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If you rip up tires in track play, you can ignore the above and use whatever you like- you probably need to save some cash anyway..
On the RT, BMW doesn't fit the best available tires as OEM. Mine had Bridgestone 020's which were no better than tires from the 70s and 80s- basically total crap with no wet traction, no cold traction, tramlining over everything, etc etc. The worst tire I've had on any of my bikes in the past decade.
Yes, I eat up tires in about 2k, so that's why I don't think I see any more miles out of PRIIIs, the edges are gone long before the center.2,000 miles! Wow! Don't believe I could do that unless I went to the local Harley "Burn Out and Noise" competition...and won. Of course I live in Indiana where the roads are mostly a checkerboard lay out...few curves other than the Interstate cloverleaf. Are you track racing?
Yes, I eat up tires in about 2k, so that's why I don't think I see any more miles out of PRIIIs, the edges are gone long before the center.2,000 miles! Wow! Don't believe I could do that unless I went to the local Harley "Burn Out and Noise" competition...and won. Of course I live in Indiana where the roads are mostly a checkerboard lay out...few curves other than the Interstate cloverleaf. Are you track racing?
Not on the RT! But our riding is similar in the twisties, all twisties, high lean angles, hard braking, hard post apex acceleration, but speed limit in the straights. That's why I'm going to try the Powers. They have the same weight rating as the PRII/IIIs and are much cheaper. Supposed to have better grip, too, but I've never had a traction issue, wet or dry, with the II or III. But I'd like to save some tire money. At 5 sets of tires a year, I feel like I need to hang a collection jar on my bike! (It kills your MPG as well.)
It's the twisties, though. I got something like 7000 miles out of the set I road cross country since a lot of that was straight up "Indiana" style roads. It was essentially a mountain tour: a few days in the Sierras; zip across to the Rockies in a day; a few days Rockies; zip across to the Ozarks in a day and a half; a few days Ozarks; then Smokies; then zip across to Raleigh and home.
Straight up constant speed does wonders for tire life.
I'm mounting the Powers this week (keeping a set of PRIIs on the rack in case I burn these powers too quickly), so I'll report on how long they last. It will be a while, though, as Jan/Feb are not good months to ride in the mountains.
I found some 2 year old threads on tires but nothing recent. Are PR3's still the preferred tire for the RT?
I have 8,800 on the factory tires and the rear is cupping so may need to replace the tires soon.
How would your motorcycle know ?.No one has any of the PR4's yet. So, I might look more into the PR'3s. But, since my front tire still has plenty wear left on it I might have to go with another Metzler Z8 Interact. I have heard it I not good to mix different brands. True?