in and im new to the Iron883 mod world. Have you gone any bigger like trying the 180/65-16? and have you gone bigger on the front, that's my biggest bug at the moment as so skinny. 

    Thanks 
  • micathia Posts: 83
    Stock Poster micathia
    31 Jan 2020 06:28 PM
    Quoting micathia on 23 Mar 2019 06:07 PM
    Hi

    Just to come back and say thank you for all suggestions. Today I finally put on the Shinko 777 Series 170/70-16 rear to replace the old 150/80-16. This should be a no brainer swap for anyone want to widern their Iron 883 rear withouth ANY modifications. 

    It is harder to fit the tyre onto the rim, as it is wider than spec. After the swap, my bike becomes noticeably stable/steady on the road. And noticeably better looking (though not perfect). And I don't feel any difference on lean angle. 

    Due to the super thin rim (3"), the actual width of the new tyre is not really 170, I doubt it is even 160mm, however, it is noticeably wider, thats all that matter. 

    The clearance has no issue at all. The clearance is more than 5mm at least from the upper and lower belt fender. Nothing needs to be modified to fit in. Given this 5mm+gap, I would bet 180/65-16 fit in too. 

    The most important number I need to look at is the circumference difference between 150mm and 170mm. 170/70-16 is the closest on paper (almost perfect match), next closest is 180/65-16. No 160mm tyres are better than this. 
    Quoting JordanJames86 on 31 Dec 2019 09:15 PM
    Hi micathia 

    Just jumping in and im new to the Iron883 mod world. Have you gone any bigger like trying the 180/65-16? and have you gone bigger on the front, that's my biggest bug at the moment as so skinny. 

    Thanks 
    Sorry to see your reply late. I came back to this thread to update some of my own findings. 

    In my previous post, I mentioned that I fit Shinko 170/70-16 into the stock 3" rim. The result was: 1) it look slightly bigger than stock, but the actual width is around 150+, not really true 170; 2) after having been riding for maybe 5000kms, the tyre started cracking along the mid line. Obviously it was squeezed by the narrow 3" rim hard. It might not be a problem for a while but for commuter, it will show the crack eventually. 

    Therefore I don't recommend putting 170/70-16 on 3" rim anymore. 

    Now I have put in a 2017 dyna fatbob's rear rim. It's 16x5" half solid black, 4kg heavier than stock 3". The mechanic who does it for me had to grind one of the spacer a little bit to fit. I still use 170/70-16 sinko 777. It is significantly wider than putting the same tyre on 3" rim. There is no squeezing effect anymore. No clearance issue at all. 

    I haven't put in a 180/65-16 yet, as 170 looks already big enough. Based on the clearance of 170, I guess if put a 180/65-16 in, both upper and lower belt guard have to be removed (belt itself wouldn't be an issue tho). Since I sometimes carry my wife for 2-up riding, removing belt guard is not an option for me. So I stick to 170 for now. 
  • JordanJames86 Posts: 2
    UK
    Stock Poster JordanJames86
    31 Jan 2020 06:39 PM
    Thank you that’s very helpful

    Have you done anything with the front wheel? 
  • micathia Posts: 83
    Stock Poster micathia
    31 Jan 2020 06:43 PM
    Quoting JordanJames86 on 31 Jan 2020 06:39 PM
    Thank you that’s very helpful

    Have you done anything with the front wheel? 
    No. Mine is Iron 883, I love its stock wheel. Some people tried 21" 72 wheel on it, but I don't like it. 

    There is a thread on hdforum.com, you can search for it. A guy put dyna fatbob front wheel on his sporty 48. It is much harder work than rear. 
  • Neale Posts: 432
    Richmond NSW
    Stage 1 Poster Neale
    21 Feb 2020 08:22 PM
    Quoting noctm on 21 Aug 2018 11:51 PM
    a shinko 170 rear will fit on your bike without any modification
    Quoting micathia on 27 Nov 2018 12:58 AM
    Hi, 

    Sorry for a late reply. Won't 170mm tyre scratch the belt fender? My 150mm tyre now does have some space, but it looks like longer than 1cm but shorter than 2cm (20mm). 


    many thx. 
    So wouldn’t a 170 mm tyre fit then?
    It’s 20 mm wider, which is 10mm each side.
    Yes?

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