bike derailleurs ltwoo at12 1x12s groupset 12 speed shift lever derailleur sunshine cassette 46t 50t 52t kmc x12 chain 104bcd chainring 32-3

welcome to our store,we are devoted to offer products with reasonable wholesale price and fast delivery,our company is professional in e-business,your order will be sent our with 1-3 days after we receive order payment,you will be satisfied with the shopping experience in our store.please check the size information before you place the order,all dimensions are measured by hand,there may be some little deviations.hoping you are understand it,look for long term business with you.