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Tyre thread #16 - CBF 125 this time!

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Snop Doog
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PostPosted: 22:06 - 11 Nov 2015    Post subject: Tyre thread #16 - CBF 125 this time! Reply with quote

As the wet weather's incoming and my rear tyre is becoming a square, something tells me it's time for new rubber.

Stock tyre size is 100/90 - 17 - I refuse to use the ContiGo in the winter as it's served me well during dry days, but when it rains it feels dangerous. Too bad it's so cheap compared to want I want to move on to.

I'd like to try out the Avon Roadrider over the Bridgestone BT45 based on what I've read on the interwebs. I'd like to be sensible and buy the 100/80-17 version, but the part of me that looks at my current tyre everyday and compares it to a bicycle's tyre is telling me to get the 120/80-17. That's when the increased costs & change in handling comes into play.

Also, I'm deciding whether I'd be better off riding all the way to the netherworld Central London to get the tyre done at a place called FWR which was recommended to me by a friend, or to order it online (tyreleader's prices & free shipping look appealing), put it around my waist and ride 5 minutes to my local bike shop... Depending on their fitting/balancing prices it could work out cheaper, but their facility doesn't look as professional, I've only used them for my MOT.

Advice would be greatly appreciated, thanks in advance Thumbs Up
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evoboy
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PostPosted: 22:35 - 11 Nov 2015    Post subject: Reply with quote

A 120 will be far too wide for that rim and give you less grip/contact patch compared to the stock size.

A 100/80 would be a good alternative and would give you more options than just the Conti's. ( Although Avon have just brought out their new Streetrunner tyre in the stock 100/90 size. Uses the same tread pattern as the 3d Sport tyre they do.)

Sava/Mitas do the MC25 tyre in 100/80 that would work well for everyday use. It was developed as a 'race wet' but uses a more mileage friendly compound for road use.

Or the Michelin Pilot Street would be another good option in the 100/80 size.
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Snop Doog
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PostPosted: 22:52 - 11 Nov 2015    Post subject: Reply with quote

MrGs1 wrote:
Avoid road riders if possible they are OK in the dry and dangerous in anything but also take an age to wear out. Conti go's are excellent in comparison.

Note this is real world experience not arm chair expert ramblings I've got one Avon rider fitted on my FZS 600.


Damn, and there I was thinking they're the way to go. Thanks

evoboy wrote:
A 120 will be far too wide for that rim and give you less grip/contact patch compared to the stock size.

A 100/80 would be a good alternative and would give you more options than just the Conti's. ( Although Avon have just brought out their new Streetrunner tyre in the stock 100/90 size. Uses the same tread pattern as the 3d Sport tyre they do.)

Sava/Mitas do the MC25 tyre in 100/80 that would work well for everyday use. It was developed as a 'race wet' but uses a more mileage friendly compound for road use.

Or the Michelin Pilot Street would be another good option in the 100/80 size.


I've seen a 120 on the stock rim on the interwebs, it's a popular mod in the Indian market it seems. I'll check out the MC25 and the MPS range too Smile Thanks
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kramdra
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PostPosted: 00:02 - 12 Nov 2015    Post subject: Reply with quote

I cant help with those sizes, but recommend you dont swap sizes, and also learn how to do it yourself, as its easy. Id go for the pilot street.

Your rim is likely 2.5", and 120/80/17 is not recommended, so do some research..
https://www.tanshanomi.com/project-x/Motorcycle_Rim-to-Tire_Chart.jpg

However Id recommend people buy 125's that take proper size modern tires, like these.. I have a set on my 250RR and on my chinky 125.. and a couple spares Thumbs Up
www.ebay.co.uk/itm/221927075275
www.ebay.co.uk/itm/371467408469

A-20 Havoc wrote:
I've seen a 120 on the stock rim on the interwebs, it's a popular mod in the Indian market it seems. I'll check out the MC25 and the MPS range too Smile Thanks


Indians also like to dance on top of trains, pillion 5 up and shit in the street.... Doesn't make it a good idea...
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Snop Doog
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PostPosted: 08:48 - 12 Nov 2015    Post subject: Reply with quote

kramdra wrote:
I cant help with those sizes, but recommend you dont swap sizes, and also learn how to do it yourself, as its easy. Id go for the pilot street.

Your rim is likely 2.5", and 120/80/17 is not recommended, so do some research..
https://www.tanshanomi.com/project-x/Motorcycle_Rim-to-Tire_Chart.jpg

However Id recommend people buy 125's that take proper size modern tires, like these.. I have a set on my 250RR and on my chinky 125.. and a couple spares Thumbs Up
www.ebay.co.uk/itm/221927075275
www.ebay.co.uk/itm/371467408469

A-20 Havoc wrote:
I've seen a 120 on the stock rim on the interwebs, it's a popular mod in the Indian market it seems. I'll check out the MC25 and the MPS range too Smile Thanks


Indians also like to dance on top of trains, pillion 5 up and shit in the street.... Doesn't make it a good idea...


Hehe thanks for that.

So I found that the CBF's rear wheel has a rim width of 2.15 inches... The standard tyre size according to that chart for that rim width is 90/90... I guess the CBF was a strange exception as it's got the 100/90?

Yeah I think I'll go for the pilot streets too. My front tyre has a couple mm's of tread left but it looks like I'll have to look into changing it too as I don't fancy mixing the ContiGo's with the pilot streets.

Thanks again Thumbs Up

Edit: Oh yeah, stock tyre sizes aren't available in any other brand but ContiGo for the front... What do?

Edit #2: 90/80 - 17's are available for the front in the pilot streets... Should work according to a CBF blog but again... Changing tyre sizes...

https://i.gyazo.com/5b8d3912fc01356eacf0c9052a15774d.png
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trevor saxe-coburg-gotha
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PostPosted: 09:42 - 12 Nov 2015    Post subject: Reply with quote

MrGs1 wrote:
Avoid road riders if possible they are OK in the dry and dangerous in anything but also take an age to wear out. Conti go's are excellent in comparison.

Note this is real world experience not arm chair expert ramblings I've got one Avon rider fitted on my FZS 600.


AGREE. Road riders are terrible - except regarding one criterion - longevity. Can't kill 'em. But they can kill you. ; - ) . Compound's so hard they never wear out - problem is they consequently never warm up and lack all kinds of pliancy.

I got some Metzlers on my cb125. Not sure which - can check if needs be. They are excellent in wet and dry.
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Snop Doog
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PostPosted: 10:01 - 12 Nov 2015    Post subject: Reply with quote

trevor saxe-coburg-gotha wrote:
MrGs1 wrote:
Avoid road riders if possible they are OK in the dry and dangerous in anything but also take an age to wear out. Conti go's are excellent in comparison.

Note this is real world experience not arm chair expert ramblings I've got one Avon rider fitted on my FZS 600.


AGREE. Road riders are terrible - except regarding one criterion - longevity. Can't kill 'em. But they can kill you. ; - ) . Compound's so hard they never wear out - problem is they consequently never warm up and lack all kinds of pliancy.

I got some Metzlers on my cb125. Not sure which - can check if needs be. They are excellent in wet and dry.


Hmm... Well, the Avon's are totally out of the equation. I'm pretty much set on the Michelins, I just need help with the sizes now as this bike is weird.
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