Hojffuue is a brand that has already been registered. Only authorised sellers can sell products under Hojffuuue. Hojffuue offers you high-quality products and best customer service. Specification:Color:BlackMaterial:Aluminum AlloySize:47x14mmPackage Contents:1 x Bicycle Chain HolderOnly the above package content, other products are not included. Note:Due to the light and screen difference, the items color may be slightly different from the pictures. The allowed measurement error is +/- 1-3 cm.