12T 14T 15T 16T 18T 20T 22TElectric tricycle 428 single sprocket 530 double chain single row gear 630 motorcycle drive sprocket

Electric tricycle 428 single sprocket 530 double chain single row gear 630 motorcycle drive sprocket 12T 14T 15T 16T 18T 20T 22T Notice 1、Measure the original size before buying, and buy according to the store's product size. 2、The gear is somewhat rusty, and the surface is rough and irregular and not smooth. It is not a quality problem, and the actual product shall prevail. 3、The error of manual measurement of size parameters is within the normal range and is for reference only. The size is subject to the actual product.   Buyers need to know: 1.The price does not include insurance and any taxes of import country, any import charges or fees are buyer's responsibility, thanks for your understanding!2.Due to the time difference between China and other countries, when you are browsing the product in my shop, I may be not online, but please be assured, I w