Set ruote freno a disco 700C 4550 fibra di carbonio bici da strada clincher tubeless HG MS XDR

Base: 8-12 speed 7075 aluminum alloy HG/MS/XD planetary ratchet 54T. HG installation (8-10 speed installation needs to add a gasket,11/12 speed flywheel installation directly), 7 speed flying needs to add 3 gaskets.

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