700C Cosmic BMX Road Bicycle Aluminium Alloy Wheelset Clincher Center Lock Hub

3.700CCenterlock Disc brake ( use Center lock disc rotor ,Front wheel 9x100mm, Rear wheel 9x135mm). Specifications: The V brake has 20 holes on the front wheel and 20 holes on the rear wheel. Front wheel 100mm，Rear wheel 130mm.

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