Product Description TR15 PROMOTIONAL GOOD QUALITY MOTORCYCLE INNER TUBE VALVE TR15 INNER TUBE VALVE description: 1)with accessories 9002 valve core, CL cap 2)with the first-class automatic manufacturing process, measuring devices, self-designed machines, professional technicians and experienced workers, we can supply the products of high reliability, stability and safety. 3)The own-designed auto-inflating and core installing machine, auto-installing Hex-Nuts Device.Quality Inspection Device and AutoValve Stem Inspection Machine improve the efficiency and decrease the unqualified productions.