made of alloy,fit for wheel 12'' 10''.and we can produce it by your samples. product list as follow: 1.engine parts. 2.alloy cnc throttle. 3.alloy handlebar. 4.stainless steel frame. ... N.and so on. you can search some keywords like "jjc" and "pitbike" to find out our website. We await with keen interest your immediate reply. Wish to make a long-term and continued business realationship with you.