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I have successfully sealed one wire wheel on my 400. It is holding 34 lb of air since last Friday. I will picture and document the other wheels as I do them. I have one NOS Motor Wheel that I am going to seal and the rest are all rebuilt either by Vintage Wire Wheel or Dayton Wire Wheel. Buying flaps and tubes (special tubes for radials) just got to be a PITA.

Always remember that wire spoke wheels are dynamic rather than static assemblies. Therefore spokes and nipples move under dynamic conditions and what may seem sealed is suddenly no longer sealed. Special rim liners are a necessity even with tubes, but without them...even moreso... with other steps.

Bottom line, sudden loss of tire pressure at speed can be catastrophic.