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RT-S Rear Tire
- Thread starter rpopdan
- Start date
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
REAR TIRE QESTION
It's a lot better than the Crapenda OEM tire ....... However for about the same money ( and effort ) the General Altimax in 215/60-15 is waaaaaaaaaaaaaaaay better than the Kumho ...... Mike :thumbup:
AeroPilot
Member
Kumho Ecsta worked fine for us in 225/50R15 siz3
Have put 5 of the Kumhos on RTs from 2014 to 2015 and got good wear and performance from all of them. Currently have 33,500 miles on my 15 RT with 20,000 of that on the Kumho. We get between 12 and 13,000 miles out of the OEM Kendas then switch and get twice the mileage out of the Kumhos. YMMV
Just put a General Altimax on the wifes F3T and have another General ready to try on my RT when the Kumho wears out in around 5,000 more miles. Hope that the mileage matches the Kumhos. The Altimax in 215/60R15 is a little taller, so the Speedo is now within 1 mph of the GPS, compared to 2 mph off on the Kumho at 65 mph.
Have put 5 of the Kumhos on RTs from 2014 to 2015 and got good wear and performance from all of them. Currently have 33,500 miles on my 15 RT with 20,000 of that on the Kumho. We get between 12 and 13,000 miles out of the OEM Kendas then switch and get twice the mileage out of the Kumhos. YMMV
Just put a General Altimax on the wifes F3T and have another General ready to try on my RT when the Kumho wears out in around 5,000 more miles. Hope that the mileage matches the Kumhos. The Altimax in 215/60R15 is a little taller, so the Speedo is now within 1 mph of the GPS, compared to 2 mph off on the Kumho at 65 mph.
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blacklightning
Well-known member
I had the Kumho on my 2014 RT, and I loved it. I got it mainly because of the price, and the fact that it had the OEM size. But now I would not second guess going with another one, as the first served me well:thumbup:.
Mike
Think I will go with the General. We ride 2 up all the time. What pressure would be your choice for this rear tire.
Thanks
Unless you are loading the rear tire up a lot more than Spyders can safely carry, then you are going to be pretty much on the right pressure running 18 psi, +/- 1 or at most 2 psi to suit your particular load & ryding style/needs! :thumbup:
Chupaca
New member
For sure...
Being the first and most used car tire at the start many were happy. Now there are so many to choose from it has fallen to the wayside...:shocked: still to many the best substiture so you can't go wrong. Hope they all fill you in on all the choices but it does become hard to pick....:dontknow:
Being the first and most used car tire at the start many were happy. Now there are so many to choose from it has fallen to the wayside...:shocked: still to many the best substiture so you can't go wrong. Hope they all fill you in on all the choices but it does become hard to pick....:dontknow:
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
REAR TIRE PSI
:agree: with Peter 100% ...... He is the only other person on this forum who has the qualifications to give accurate info on the tire subject ...... you could try 17psi ..... the sidewalls of the Altimax will support any weight you can put on your Spyder ...... Mike :thumbup:
Just bought a new tire............
Had to go with BK911, Peter and Spyder Ann. I just bought a General Altimax 215/60R15 and will install it next week. I pushed my Crappy Kinda to just about 7K and then installed a Kumho. I've gotten just about 20K on the Kumho with around 28 psi. I'll take the advice from BK911 and try 18 psi. on the Altimax, but that's quite some drop in air pressure. I put Federal Formoza on the front and I'm running 17 psi. and they seem to work ok.
Had to go with BK911, Peter and Spyder Ann. I just bought a General Altimax 215/60R15 and will install it next week. I pushed my Crappy Kinda to just about 7K and then installed a Kumho. I've gotten just about 20K on the Kumho with around 28 psi. I'll take the advice from BK911 and try 18 psi. on the Altimax, but that's quite some drop in air pressure. I put Federal Formoza on the front and I'm running 17 psi. and they seem to work ok.
I have been running A Kumho for 6 months on my 2015 RT SM6 and have about 14,000 miles on it. Looks like it will go another 3,000. I am running 23psi now and wear is pretty even from center to edges. Last year I lowered the pressure to 18psi and started getting an orange screen, which would usually clear in 20 miles or so. The code was P0005, nothing. Above 20psi, no codes.Mostly 2 up riding and our road surfaces in AZ are hard on tires.
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
TIRE - PSI
:yikes: ..., ORANGE screen .... I accidently ran my Hydro-Edge ( rear tire ) as low as 8psi for about 15 miles and I didn't have any CODES or the orange screen ......... I think your screen was for something else ...... and the Altimax will give you the best all-around performance at 17-18 psi....that tire can hold up 1500lbs ..... the Spyder only weighs 500lbs on that rear tire position..... I run My Michelin at 17psi in the Twisties at speeds that cause the Nanny to show the VSS code and it's never gotten " squirrelly " because of the tire pressure .... and if you are riding around on really HOT surfaces that PSI will increase because of it ........ just sayin .... Mike :thumbup:
P0005
I have no clue what code P0005 is and I don't Know anyone else who's gotten that code. At 28 psi. on my Kumho the wear pattern was pretty consistent all the way across the tread. Possibly a touch more in the center but nothing that interfered with performance. If anyone out there knows what P0005 code means on a spyder, please let us know.
I have no clue what code P0005 is and I don't Know anyone else who's gotten that code. At 28 psi. on my Kumho the wear pattern was pretty consistent all the way across the tread. Possibly a touch more in the center but nothing that interfered with performance. If anyone out there knows what P0005 code means on a spyder, please let us know.
Highwayman2013
New member
Not a valid code.
BLUEKNIGHT911
Sadly Passed Oct 2024 - RIP
WELLLLLLL NOW THAT YOU MENTION IT
2dogs .... the Kumho will ride flat at almost any psi ....it's a car tire with much stronger sidewalls .... The real difference is how much WET - DRY traction it will provide !!!!! ......... Yes I recommend the Altimax for a lot of reasons, but even the Kumho will perform better with a psi of 18lbs.,.......try it you, the Spyder won't suffer, and you won't get hurt..... I promise .......... Think of the tire as part of the over-all suspension on the bike ( because it is )..... If the tire can flex it is going to ride smoother / softer, this is part of the Science and is a Fact not a Feeling.....I generally ride on the upper edge , bordering on HYPER in the Twisties ....and I have never felt out of control because my rear tire is at 17psi..... Enjoy ..... Mike :thumbup:
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Buckeye Chuck 54
New member
I agree!
I tried the Kumho Solus and was marginally happy with it. It lasted about 16,000 miles but like the Kenda, it wore in the middle.
But that was before I knew 28 psi was what cars use. Then I tried the General 215-60-15 and ran it at 20 psi. Mike is right on
about this tire, it's waaaaaay better. I ride a lot and buy them 2 at a time so I always have a spare.
My first Altimax lasted over 26,000 miles, it still had tread left but it was changed when the belt finally kicked off.
Chuck
I tried the Kumho Solus and was marginally happy with it. It lasted about 16,000 miles but like the Kenda, it wore in the middle.
But that was before I knew 28 psi was what cars use. Then I tried the General 215-60-15 and ran it at 20 psi. Mike is right on
about this tire, it's waaaaaay better. I ride a lot and buy them 2 at a time so I always have a spare.
My first Altimax lasted over 26,000 miles, it still had tread left but it was changed when the belt finally kicked off.
Chuck
KX5062
Active member
It seems to me that a lot of the tire wear/life stories are very dependent on where you ride. The stories (which I accept as true) about the lifespan of the Altimax do not match my experiences with that tire. I believe this is due to where you ride. I live in the Western US and ride mostly through the deserts where it is a combination of high heat and lots of rough edged rock chip seal roads. I've seen how those conditions have eaten tires. To wit: On one trip through Death Valley one of the roads just outside of the monument is super rough rock chip seal, so rough that when I stopped to check a map (yes, I still use a paper map as a back up) I saw the tires had small pieces of rubber on the tread, like racing tires. At the end of the day the tires was visibly worn compared to the start of the day. (IIRC, that was the Kumho rear)
Anyway, the thing I've noticed in 65K miles in 2 different Spyders is that many of the recommended tires, front and rear, may perform well, but just don't wear as well many riders elsewhere in the world experience. So, for me, I switched to a hard compound rear, the Cooper CS5 Touring, and so far it has performed and worn excellently. I am over the moon happy with this tire compared to others. (I do my own work and hate changing the rear tire.) The only condition I haven't used this tire in is snow/ice, but under all other conditions and in about 15k miles so far, it works the best I've seen. And, to boot, it's made in the USA and is under $100. Win-win in my book.
Anyway, the thing I've noticed in 65K miles in 2 different Spyders is that many of the recommended tires, front and rear, may perform well, but just don't wear as well many riders elsewhere in the world experience. So, for me, I switched to a hard compound rear, the Cooper CS5 Touring, and so far it has performed and worn excellently. I am over the moon happy with this tire compared to others. (I do my own work and hate changing the rear tire.) The only condition I haven't used this tire in is snow/ice, but under all other conditions and in about 15k miles so far, it works the best I've seen. And, to boot, it's made in the USA and is under $100. Win-win in my book.
Highwayman2013
New member
I was deciding between the Cooper and the Altimax when my rear tire was worn out. I thought they would both perform well, but went with the General. I see no problems with the Altimax wearing excessively after 8,000 miles, haven't ridden in the heat yet but that is coming.
Deanna777
Well-known member
I am also running the General Altimax RT43 ( Size: 215/R6015). I have 16,176 miles on the General.
Deanna
Lew L
Well-known member
Deanna777
Well-known member
Lew, I installed the Altimax on 6/20/2015. I still have a lot of tire tread left.
Deanna
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