... 5.Highly Tear Resistant, high airtightness motorcycle inner tube ModelweightRubber contentPulling strengthTensile strengthAir valve ... one of biggest specialized manufacturer of motorcycle tire, car tire ,truck tire and inner tube, and other rubber ... ,2.50-18 ,3.00-18 ,3.25-18 ,2.50-14 ,2.75-18 ,3.00-17 ... 16 ,90/90-18 ,110/90-16 , 130/90-15 , 4.10-18 ,3.00-23 ... 50-12 , 3.00-8 ,90/90-18 ,3.00-12 , 16x2.125 ,3 ...