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I don’t know about PR2s, but have had decent luck with 3s and 4s. Are the 2s still made or have they been sitting around for awhile? Age doesn’t do good things to rubber.
I LOVED pR2’s on my Sport, Bob. They were the perfect blend of performance and longevity.
After years of Metzelers, I put a set of PR4 GTs on my R1150R, which weighs a little bit less than 500 lbs with an aftermarket can. They were by far the WORST performing tires I have ever experienced — my good, even handling roadster was transformed into a two-wheeled garbage truck. It was so bad that I initially thought there was something wrong with the bike’s suspension or running gear. Now I’m back on Metzeler Z8 Interacts and all is well again. It may be just the GT version, but these tires are absolutely unsuitable for motorcycles of this weight.
These shots are @ 17,000 k on a Norge with 85 kg rider and 50 kg of luggage.They went on to achieve 20,500 k...That’ll do me !
Diff topic ..... any pics of your new 12S with 40 l bags?Bob