good day. we are a specialized tyre manufactory in qingdao city of china,we can offer you following sizes of tyres. truck bias tyre: 825-20 750-20 700-20 825-16 750-16 700-16 650-16 750-15 700-15 650-14 600-14 560-13 550-13 agriculture tyre: 750-20 750-16 650-16 600-16 our brand is long way,and also we can produce with your private brand name. don't hesitate to contact me if you are interested in our products. thanks and best regards, lily msn/email: lily_longway(at)hotmail.com