Natural Rubber advantages include greater chunk and tear resistance, lower rolling resistance and cool running. We are constantly adding on to our size range. Please inquire.Every new tyre manufactured by Global Rubber Industries (Pvt.) Ltd. is guaranteed to be free of defects in material and workmanship. If a tyre is defective, upon our examination, we will either repair the tyre or make an allowance against the current list price towards the purchase of a new GRI tyre relative to the unused portion of the tread on the defective tyre. The cost of transportation, service and sales tax already paid will be borne by the owner of the tyre making the claim. This guarantee is for the exclusive benefit of the owner using the tyre and this warrantee is not assignable.