They're definitely good. I use them for longer bike rides. Result: two flats in 3,000 miles, although road crap was significant at times. I think it's very good and they live up to their reputation. Actually, I just bought them again. For the price, they're hard to beat for long bike rides. (Although it's obviously not as fast and agile as say the GP4000, which I ride when I'm not going on bike adventures where reliability is more important than speed and smoothness.)
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