bike derailleurs 9 speed mtb groupset 9s 11-36/40/42t k7 cassette ltwoo a5 shifter rear derailleur x9 chain mountain 1x9s bicycle parts

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.