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Rear Kenda OEM Tire Mileage Concern.

BLUEKNIGHT911 said:
:roflblack::roflblack::roflblack: Thanks Mikey :clap: ... as a trained accident investigator I learned a lot about tires, I love Spyders and the folks who drive them .... I try and keep abreast of what's available in the tire world and recommend tires I feel are superior ( especially in the Wet ) .... The Q-5 Was a great tire, but Vredestein has re-placed it with an up-dated model the " QUATRAC " ( without the "5" ). It's new so real world testing is sparse at this time .... considering Vredestein's excellent record for producing out-standing tires I fully expect this to also be one of the great ones ...... (How'd I do Peter :roflblack: ) ...... Mike :thumbup:
Click to expand...

When I need one next time it will be that or the Ultamax for sure!!!!
 
I just got a new Altimax to replace the factory Kenda (at 7,300 miles) on the rear of my 2020 RTL. From the inside it appears to have a reinforcing belt down the center of the tire; I hope this will prevent the donut wear effect that my kenda had. The kenda's seem like crummy tires; I put 16" Federal AZ01's on the front last winter and don't regret it.
 
spyderdave said:
I just got a new Altimax to replace the factory Kenda (at 7,300 miles) on the rear of my 2020 RTL. From the inside it appears to have a reinforcing belt down the center of the tire; I hope this will prevent the donut wear effect that my kenda had. The kenda's seem like crummy tires; I put 16" Federal AZ01's on the front last winter and don't regret it.
Click to expand...

What PSI are you running?
 
spyderdave said:
I just got a new Altimax to replace the factory Kenda (at 7,300 miles) on the rear of my 2020 RTL. From the inside it appears to have a reinforcing belt down the center of the tire; I hope this will prevent the donut wear effect that my kenda had. The kenda's seem like crummy tires; I put 16" Federal AZ01's on the front last winter and don't regret it.
Click to expand...

The Altimax has/says when to replace the tire, it is built into the tire( in the center of the tire).

Deanna
 
Deanna777 said:
The Altimax has/says when to replace the tire, it is built into the tire( in the center of the tire).

Deanna
Click to expand...

Yes it does have this feature - However, this appears long before the WEAR reaches the LEGAL WEAR point. I have them on the front on my 14 RT ( I don't advise you try them on the front, the brackets will need shimming to get them to fit ) ...... and have put another 3000 + mi. on them AFTER the warning appeared ...I now have 37,700mi. total on them .... good luck .... Mike :thumbup:
 
Thanks, Blueknight; 18 it is.

When I put the 16" AZ01's on the front, I used an online tire calculator to ascertain whether the circumference and rpm was close to the factory "Krapendas". The same calculator show a significant difference between the factory rear and the Altimax; any insight as to affects in speedometer error and/or traction contol on the new rear tire (AKA "the Nanny's" algorithms)? Thanks in advance.
 
spyderdave said:
....... any insight as to affects in speedometer error and/or traction contol (AKA "the Nanny's" algorithms)? Thanks in advance.
Click to expand...

Running the OE Kendas will mean that your speedo was reading anything up to 10% FASTER than your real/true speed (ie, you only thought you were doing 50mph when the speedo showed that, you were really only doing something closer to 45mph! :p ) so by putting on a tire that's a little larger the speedo is going to be reading something closer to your real/true speed - most like that. ;)

As for the Nanny, she's not going to be all that upset by running a slightly larger tire, she has to be able to safely manage things even if you have a completely flat tire ( maybe 3"+ smaller in dia) or a massively over-inflated tire (maybe as much as 1.5-2" larger in dia) anyway - so unless the tire you're running now has a rolling radius that's something over about 3/4"/20mm larger than that of the OE Tire, then it's very unlikely you'll notice any change. Btw, most who DO notice any change at all feel that it's a change for the better! :ohyea:

So now that you've got real & stronger tires than the OE Kendas and you're running them at the right sort of pressure for the (lighter) load than they'd usually be carrying in order to need 28 psi in them, you're all set! Now you can get out there &....

Ryde More, & Worry Less! :yes:
 
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spyderdave said:
Thanks, Blueknight; 18 it is.

When I put the 16" AZ01's on the front, I used an online tire calculator to ascertain whether the circumference and rpm was close to the factory "Krapendas". The same calculator show a significant difference between the factory rear and the Altimax; any insight as to affects in speedometer error and/or traction contol on the new rear tire (AKA "the Nanny's" algorithms)? Thanks in advance.
Click to expand...

:agree: with what Peter told you ..... Those " tire calculators " are based on Mathematical formulas .... Actual tire measurements are often quite different. .... the manufacture's of the tire will have the exact measurements ...... use those ..... Mike :thumbup:
 
Navydad said:
I imagine Kenda is the only company willing to invest in manufacturing a tire that has such low volume sales... .
Click to expand...

They wouldn't have this low-volume problem if they went with slightly different tire sizes all around, using more widely-used tire profiles. Most of the recommended non-OEM replacements are readily available.

It's BRP's stubborn refusal to let their dealers mount non-OEM tires that pisses everyone off. They're awfully tone-deaf as to how much of an issue this is to the owners.
 
Fat Baxter said:
It's BRP's stubborn refusal to let their dealers mount non-OEM tires that pisses everyone off. They're awfully tone-deaf as to how much of an issue this is to the owners.
Click to expand...
It's not BRP, it's Federal Regulations. Every tire mounted on a vehicle must have a suitable use designation showing what type of vehicles the manufacturer of the tire has designed the tire for. No manufacturer other than Kenda and Vee Rubber, AFIK, has tested and certified their tire to be suitable for use on a Spyder, or for that matter, a Slingshot. That's why you see designations like LT for light truck, P for passenger cars, "Trailer Use Only", "Lowboy Use Only", "Motorcycle Use Only", "Mobile Home Use Only", "Not for Highway Use", and now for Kendas, "Special Motorcycle Use Only". We are fortunate that so many regular tire dealers are willing to ignore the regs and mount car tires for our Spyders.

You really don't expect BRP to condone dealers flaunting Federal Regs when there is a totally compliant option available, do you?

Unless BRP has put themselves into a corner with their contract with Kenda, what we really want them to do is convince makers of car tires (at least 1 or 2 of them) to do the necessary testing to demonstrate that the car tires they manufacture are perfectly suitable for Spyders. But, for all we know, manufacturers may already have engineering analysis and test results that indicate to them that in fact car tires are not ideal Spyder tires. Vee Rubber states they have designed the Arachnid specifically for the Spyder. Users on this forum have stated they are no better than the Kendas. That indicates to me that the tire characteristics BRP has specified for the Spyders doesn't fit into the design parameters for car tires. It would be interesting to know what characteristics of a typical car tire don't fit within the parameters BRP has specified for Spyder tires. Users here sure haven't identified any from thousands of miles of use.

The Federal Regulations were written to help prevent unscrupulous manufacturers from selling tires to consumers that are not safe for the consumers' vehicles. The problem with tire regulations, as with all Fed regs, is how to write them as blanket requirements while still allowing reasonable and safe exceptions. And before you say we need to get rid of the Federal Regs altogether keep in mind history shows by and large corporations, given the choice, always put consumer welfare behind profits. The regs wouldn't be needed if greed didn't exist.
 
The Spyder Tire

:agree: But Wow. .....:banghead:

Hello Peter Aawen please give me your thoughts.

I will wait for your reply. .....:chat:

Have a Blessed Day Everyone. .......:thumbup:
 
Wmoater said:
That’s a GREAT find figuring they have been discontinued! NICE!
Click to expand...

I always keep a new tire in on hand so I used it up.
Go with the newest version Vredestein " QUATRAC " ( without the "5" ).
Q-5 Was a great tire, but Vredestein has re-placed it with an up-dated tire the " QUATRAC " ( without the "5" ). Check it out!
 
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