自行车freewheel

bicycle freewheel the information of the goods: 1,the size;16-20t 2,the brand:zuanshi 3,the material:steel 4,the quality:superb 5,the price:reasonable the basic information of our company: Tianzheng bicycle CO.,LTD is a main manufacturer for kinds of bike parts and the children bicycle . We always adhere to the priciple of mutual benefit and be responsible to every customer. If you have interest in our goods ,please contact us and we will give you the detailed you are interested in .