10 of 11 customers found this review helpful.
I've been running S3's for 2 years now, I've had maybe 4 flats and didn't even know about any of them until later when I saw the sealant on the tread or the pressure was low. (I run the red ones now - easier to see the sealant) Tufo knows what they're doing, their sealant works and the mounting tape is simply fantastic. For such a light tubular, the S3 is amazingly tough, the last two I've changed were worn out, the red was completely gone off the tread. The combination of very light weight, high pressure, and a very narrow portion of the tread touching the road, make these blazing fast, plus the security of a glued-on tire, excellent puncture resistance, and Tufo's superb sealant. And even if you do get a bad cut that won't seal, you can actually ride these totaly flat without damaging your carbon rims.
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