tony27 Posted February 9, 2010 Report Share Posted February 9, 2010 What is the best way to fit the newer rimtapes with the moulded in valvestem? I've just taken the tyre off 1 of my rear wheels thinking the bead had stretched causing a leak, turns out the rimtape had come out of the groove-both sides at the stem & for about 1/4 of the way around down 1 side. It had been fitted for a while with no problems up til now I'm starting to think my other wheel may have the same problem as it lost 7psi overnight Any suggestions? Quote Link to comment Share on other sites More sharing options...
geebee Posted February 9, 2010 Report Share Posted February 9, 2010 Hi This is my remedy for sealing tubeless tyres. Clean internal of rim carefully with special attention to sealing area. I then apply "No Tubes" thin spoke tape and slightly overlap the well. Then force tape into well with a sharp tool - screw driver And apply " No Tubes" sealant to the edge of tape Apply "No Tubes " sealant around underside of valve Use silicon spray on rubber seal and set seal in place using screwdriver Blow tyre onto rim Add more sealant through valve Replace valve and inflate to required pressure. Note "No Tubes" is a mountain bike product. Quote Link to comment Share on other sites More sharing options...
trialsnutterman Posted February 9, 2010 Report Share Posted February 9, 2010 They do seam to stretch over time and once they have stretched it is nearly impossible to get them to seat properly on the rim, I've tried on a few occasions ended up faffing about for hours trying to get the tape down properly then thought sod it and put a new one on they seam to go on and seat straight away. I used to use grease to help me get them on but I think some types of greases react with the rubber in a bad way so I've started using tyre soap now. Quote Link to comment Share on other sites More sharing options...
copemech Posted February 10, 2010 Report Share Posted February 10, 2010 They do seam to stretch over time and once they have stretched it is nearly impossible to get them to seat properly on the rim, I've tried on a few occasions ended up faffing about for hours trying to get the tape down properly then thought sod it and put a new one on they seam to go on and seat straight away.I used to use grease to help me get them on but I think some types of greases react with the rubber in a bad way so I've started using tyre soap now. Wot he said! If you got one that is cocked up and coming out by itself, trash it! Not worth the grief! Quote Link to comment Share on other sites More sharing options...
copemech Posted February 10, 2010 Report Share Posted February 10, 2010 HiThis is my remedy for sealing tubeless tyres. Clean internal of rim carefully with special attention to sealing area. I then apply "No Tubes" thin spoke tape and slightly overlap the well. Then force tape into well with a sharp tool - screw driver And apply " No Tubes" sealant to the edge of tape Apply "No Tubes " sealant around underside of valve Use silicon spray on rubber seal and set seal in place using screwdriver Blow tyre onto rim Add more sealant through valve Replace valve and inflate to required pressure. Note "No Tubes" is a mountain bike product. Hope it all cleans up well when you need a tire! Not for me. Quote Link to comment Share on other sites More sharing options...
tony27 Posted February 10, 2010 Author Report Share Posted February 10, 2010 It's lucky to be 6 months old & fitted with tyre soap so I'm puzzled as to the cause Quote Link to comment Share on other sites More sharing options...
rockyrider Posted February 10, 2010 Report Share Posted February 10, 2010 It's lucky to be 6 months old & fitted with tyre soap so I'm puzzled as to the cause I'm just wondering if low tire pressure causes a shift. Quote Link to comment Share on other sites More sharing options...
copemech Posted February 11, 2010 Report Share Posted February 11, 2010 I'm just wondering if low tire pressure causes a shift. It should not! Maybe just re-fit it if it seems ok. Lube -er up good an run over the edges with the finger to be sure they are fully in the groove! Quote Link to comment Share on other sites More sharing options...
tony27 Posted February 11, 2010 Author Report Share Posted February 11, 2010 (edited) Looks like it's for the bin then, had come out at the thick section around the valve on both sides. How do you make sure it fits into groove properly? Didn't want to try the "no tubes" stuff as it's almost as dear as a new back tyre at around $135 over here with no guarantee that it'll do anything but make a mess when changing tyres Edited February 11, 2010 by tony27 Quote Link to comment Share on other sites More sharing options...
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