Fantastic little device that is a must-have if you ride tubeless, IMO. The mount does appear a bit flimsy at first glance, but I've ridden thousands of miles both on my road bike and on my gravel bike with these things and have never lost a plug or had any issue. (I suppose you could use some electrical tape to add a little extra security to the plug/mount if you wanted.) I've had to use the plug only twice in all those miles, which I think speaks to a good tubeless setup, a quality sealant, a good helping of sealant, and good tires. The times I did need to plug, I fixed the punctures straight away and was rolling quickly. I now ride with two plugs/mounts on both my bikes, attached to the bottle cages, so that I can be ready for punctures and otherwise just not have to think about flats. (P.S. I now race cyclocross almost completely on tubeless tires and keep a plug on my CX bike as well, just in case. So far, so good.) My only complaint is these suckers are sure expensive. But for me it's a little extravagance that gives me peace of mind.
I build vintage racing bikes and prefer tan wall tires for the period "look". These tires are at a terrific price point to help keep my projects within a budget, yet they are attractive and perform reasonably well. There are tires that are longer-lasting and provide better grip, but the overall value of these tires is hard to beat.
I've been riding Conti's for about 10 years now; clinchers with tubes. I got occasional flats but, and it may be luck, haven't had a flat now for almost 3 years and 7K miles. It may be that going to wider tires (I'm now on 30's) and lower tire pressures (now at 60 & 65) result in fewer flats? Conti's have a reputation for being hard to mount. This was true on my 21mm internal alloy wheels. But, I am able to mount the 30's on Vision carbon wheels using only my hands. So, it seems the right combination of wheel and tire make a difference. I got about 3K on size 25mm but am getting more than that since upsizing. They roll nicely on the Vision wheels with Silca TPU tubes; low rolling resistance and reliable combo.
I bought the Vision wheels to replace the hookless alloy bricks that came with my Defy. I have no other point of comparison but I love these wheels. Light enough, true, roll nicely. Paired with GP5000 30's and Silca TPU tubes. The 23mm internal width allows the 30's to measure out at 31mm. Very easy to mount the tires (yeah, I know, GP5000's!) by hand; no tools or levers required. I get a nice efficient ride, great cornering, and the bike fairly jumps underneath me when powering up hills. I come close to the rule of 105 with the 30's on these wheels. Great combo IMO.
