Facebook Twitter LinkedIn Pinterest Bluesky Threads R Help please – tightened valve stem and tubeless tire nipples started bubbling byu/y111168 inbikewrench by y111168 Bicycling Bike Bike Repair Biking Cycling Repair
chorelax on November 28, 2025 4:29 am You may have unseated the valve allowing sealant into the inner rim channel. Pull the tire, check the valve, check the rim tape.
HugePost1439 on November 28, 2025 5:17 am In case of carbon rims, you are lucky the spoke nipple connection leaks. Sometimes it doesn’t and then it’s boom! Rim explodes when pumping the tyre.
5 Comments
Rim tape failed, take it apart and retape the rim
Is there rim tape?
You may have unseated the valve allowing sealant into the inner rim channel. Pull the tire, check the valve, check the rim tape.
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In case of carbon rims, you are lucky the spoke nipple connection leaks. Sometimes it doesn’t and then it’s boom! Rim explodes when pumping the tyre.