Tire life SP/TD/SC

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Chicken Hawk warmers, luckily they are literally 1.5 miles from my house and dropped them off for repair. The plug works but have to wiggle to get a constant connection. Luckily I noticed it was off before I went out....I would've been one of those dudes that duffed it in T1 Lap 1!

Agree on the rubber and getting a feel for them. Overall I like the TD's, def a step from the SP V2s. Talking to some of the instructors at NYST and they said they get serious life out of SC2 DOTs there since the pavement is so smooth. Easily 4 sessions on a rear. Might be my go to tire since that is my home track.

With all the track riding this summer it basically eliminates my desire to be on the street...at least with the R! Now if my wife would only not realize the difference between a 2008 CRF230L to a 2019 CRF250L in the garage I would still street ride a bit : )
 
Very nice, by sessions you mean days, correct?

I had that front wiggle problem on a front warmer as well. The issue is the front hugger on the R. IT is so low it snags, you really need to pull the tension as tight as you can every 3-4".

Have you seen the race plastics i have put on my R? Took my OEM off, already had a very clean low-side and got lucky. The rest will be on (tailside) by Thursday as i take off to Calabogie Friday afternoon!

I would like to see what the tire wear of the SC2 will be at that track.
I am guessing i will not be on the SC2 until next season, I will have to burn 6-7 more rears to use up all my TD fronts. At 6-7 days a front tire it will be 18-21 more track days before i switch away from the TD. I "only" have 18 more days scheduled until the end of the season. :D

I can always attend Homestead in December
 
Yeah, sessions = days.

Hit a timing wall at NYST, have so many 1:41.99 times it is ridiculous, these are four laps I put in yesterday;

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Finally crushed it by the end of yesterday and got into the 1:39s but man I thought I was cursed or something.

Looking forward to meeting up and seeing your plastics. The kit I bought with my bike are actually DP skins, not bad for $500!


Sent from my iPhone using Tapatalk
 
Calderara di Reno said:
Yes that's a proven fact , I gave a set of Dunlops a try but went back to Pirelli .

I have been running full slicks for quite a while Sc1-2 on the front and Sc1-2 on the rear depending on track and temperature.

I got caught out badly in my last race 2months ago while qualifying at Phillip Island . Really cold start to the day, qualyfying was 1st up and the ambient T was about 11 degrees. I know its marginal at low T's to be running slicks, but the trick is to take them out hot and ride as hard as possible to maintain T . I got caught behind a group in the first two laps and got clear track and put in a reasonable time , but T1 at PI is the only corner for 2/3rds of the track that you get onto the right side of the front tire. It is also at its coldest at the end of the straight clocking 280+ kph . Dont want to dribble on to much , but I lost the front at 200 while rolling on the throttle through the apex. It was a good outcome for me but not the bike gear or helmut . First thing I did when I found my bike was to check the T of the front tire V rear tire , stone cold! I know there are lots of tricks and settings to help load the front more to keep it working (maybe those wing things?).

Question i'm pursuing is maybe on those cold days when times are slower , is to run a tire like the SP. I'm sure I could run similar off the pace times , but have a wider safety margin built when it is difficult to generate adequate tire temps.
Click to expand...

Could be worth a try but its still a roadtire. Havent you tried any supersoft compund like the SC-X? Got some leftovers from IDM last year and that was supersticky.
 
Last edited:
TD/SP tires run 33 cold front, 26 cold rear, not to exceed 29 PSI hot off the track. If it does rise above 29, bring the pressure down to 29 and ride another session and re-check immediately off the track. Keep in mind tire carcass flex is what makes the pressure of the tire change and a 1299 has a lot of torque, asks a lot of that rear tire!

These tires have GRIP but no one makes a tire that offers tire life AND grip. 3 days is a LONG time IMHO. I ran a set of SPs on my stock 1299 Superleggera and Aprilia Factory 1100 and they worked GREAT on track. Each had 100 miles of track use and could go for another day or so on the rear and 5-6 days on the front.
 
I agree with the sediments above, these tires do offer a lot of grip. I was told to run 30 rear hot on smooth tracks and really rough tracks like Loudon to run 27. I run 35 hot front on smooth tracks and 32 at Loudon. Tire pressures change with track temps too.
 
@1299rFE, same pressures everywhere. Only time that may change is when it is colder and you can run them a little higher to prevent tearing.

Don't need to overthink it. Let me know if I can help.
 
Zelnik said:
Could be worth a try but its still a roadtire. Havent you tried any supersoft compund like the SC-X? Got some leftovers from IDM last year and that was supersticky.
Click to expand...

Ive been using Sc1 on the front and when track temperatures increase I switch to Sc2 . So if its cold , better going to Sc0 or ScX front ?
 
Not a huge difference except on those hot days when the carcass is starting to flatten the Sc2 holds up and doesnt squirm . Depends on the track and corner but tracks that load the front most guys I've seen are then on Sc2's.
I'll research the Sc0 front ???
Your up in the hot stuff , Hidden Valley ?
 
roadracerx said:
@1299rFE, same pressures everywhere. Only time that may change is when it is colder and you can run them a little higher to prevent tearing.

Don't need to overthink it. Let me know if I can help.
Click to expand...

My Pirelli dealer said it should be less pressure on surfaces that are more ruff and offer less all out grip. New or newer tracks offer tracks offer a ton of grip. IS this false? He is assuming that with less all out grip surfaces that a lower pressure tire will substitute less grip of a track by expanding its surface area.
 
I have been using Sc1 front and Sc2 rear aftter a small issue with the SC2 front tire

[youtube]GNpJcG1wz6U[/youtube]

using SC1 has stopped the above reoccurring.. so far..

i have changed over to Conti track slicks on the 1199 now though and that is super stable on a soft front and medium rear and the rear tire has lasted 4 days so far and realistically could manage a 5th..
 
KarlKani said:
Yeah man I will see you there!
Click to expand...

See you both there most likely. Interested to see how the TD's hold up. I bought my 899 with new Power RS's on it so we will see how those go in their own right. Unless I feel they're really good, I'd probably replace them with TD's if you guys have a favorable experience.

If I show, I have an Arctic White Silk 899 and will be in a red Silverado with black enclosed trailer. I should be there Saturday to help the crew set up.

-Jeff
 
jr1050 said:
See you both there most likely. Interested to see how the TD's hold up. I bought my 899 with new Power RS's on it so we will see how those go in their own right. Unless I feel they're really good, I'd probably replace them with TD's if you guys have a favorable experience.

If I show, I have an Arctic White Silk 899 and will be in a red Silverado with black enclosed trailer. I should be there Saturday to help the crew set up.

-Jeff
Click to expand...

Nice! see you there, ill have my race bike and i plan on bringing FeFe
 
Nathanhu said:
I have been using Sc1 front and Sc2 rear aftter a small issue with the SC2 front tire

[youtube]GNpJcG1wz6U[/youtube]

using SC1 has stopped the above reoccurring.. so far..

i have changed over to Conti track slicks on the 1199 now though and that is super stable on a soft front and medium rear and the rear tire has lasted 4 days so far and realistically could manage a 5th..
Click to expand...

Did you come to a conclusion why you lost the front like that ?
 
i was a little surprised myself, to be honest,

i didnt brake, or change throttle position, the only thing could be the track surface, front tire temp ( i use tire warmers, and they were also fitted etc) or front end suspension set up.

and once i had a chat with a few people about and mentioned that i was using the SC2 front, they all had stories of others with similar tales to tell, and all front end wash out.

what was confusing is that Pirelli seem to have moved the tire grading around a little over the past few years, whereby the SC2 used to be the medium tire, now its not the case.. this has confused a few people i think,

Sc1 fronts from now on, and no issues with the tire choice so far
 
Just on your video, it looked as though you were a metre to the right of the line, maybe a bit dirty out there? Or like my accident the front below operating temp. Or both .
It didnt give you any warning either ! My 2 cents worth, if its a flowing track and not stinking hot Sc1 front for sure. Sc2's need to be worked hard and loaded on the front .
A tire guy was talking to me about Pirelli fronts and said if the track is getting hot and the Sc1front is squirming, up the track pressure 34-35 up to 36-38psi. Or swap to Sc2 and run back to 34-35psi .
 
Calderara di Reno said:
Not a huge difference except on those hot days when the carcass is starting to flatten the Sc2 holds up and doesnt squirm . Depends on the track and corner but tracks that load the front most guys I've seen are then on Sc2's.
I'll research the Sc0 front ???
Your up in the hot stuff , Hidden Valley ?
Click to expand...

I was up there, but in Townsville now. sold the track 1199 last year but still have the 899. But no tracks in FNQ.....:-(
Hidden Valley is such a fun track. PI and maybe Bathurst ahead.

I ran SC0R/SC2 front first couple of meetings, but ended up going to SC1R/SC1F due to stock levels at the time and ive keep this combo as it feels better for me and wear rates.
 
Well after several sets of TD tires i started to push them past their limit.
I have been gradually pacing myself past tires to find limits and the feel of each one when they are pushed past their intended limits.
I ran TD tires all last season and into this season until a couple of weeks ago.
I ran Q4's and Q3 plus tires prior to that.
My realization came to me when i was pressing fast lap after fast lap on the TD's on a hot day.
I was at Club Motosports when the front slipped on a 90 mph apex and then spun the rear tire out sideways when i got on the throttle to save it on exit.

I am now on a SC2 front and ran a SC1 rear.
After a full day of hot lapping the bike on a track day the tire was destroyed on one side, i flipped it and did another track day but noticed it wasnt there at the end of the day either.

I have a race t his weekend, its going to be a HI of 61 all three days with lows over night into the 30's, should i be running a SC2 rear ?
 

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