Kind: Motorbike SprocketDesign Number: DJ20150506001coloration: white ,black,brass, as your wantmaterials: A3 metal 45 steelcertificate: ISO9001/2000thinkness: 6.0m-7.0marea treatment method: Zinc plating…
Error:获取返回内容失败，Your session has expired. Please reauthenticate.How to Use Sprocket for Conversion OptimizationThe sprocket is usually attached to the shaft with…
Crank Size: a hundred and seventy/172.5/175mmChainwheel Enamel: fifty-34/fifty two-36/fifty three-39TUse: Street BicyclesDesign Variety: ULTEGRAGroup: Go well withCrank content: AL 6061-T6Chainrings…