... -resisting, aging resistance 5.Highly Tear Resistant, high airtightness motorcycle inner tube ModelweightRubber contentPulling strengthTensile strengthAir valve20*1.95/2.125 240g15%~55 ... -8 ,13x5.00-6 , 12 1/2 x 2 1/2 , 315x55 , 110/50-6.5 ,2.50-8 ,12 1/2 x 1.75 , 9 x 3.50-4 ... , 2.50-10 ,3.50-6 ,3 ...