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Discussion Starter #1
Have a couple of questions regarding tires for the twins... I have a '14 Thruxton with stock Metzelers. Not great, not bad... In the future I would like to swap them for a performance tire. In most of the reviews and discussion of touring type tires, the general push seems to be toward longevity and wet weather performance with overall handling/cornering being somewhat secondary. Q #1 what are some of the best performance tires, if longevity and wet weather performance are not significant issues? I'm looking for a tire that can possibly handle some fun on the track and be pretty sticky on the street. Wet weather is not an issue, and longevity doesn't matter as much either. I'm used to sportbike tires, so 5000+ miles on a tire is like Heaven on Earth!

Q#2 is the whole radial/bias ply thing. I'm a little confused. In various threads it is suggested that running radial tires on spoked/tube required wheels is downright dangerous, but yet, the bike comes stock with a radial rear. Any thoughts on this subject would be great! Thanks!:D
 

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'fraid I don't have anything to offer for question #1.

Q2. you are mixing up two different attributes.
Tyre construction can be bias ply, bias belted, or radial.
In the tyre spec on the sidewall this designated '-' bias ply, 'B' bias belted, 'R' radial. eg. 150/70R17 is radial.
Tyre can also be TT (tube type) or TL (tubeless). This is independent of construction.

So there's nothing wrong with a radial TT tyre. It gets more complicated when you want to fit a TL tyre to a rim that requires a tube. This is where you fit a tube into a TL (tubeless) tyre. I don't see anything wrong with that, but I have heard said that this arrangement results in the tyre running hotter and have seen advice to run this combination at a speed rating one lower than stated on the sidewall. You could also run a TT tyre (with tube obv.) on a rim made for TL, I wouldn't want to do that as you lose the advantage of running with tubeless tyre on a rim that could take a tubeless tyre.
 

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I am running metzler tourances on my scram with tubes even though they are radial TL tires. No issues. That being said, I'm not entirely sure how a more "performance" based tire will respond compared with touring/dual sport tires. This seems to be a common concern...

http://www.revzilla.com/common-tread/why-things-are-bias-ply-and-radial-tires

http://www.triumphrat.net/twins-technical-talk/457354-bias-ply-rear-radial-front.html

http://www.triumphrat.net/twins-technical-talk/521017-radial-or-bias.html

http://www.triumphrat.net/twins-talk/173373-mixed-bias-and-radial-ply-tires-replacement.html

There are like a thousand more, but I thought these were the interesting ones. Interesting Revzilla article too...
 

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There not too much choice with the stock size wheels unless there is something new this year?
Otherwise you gotta go to a wide 17 x 5.5 or 17 x 4.25 rear then you change the front to a 17 x 3.5 , any tire you like from that point! Works out great once you have made the switch!
Cheers

Adrian
 

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Discussion Starter #6
Thanks guys,

The TT vs TL description clears up a lot. I didn't realize there we those distinctions. Coming off the SB thing, everything was TL.

I did read about the Sport Demons, and they seem to be a good choice.

Not sure about changing wheel sizes just yet... maybe in a few miles!!
 
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