I've just had my first flat since going tubeless two years and 3000 miles ago. The tires are newer Gravel King SS 38mm skinwall. The puncture was a clean line of about 1mm. The sealant is Doc Blue. The sealant did it's job, allowing me to ride home, but the tire kept leaking down overnight until I took it off and patched it. From the look of things, the sealant was adhering nicely to the tread but not at all to the fabric liner. My questions for more experienced riders are:
- Do blackwall tires seal better in general? - Are some sealants better for skinwalls than others?
