... :8-9MPA 7.Elongation rate :450-500% 8.durable performance 9. good after sale service and prompt delivery time ABPOUT ... , We can produce many kinds of high quality bicycle tyre and tube .Inlcude the natural rubber tube and butyl ... , FRANCE, GREECE ,SPAIN, UNITED KINGDOM, PORTUGAL, ITALY, GERMANY , RUSSIANAfrica: SOUTH AFRICA , TANZANIA, SUDAN ,ZAMBIA ,NIGERIA, EGYPT , LIBYA, ALGERIA , North Americas ...