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About product and suppliers:
        Alibaba.com offers 1,659 carbon rim 50mm products. About 88% of these are bicycle wheel, 2% are car wheels. 

A wide variety of carbon rim 50mm options are available to you, such as paid samples, free samples. 

There are 1,659 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 41 with ISO9001, 26 with ISO/TS16949, and 6 with ISO14001 certification.