Single Speed Bike Chain Tensioner Cycling Adjustable pulley jockey wheel Derailleur for 1speed folding bike city bicycle

{"cid":"34353","pid":"10883442","name":"Single Speed Bike Chain Tensioner Cycling Adjustable pulley jockey wheel Derailleur for 1speed folding bike city bicycle","img_url":"\/\/img1.ecerimg.com\/f5\/39\/64c6ebe17246\/product\/19769000_s-w400xh400.jpg","attrs":[{"name":"Price","value":"US $5.00-$9.00 \/ Pieces"},{"name":"MOQ","value":"10 PIECES"},{"name":"Delivery Time","value":"15 DAYS"},{"name":"Brand","value":"XYS"}],"action_url":"aHR0cHM6Ly9pbnRmLmJqanNneS5jb20vaW5xdWlyeS9zZW5k","inquiry_src":"ec:onpage:pc:mroom_details","inquiry_url":"aHR0cHM6Ly9pbnRmLmJqanNneS5jb20vaW5xdWlyeS9wb3A=","subject":"I am interested in your Single Speed Bike Chain Tensioner Cycling Adjustable pulley jockey wheel Derailleur for 1speed folding bike city bicycle."}