Babyshoe pass tubeless?

[David Stein]

Anyone have any success? I had my bike shop set them up on SL23 tubeless rims, but they won't hold the air, after about 3 or 4 days the tire keeps going flat.

Jan - if you're reading, any info on a tubeless ready Compass 650b x 42 tire?

[Steve Chan]

   I have BSP EL's tubeless on Pacenti SL23s. There was some leakage initially, but after a longer (over 20 mile) ride and pumping it back up to pressure, the sealant plugged up the places where the bead didn't seat perfectly.

   Keep trying and see if you (or the shop) can figure out what's wrong - others have run this setup successfully as well.

   Steve

On Tue, Apr 19, 2016 at 8:57 PM, David Stein <davec...@gmail.com> wrote:

Anyone have any success? I had my bike shop set them up on SL23 tubeless rims, but they won't hold the air, after about 3 or 4 days the tire keeps going flat.

Jan - if you're reading, any info on a tubeless ready Compass 650b x 42 tire?

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[oceano...@gmail.com]

Yup, been running them tubeless with Orange Seal on my Fitz rando for the last 1000 miles or so. Love it. I switched over after I struggled mightily fixing a flat on the road with the Babyshoe + SL23 combo. Seems like they lose a few PSI every week, but they definitely don't go flat (i.e. we're talking like 45 down to 40 or 38).

- Geoff

[Fred Blasdel]

On Tue, Apr 19, 2016 at 8:57 PM, David Stein <davec...@gmail.com> wrote:

Jan - if you're reading, any info on a tubeless ready Compass 650b x 42 tire?

For his product line that would be only a be a change in bead shape, which would make the tires easier to mount with a hand pump, and secure the bead a better once it's mounted, but not change the leakiness.

From your description it sounds like your casing isn't sealed up. If it's a fast enough leak, wetting it with soapy water will form little bubbles. The trick to really sealing it is placing your wheels flat on each side for a while so that the sealant can pool on the sidewalls. A big bowl or round garbage can makes a perfect stand for that.

[Tim Gavin]

I tried setting up Pari-Moto tires tubeless on PL23 rims, with poor results.  Even after six weeks of daily pumping, shaking, and laying on either side, they never stopped leaking through the sidewalls.

The tires would pump up and hold 40 psi at the beginning of a ride, but would bleed down to 20 psi within an hour or so.  Obviously, that's a dangerous situation.  I wiped out once because my front tire rolled over, costing me a skinned knee and a broken brake lever body.  

I replaced that set with a new set of Pari-Motos, set up with tubes.  I've had excellent luck vs flats since then; I just got my first puncture (a small thorn) after ~1700 miles.

Tim

Cedar Rapids, IA

[Michael Mann]

I've been using a hybrid method after conversations with Rob Perks (Ocean Air Cycles). Unlike many others I've had chronic flat issues with Soma B-Lines, Compass Loup-Loup Pass, and Pari-Motos. I now run tubes with Orange Seal in them. Voila, the punctures for the most part seal up and very rarely get any more flats. One slight downside is when I top off the tires every week or two some of the sealant gets into the valve stem or the pump nozzle and can gunk that up. But replacing the valve stems from old tubes is easy and cleaning the pump nozzle only slightly more complicated.

Mike

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Michael Mann

[Jim Bronson]

That's interesting.  I get way less flats with LoupLoups compared to Pari-Moto.  The center tread section is quite a bit thicker to the touch on the LoupLoup.  I'm surprised you lump them in the same durability category.

[Mike Schiller]

I've had mixed results with Babyshoe Pass standard casing. The front set up and held perfect.  Been riding it for 3-4 months with no issues.  The rear sets up fine but leaks through the casing and won't hold air longer then  3-4 hours.  Gave up and went with tubes on the rear.  I rarely get flats. If I did I'd add sealant to the rear tube.  

I'm hoping to try Gravelkings in 650B x 42 next.  The 700C  x 40 version I have set up super easy and holds air well. 

~mike

[peter weigle]

Everyone mentions the tire they are using, but many times the type of sealant they have used is omitted.

It would be helpful to all if each res-ponder mentioned which sealant they are using whether it was successful or not.

The sealants are all so different. I've had great luck with Stan's and poor luck with Bontranger and Blue Seal sealant. 

I have also found 2 layers of Stan's Yellow, or Pacenti's blue rim tape is better than one layer.

And a Rubbermaid trash can rocks as a mounting station.

YMMV

pt  

[Mike Schiller]

I tried Stans the 1st time and tried again a few weeks later with Orangseal... same result  and yes two layers of Stans tape.  is pretty standard for tubeless tires.

 My rims are Velocity A23's and I had to use a CO2 cartridge to set the beads.  

~mike

Carlsbad.

[peter weigle]

Thanks Mike, sorry to hear it's been difficult.

It would also be helpful to everyone on the list if folks revealed where the air or sealant was leaking? Side wall, bead or valve seal. If it isn't obvious try spraying a soapy liquid like Windex or? and or submerge the tire in a tub of water like they used to do at gas stations and watch for the bubbles,, they'll tell the "hole" story. 

I've had good luck running Pari Moto's, Hetre's and Compass tires tubeless on PL and SL 23's, so I'm curious to find why some are having difficulties?

ptr

[Rick Johnson]

Over the years I, and several friends, have gotten some very unlikely-to-ever-seal non-tubeless tires to work quite satisfactorily. One of the funniest examples is a very lightweight MTB tire that when sprayed with soapy water foamed so bad it looked like a time lapse of mold growing. It was leaking from about every crossing of the casing material in the sidewall - literally weeping from every pore - initially holding any pressure for less than half an hour.
But eventually we even got those to seal.

However, it does sometimes take patience and determination. Stan's is best for any tire that is expected to be difficult. Period.

Sometimes it takes double, or triple, the normal recommended amount of sealant. Do the agitate-and-settle-on-the-bucket  routine as many times as you can over an a day or two. When you get to the point that the tire holds at least half it's pressure for a few hours start riding it for short periods. Keep putting air in it. If it's flat the next day - pump it up and ride it again. And again.

It's a rare combination that won't eventually seal pretty well completely after 6-10 repeats of this.

Rick Johnson
Bend, Oregon

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Two, it's possible, but it's not worth doing. 
Three, I said it was a good idea all along.

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