Mike...
I hope you realize that you just compared your brain; to his butt! :yikes:
Good luck with THAT! :roflblack:
:joke::joke:
Based on some of the comments that I've read, I can see one drawing that comparison.
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Confused About Rear Car Tires Options
- Thread starter MikeT
- Start date
Based on some of the comments that I've read, I can see one drawing that comparison.
remark2013
New member
:clap::clap::clap:
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
TIRE RISE
This is how this works on ALL vehicle tires. The air temp inside the tire rises as you drive down the road.... This causes the air to expand which INCREASES the pressure.... That's why the recommended pressure me & Peter give ( lower psi ) account for this fact. When I say 18 psi, I know it's going to go up approx.3 psi and that's now 21 psi......... Mike :thumbup:
Since you just mounted a Kenda on the rear, are you wanting to stick with OEM Kenda front tires????? If you google the tire size, you'll see what's available in the 165/55/R15 size. The tire that gets mentioned a lot, and probablt fits your "good price" is the Federal Formosa AZ01. It comes in both the 165 and 175 sizes.
Mike
Let me start by saying that I am NO tire expert. I'll just pass along what has been passed on to me. For a single rear tire application the asymmetric tires sould be avoided because they shed water unevenly. Most new gen tires are being made that way for automotive applications where there's a right and left sided tire. The tires have a designated side and direction. Could they work on the front, or on the rear of a conventional trike???????
Some food for thought.
Mike
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
ASYMMETRICAL
IMHO , I wouldn't be as concerned with this as I would be with a number of other issues with tires and Air pressures folks here are using ....... and I can't think of any tires that we use ( on rear ) that are ASYMMETRICAL ...... if you do please tell us which one/s you are referring to .... Mike :thumbup:
The newest tires by Cooper Tires(CS5s) are asymmetrical in design. The CS3s and CS4s are directional and symmetrical in design.
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
ASYMMETRICAL
............... I JUST LOOKED AT THAT TIRE , although it looks asymmetrical it doesn't say this in the description .... Plus after about an hour of research , the asymmetrical benefit would be valid if the tire is on the FRONT of the Spyder..... If it's on the REAR - it's in the middle and not subject to BODY ROLL ...... so the asymmetrical benefit is not even measurable and there is NO BAD things about having only one on the rear ............ But if it upsets you .... don't use it ..... Mike :thumbup:
............... I JUST LOOKED AT THAT TIRE , although it looks asymmetrical it doesn't say this in the description .... Plus after about an hour of research , the asymmetrical benefit would be valid if the tire is on the FRONT of the Spyder..... If it's on the REAR - it's in the middle and not subject to BODY ROLL ...... so the asymmetrical benefit is not even measurable and there is NO BAD things about having only one on the rear ............ But if it upsets you .... don't use it ..... Mike :thumbup:
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BoilerAnimal
New member
http://us.coopertire.com/Tires/Passenger/CS5-Ultra-Touring.aspx
Under "Features and benefits", the third bullet says that they are asymmetrical. Goes for both CS5 tires. I was going to put one on my Spyder and the tire dealer advised against it.
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
TIRE DEALER !!!!!!
" Tire Dealer " !!!, I'll bet almost all TIRE DEALERS will tell you not to put a CAR tire on a MOTORCYCLE ..... if you go to Discount Tire, to buy a tire and tell them you are putting ANY of their tires on your Spyder :gaah:..... THEY WON'T SELL YOU A TIRE !!!!!!!!! ........... as I stated earlier " if it upsets you , don't use it " ...... Mike :thumbup: Now I'm curious about the Asymmetrical tire thing.... there are three types of tread - directional - symmetrical and asymmetrical ..... Why exactly are you concerned about using an asymmetrical tread on the REAR of a Spyder ?..... What do you think will occur differently from the other TWO ? .... I think a lot of folks here would like to know ... Mike :dontknow:
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BoilerAnimal
New member
http://barrystiretech.com/directionalandasymmetricaltires.html
After doing some reading I don't think there would be any problems using an asymmetrical tire. The dealer I took it to didn't have any problems with mounting it on my rim. He asked what it was for and I told him. I showed him one of the tire threads on here and he said OK. He couldn't spin balance it though so I took it to a motorcycle shop to have that done. I was running about 21 PSI on it before it had to go in the shop. When I get it back, I'll try 18.
After doing some reading I don't think there would be any problems using an asymmetrical tire. The dealer I took it to didn't have any problems with mounting it on my rim. He asked what it was for and I told him. I showed him one of the tire threads on here and he said OK. He couldn't spin balance it though so I took it to a motorcycle shop to have that done. I was running about 21 PSI on it before it had to go in the shop. When I get it back, I'll try 18.
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
ASYMMETRICAL TIRE
:gaah:.... in your post # 50 quote " the tire dealer advised against it " ? ? ? ... BUT HE had no issue with mounting it :yikes::yikes: ............... soooooooooooooo did you discover that asymmetrical tread means little or nothing as far as one rear tire on the Spyder goes ????? ..... this matters because ....." GaryTheBadger " is putting this tire on His RT ................... Mike :thumbup:
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BoilerAnimal
New member
He wouldn't mount it is what I should have said. He advised against me having it done elsewhere. He had no problem with a car tire. He said the tire that was on it was just a car tire but a poor one. I ended up with a Yokohama. I put about 2200 miles on it so far and love it!
Added: see post 16.
Added: see post 16.
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Conventional motorcycle tires generally aren't asymmetrical simply because the 2 wheeled motorcycle they are most often fitted to needs to corner both ways & therefore needs both sides of the (rounded) tire to perform much the same way or you'll get handling behaviour differences depending upon which way you lean.... and many tire dealers simply can't get beyond that idea!! But to put it bluntly, that's simply not the case with our Spyders & the car tires they run because they DON'T lean to steer, especially if you are talking about a tire fitted to the rear!! The traction & 'thrust' provided by our rear (drive) tire has been designed specifically to apply along the long axis of the Spyder, straight between the two front (steer) wheels, so running asymmetrical tires will have an extremely tiny impact (if ANY at all!) on how our Spyders behave! 
In fact, probably the most significant impact they might have is likely to be an IMPROVED level of traction & therefore thrust available across a wider range of road surfaces & weather conditions due to the multi-condition/surface design of the asymmetrical tire!! They have tread sections that have been designed to provide higher levels of traction in each of wet or dry conditions - nb, that's higher levels of traction than you'll ever get from a tread designed as a compromise that'll work sorta OK in all conditions or even one designed to work best in just one condition. You could probably get better traction in the wet by fitting a specially designed wet weather performance tire, but it'll probably suffer in the dry; you could probably get better traction in the dry by fitting a specially designed dry weather performance tire, but it'll very likely be crap in the wet; OR if you want something better than the usual compromise 'all weather tires' that are available, you could fit an asymmetric tire that has tread sections which have been designed to work at least as well as BOTH those specialist tires in their respective conditions!! :2thumbs:
Bear in mind that just about ALL car tires have some degree of performance bias designed into them anyway, ie, they are often 'Sport/Touring tires that excel in the wet' or 'Ultra Performance tires with un-paralleled dry weather traction', so fitting asymmetric tires is just taking that a step further! And because our Spyders have been very carefully designed to deliver thrust from the driving rear tire thru the centre-line of the front (steer) wheels, anything that improves drive wheel traction under any or all weather conditions is likely to improve overall performance!! You just hafta try to ensure you are running any tire at an appropriate pressure to let the said tire support the load AND STILL achieve the necessary temperature increase (& therefore pressure increase) to allow its tread to reach its optimum operating temps & traction, but without going so low in pressure that it adversely impacts handling or increases the temperature too much! :lecturef_smilie:
So why should you hesitate to select a performance tire that suits your driving needs, regardless of it being symmetrical or asymmetrical? :dontknow:
In fact, probably the most significant impact they might have is likely to be an IMPROVED level of traction & therefore thrust available across a wider range of road surfaces & weather conditions due to the multi-condition/surface design of the asymmetrical tire!! They have tread sections that have been designed to provide higher levels of traction in each of wet or dry conditions - nb, that's higher levels of traction than you'll ever get from a tread designed as a compromise that'll work sorta OK in all conditions or even one designed to work best in just one condition. You could probably get better traction in the wet by fitting a specially designed wet weather performance tire, but it'll probably suffer in the dry; you could probably get better traction in the dry by fitting a specially designed dry weather performance tire, but it'll very likely be crap in the wet; OR if you want something better than the usual compromise 'all weather tires' that are available, you could fit an asymmetric tire that has tread sections which have been designed to work at least as well as BOTH those specialist tires in their respective conditions!! :2thumbs:
Bear in mind that just about ALL car tires have some degree of performance bias designed into them anyway, ie, they are often 'Sport/Touring tires that excel in the wet' or 'Ultra Performance tires with un-paralleled dry weather traction', so fitting asymmetric tires is just taking that a step further! And because our Spyders have been very carefully designed to deliver thrust from the driving rear tire thru the centre-line of the front (steer) wheels, anything that improves drive wheel traction under any or all weather conditions is likely to improve overall performance!! You just hafta try to ensure you are running any tire at an appropriate pressure to let the said tire support the load AND STILL achieve the necessary temperature increase (& therefore pressure increase) to allow its tread to reach its optimum operating temps & traction, but without going so low in pressure that it adversely impacts handling or increases the temperature too much! :lecturef_smilie:
So why should you hesitate to select a performance tire that suits your driving needs, regardless of it being symmetrical or asymmetrical? :dontknow:
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BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
RUN FLATS
I did some research on this awhile back and tire sizes were an issue ...... plus from what I learned I wouldn't get them no matter the sizing issue...... Mike :thumbup:
GaryTheBadger
New member
Is anyone using the Vee Rubber VTR-350 Arachnid tire? It's marketed as specifically designed for the Spyder. I am most interested in mileage and a symmetrical design across the tire. No rain use.
https://www.bikebandit.com/tires-tu...MIjdqHzcjV2QIVCnd-Ch3G6Q2TEAYYASABEgK5BvD_BwE
https://www.bikebandit.com/tires-tu...MIjdqHzcjV2QIVCnd-Ch3G6Q2TEAYYASABEgK5BvD_BwE
GaryTheBadger
New member
NEVERMIND...I found some posts about this tire from years ago. It's still available, but apparently no better then OEM Kenda.
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