... tube 2,size:3.00-18 3,strong tear strength 4,good air-tightness 5,long mileages Description of goods: Butyl motorcycle inner tubesize:3 ... :18%-35%3,OEM accepted4,samples available5,ISO9001 INMETRO SONCAP,CIQ...we have Natural rubber and butyl rubber inner tube of motorcycle ... Bicycle tire,trucks tyre and so on.sizes of Motorcycle inner tube are as below:Size/Specifications(Natural /Butyl Rubber)Valve ...