... machine,and extruding Triangle rubber strip.(3)Calendering------Use friction calenderCord thread get through the calender,and sizing material ... MOTORCYCLE TYRE AND INNER TUBEInsideDiameter8"10"12"14"&15"16"17"18"19"&21"Model300-8300-10300-12225-14225- ... 17,275-18275-21,300-17,300-18,300-16,325-16,325-18,300-19,375-19,410-18,110 ... 18275-21,300-14,300-17,300-18,300-16,325-16,325-18,300-19,375-19,410-18, ...