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About product and suppliers:
        Alibaba.com offers 1,510 carbon rim 50mm products. About 90% of these are bicycle wheel, 2% are car wheels. 

A wide variety of carbon rim 50mm options are available to you, such as 32-40h, 16-22h, and 24-30h. You can also choose from 24-28inches, 18-22inches. As well as from paid samples, free samples. 

There are 1,510 carbon rim 50mm suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of carbon rim 50mm respectively. 

Carbon rim 50mm products are most popular in Western Europe, North America, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 43 with ISO9001, 25 with ISO/TS16949, and 6 with ISO14001 certification.