trustyrusty Posted May 3, 2015 Posted May 3, 2015 Hi guys I have a set of Fulcrum Red Metal 3 wheels for my mountain bike - the front one I popped on a tyre (UST), inflated and it is holding perfectly. The rear tyre on the other hand... Well there's air leaking through the water drain hole (as seen in this topic http://forums.mtbr.com/wheels-tires/hole-drilled-my-new-rim-590391.html). I've applied a rim strip but to no avail. Any suggestions?
PhilipV Posted May 3, 2015 Posted May 3, 2015 If it is leaking through the rim, stick some proper rim tape on it, and make sure it seals all the spoke holes and valve hole.
trustyrusty Posted May 3, 2015 Author Posted May 3, 2015 It is a UST rim, so there's no spoke holes. I did put on some rim tape but it is still doing it through the drain hole. I checked - everything is fine at the valve as the air isn't leaking through there. I just wonder if some has experienced something similar.
Dusty Posted May 4, 2015 Posted May 4, 2015 That hole cannot be your leak if it is a tubeless rim. You should not need rim tape either. Have a look for a bad seal elsewhere.
trustyrusty Posted May 4, 2015 Author Posted May 4, 2015 That hole cannot be your leak if it is a tubeless rim. You should not need rim tape either. Have a look for a bad seal elsewhere. I don't think it is the hole either but that's where the air is coming through - how would the rim be repaired? Sealant or welding? I just want to know what I should let myself in for.
David Marshall Posted May 4, 2015 Posted May 4, 2015 If the rim is not damaged it must be leaking through the valve hole. Remove the valve and check that the hole edges are smooth and refit.
trustyrusty Posted May 4, 2015 Author Posted May 4, 2015 Well I don't see any damage to the rim itself, except a few scratches here and there. I have placed a new valve in, but it leaks air there first (unless I tighten it really tight) then it leaks through the hole on the side. If it is the valve hole, how difficult will a repair be?
Rocket-Boy Posted May 4, 2015 Posted May 4, 2015 I developed a valve leak on the weekend, its not the same rims but damn annoying when it happens.Retaped, changed valve and it just would not seal. Ended up putting a tube in for Yesterday's ride.Going to drill it out slightly tonight to get a better valve fit.
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