Aslong as the ring has a ring shape, it will be fine...
also do not use the blue bumper, it is harder, and with the retrovalve, it can crack the powertube back. only use he softer clear bumper
also do not use the blue bumper, it is harder, and with the retrovalve, it can crack the powertube back. only use he softer clear bumper
........ o wait.. thats a good thing..



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