butyl Bicycle tire tube 1.A/V.E/V.D/V /F/V ... & competitive price 3.Manufacture directly 4.OEM butyl Bicycle tire tube (rubber tube and butyl tube ) 1. A/V , E/V D/V ... main market Asia :IRAN, AFGHANISTAN, PAKISTAN ,MALAYSIA,INDONESIA ,PHILIPPINES ,JAPAN, TAIWAN,RUSSIAN Europe : SWEDEN, FINLAND,BELGIUM, UKRAINE, FRANCE, GREECE ,SPAIN, ... ’s requirement Minimum order : 2000pcs Quality grade :A Tire tube