Mountain bicycle Chainwheel and crank bicycle spare parts Size 28*38*42t *170MM Material STEEL +PLASTIC QTY/CTN 20SETS/ CTN CTN CBM 0.026 COLOR BLACK XINGTAI QITAI TRADING CO.,LTD is professional trading bicycle and bicycle parts and accessories. Such as mountain bicycle, baby tricycle, kids bicycle, Children bicycle, baby battery car, baby ride on car, baby battery bikes and so on. We have in this business for more than 10 years. We have hundreds of customers from India, U.A.E, Bangladesh,Pakistan, Russia and so on. If you are interesting with our products, pls feel free to contact !!!