I use to run Explorer Pros all the time with never a problem tubed or tubeless and thought they were great tires. Weights from what I recall was in the neighborhood of 550 grams for size 2.1's. The older German made tires were lighter than the newer asian productions. I went off to try different and lighter tires...Explorer Supersonics at around 450 grams....Nokian NBX lights around 465 grams. Twister Supersonics, etc. All had some sort of problem for me and the search has continued.
I just bought a set of Conti Explorer Pros off Ebay to throw on my single speed and low and behold these tires weight 503 and 504 grams. Pretty decent weight for a fast rolling (great front tire....ok rear tire) tire...especiall a 2.1.
Just a FYI when I have nothing else do to
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