The uniform price of KAA075TT in specialty stores is 12,388 yuan. KAA075TT is an aluminum alloy frame with three internal speeds and a 9-speed external speed transmission system with a total of 27 speeds. There is also a car called KAC075TT priced at 10,800. The difference between the two is the material. One is a steel frame and the other is an aluminum frame. In fact, there is also KAC045, which is also very good. The price is 8388. It has a straight handlebar and 24 speeds.