sealed bearing 6902 wheel hub 15x28x7 ceramic 305520580 MV-TEK Spare parts Sealed bearing 6902 ceramic, spare wheel hub CERAMIC - bearing with ceramic balls able to guarantee maximum resistance and smoothness, produced for competitions at the highest levels Sealed bearing 6902 ceramic, wheel hub spare part CERAMIC - bearing with ceramic ball bearings able to guarantee maximum resistance and fluidity, product for competitions at the highest levels All products sold by Ridewill are NEW and have a guarantee, unless otherwise specified, of: 24 months for Individuals (Tax receipt) for lack of conformity according to the law. 12 months for companies (Accompanying Invoice with VAT number) in accordance with the law All products sold by Ridewill are NEW and have warranty unless otherwi.