madbradd Posted November 21, 2015 Posted November 21, 2015 To all the Ghetto Tubeless guys. I'm trying to do a tubeless conversion to a 26" rim - Mavic 117. Tyre seats and everything seals except at the weld. I'm stuck in the middle of nowhere, so limited resources. I have duct tape, insulation tape, rim tape, sealant. I've tried running additional tape (both duct tape and rim tape) perpendicular to the rim, but unfortunately the rim profile with the lip seems a bit too complex to allow for a proper seal like that. Any ideas? My feeling is run with a tube until such time that I can get a smaller tube here, and then run a "slit tube" ghetto tubeless with the tyre between the rim and the bead. in which case.... what size tube do I need?
Skylark Posted November 21, 2015 Posted November 21, 2015 Surely if you double or triple dose the sealant, pump it up really hard and do the Stans shake sequence and pump n repeat that a few times it will seal on that weld?
BarHugger Posted November 21, 2015 Posted November 21, 2015 Surely if you double or triple dose the sealant, pump it up really hard and do the Stans shake sequence and pump n repeat that a few times it will seal on that weld?To keep you sane and your heaven credits intact.......just go with the "thoep and sealent" combination for now. Easier to get the sealent into the tube than trying to repetitively sort out your current problem...... you will be able to ride again shortly, less than 30min required starting from now. The increase in tyre pressure you will be able to live with for now. Ready,set......GO-GO-GO!
madbradd Posted November 21, 2015 Author Posted November 21, 2015 Thanks guys. I have a tube with sealant here. Think I'll do that for now. So what size "tube" for a 26 inch wheel to make it tubeless? 24 or 20?
madbradd Posted November 21, 2015 Author Posted November 21, 2015 Surely if you double or triple dose the sealant, pump it up really hard and do the Stans shake sequence and pump n repeat that a few times it will seal on that weld?It seems to come out too fast to even get traction
Pulse Posted November 21, 2015 Posted November 21, 2015 Apply a bead of glue across the weld line. Ideally glue that doesn't set rock hard, so something with a bit of flex in it.
BarHugger Posted November 21, 2015 Posted November 21, 2015 Apply a bead of glue across the weld line. Ideally glue that doesn't set rock hard, so something with a bit of flex in it.Wanted to suggest that.....maybe something from uncle Pratley....but the OP stated he has limited resources. Just applied the KISS principle for now......so he can ride.
madbradd Posted November 21, 2015 Author Posted November 21, 2015 Apply a bead of glue across the weld line. Ideally glue that doesn't set rock hard, so something with a bit of flex in it.Inside or outside the rim?Inside will make it it less easy for the tape to seal and outside won't take the pressure?
Pulse Posted November 21, 2015 Posted November 21, 2015 Inside...Don't go crazy with the glue. A nice consistent bead.
Pulse Posted November 21, 2015 Posted November 21, 2015 Something like contact should be okay. Of the glue is not excessive the tape should still seal properly
madbradd Posted November 21, 2015 Author Posted November 21, 2015 Wanted to suggest that.....maybe something from uncle Pratley....but the OP stated he has limited resources. Just applied the KISS principle for now......so he can ride.Yup, Pratley WondaFix would work provided I don't mess up the bead on the rim completely. Fortunately I can ride at the moment (tho mainly on the trainer ), my colleague here can't unfortunately.
madbradd Posted November 21, 2015 Author Posted November 21, 2015 Something like contact should be okay. Of the glue is not excessive the tape should still seal properlyShot. Will see if I can get some.
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