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cyclocross Saga update; went to the LBS last night, bought a Hutchinson Bulldog for the Alpha 340 rear wheel. (Thought I'd try one first). The tire went on perfectly; a good snug fit, difficult but certainly possible to put on. Never used a tire iron except for the very last maybe 5 inches that I couldn't fold over by hand on one side. Pumped the tire up without any sealant, and it held air. That's always a great sign. I couldn't get the bead to pop though, and I could see (by looking at the sidewall) that about 1/4 of the tire was still not seated. The max tire pressure on the sidewall of the tire is labeled as 85PSI, so I pumped it up to 80PSI to get the bead to pop. BOOM! Bead broke, tire exploded, and I sent a few trick-or-treaters in a flying panic.
The tire is shot, the bead is clearly deformed and not repairable. I'm going to take the tire back to the LBS and see if it's a warranty issue. Clearly next time, this tire will need soap. Ever tried Vaseline on the bead?
2 years, 1 month ago on Going Tubeless for Cyclocross – Avoiding the Burp, Choosing the Best Tires, and a DIY System (Updated, Part III)
cyclocross Well heck, you guys have been great. I'm not a big writer-inner, but this has been helpful. I'll stay tuned.
stormH2Odesign Perfect. Thank you much. I was actually eyeing the Vittoria Cross XN Pro with envy this weekend because of it's open tread pattern, but it looks almost identical to the Clement LAS. I've heard conflicting information about getting the Michelin Mud 2's to run tubeless, and I had trouble getting the Michelin Jet to go tubeless on the Stans 355's, so I gave up on Michelin. I will consider using them again though, because I always liked that tire.
Thanks again for your help.
stormH2Odesign Hi, and thanks for the rapid reply. I do have access to a 10hp air compressor, and I do always remove my valve cores. In this case I did not soap the bead, but I don't believe that is the problem. To be more specific, the tire (Maxxis Raze, which I see is listed above as a known tire to NOT work... except again it worked fine with the 355's) goes on very easily and I am able to get the tire to take air pressure, even with a floor pump. The problem is, the bead becomes unseated at normal running pressures (35-55psi). Once, I had a fully sealed tire at about 50psi that had been sitting still for approximately 15 minutes undisturbed (wheel laying next to a friend of mine) and the tire just unexpectedly blew off (and blew Stans juice all over a new car and my friend, which was actually kind of comical). Another time, I was 2 minutes into a CX race and the rear tire just blew off completely. This was disconcerting, because I had been riding the same set up through car traffic and such. Anyway, it would seem like either the 340s are a slightly smaller diameter than the 355's, or the bead socket is not as "grippy", or lacks the ability to lock the bead in as well as the 355 rims did.
Anyway, so yes, I need new tires. But now I don't know what to get, because the Hutchinsons sound like a poor fit.
From the list above:
-Hutchinson Bulldog (non-carbon) ..........they don't make these anymore (in non-carbon)
-Hutchinson Piranha (non-carbon) ..........they don't make these anymore either
-IRD CrossFire ..........these are a viable option, except only 32mm
-Schwalbe Racing Ralph ...........these seem the best option
-Ritchey Excavader ..............these seem stiff, cheap, low TPI
-Panaracer Cinder-X .........same as IRD, hard to get?
-Specialized The Captain ...........this is not a cyclocross tire, it's a mtb tire, don't know why it's listed
I am a long-time user and believer in the Stans 355 rims running tubeless. I recently purchased a set of the Alpha 340 wheels and have been having trouble with getting the tires to seal. Mind you, the tires I'm putting on the Alpha 340s are exactly the same tires I had on the Stans 355's, running tubeless with no problems. Hence, I have been doing my internet searches and came across this article and it's posts. It had not occurred to me until now that the problem could be the Alpha 340 rims themselves. So it sounds like I may have some lunkers on my hands. Are there ANY tires that people are satisfied with on the Stans Alpha 340s? The reports of the Hutchinson tires seem mixed; either you can't get them on the rim, or you can but you ruin them in the process? I assume the Stans Raven CX tire works, but I feel a little short-changed if that's the only tire I can use with these new wheels. Thanks for your help!